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<!-- DFIN ActiveDisclosure(SM) XBRL Linkbase Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date      : 2021-05-13T16:08:53.9439205+00:00 -->
<!-- Version            : 5.0.1.615 -->
<!-- Package ID         : a0339243a6ee486f834664f9ec20647e -->
<!-- Copyright (c) 2021 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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    <link:label xml:lang="en-US" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Central Index Key</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_AvailableForSaleSecuritiesAssetsHeldForSale" xlink:type="locator" xlink:label="ston_AvailableForSaleSecuritiesAssetsHeldForSale" />
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Available for sale securities assets held for sale.</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSaleAccumulatedGrossUnrealizedGainBeforeTax" xlink:type="locator" xlink:label="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSaleAccumulatedGrossUnrealizedGainBeforeTax" />
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSaleAccumulatedGrossUnrealizedGainBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Available for sale securities excluding assets held for sale accumulated gross unrealized gain before tax.</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSaleAccumulatedGrossUnrealizedLossBeforeTax" xlink:type="locator" xlink:label="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSaleAccumulatedGrossUnrealizedLossBeforeTax" />
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    <link:loc xlink:href="ston-20210331.xsd#ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSale" xlink:type="locator" xlink:label="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSale" />
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Available for sale securities excluding assets held for sale.</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" xlink:type="locator" xlink:label="ston_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" />
    <link:label xml:lang="en-US" xlink:label="ston_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Lessee operating lease liability payments due after year four.</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_FinanceLeaseLiabilityPaymentsDueAfterYearFour" xlink:type="locator" xlink:label="ston_FinanceLeaseLiabilityPaymentsDueAfterYearFour" />
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    <link:loc xlink:href="ston-20210331.xsd#ston_CashAndCashEquivalentsAtCarryingValueExcludingRestrictedCash" xlink:type="locator" xlink:label="ston_CashAndCashEquivalentsAtCarryingValueExcludingRestrictedCash" />
    <link:label xml:lang="en-US" xlink:label="ston_CashAndCashEquivalentsAtCarryingValueExcludingRestrictedCash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash and cash equivalents at carrying value excluding restricted cash.</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_CemeteryProperty" xlink:type="locator" xlink:label="ston_CemeteryProperty" />
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryProperty_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Cemetery property consists of developed and undeveloped cemetery property and constructed mausoleum crypts and lawn crypts and is valued at cost, which is not in excess of market.</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_MerchandiseTrusts" xlink:type="locator" xlink:label="ston_MerchandiseTrusts" />
    <link:label xml:lang="en-US" xlink:label="ston_MerchandiseTrusts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The aggregate fair value of investments placed into merchandise trusts. Pursuant to state law, a portion of the proceeds from pre-need sales of merchandise and services is placed in the trust until the requirements for releasing the principal are met, which is generally the delivery of merchandise or performance of services. All investment earnings related to merchandise trust assets are deferred until the associated merchandise is delivered or the services are performed.</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_PerpetualCareTrusts" xlink:type="locator" xlink:label="ston_PerpetualCareTrusts" />
    <link:label xml:lang="en-US" xlink:label="ston_PerpetualCareTrusts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The aggregate fair value of investments placed into perpetual care trusts. Funds were derived from a portion of the proceeds of the sale of cemetery property that was paid into the perpetual care trusts pursuant to state law. The principal must remain in the trust into perpetuity while earnings may be released and used to defray cemetery maintenance costs.</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_CemeteryPropertyAndEquipment" xlink:type="locator" xlink:label="ston_CemeteryPropertyAndEquipment" />
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryPropertyAndEquipment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Cemetery Property and Equipment</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_InvestmentsInAffiliatesAndDueFromAffiliatesNoncurrent" xlink:type="locator" xlink:label="ston_InvestmentsInAffiliatesAndDueFromAffiliatesNoncurrent" />
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    <link:loc xlink:href="ston-20210331.xsd#ston_CostsAndExpensesExcludingOtherLosses" xlink:type="locator" xlink:label="ston_CostsAndExpensesExcludingOtherLosses" />
    <link:label xml:lang="en-US" xlink:label="ston_CostsAndExpensesExcludingOtherLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Costs and expenses excluding other losses.</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_PaymentsToAcquireBusinessesAndCapitalImprovements" xlink:type="locator" xlink:label="ston_PaymentsToAcquireBusinessesAndCapitalImprovements" />
    <link:label xml:lang="en-US" xlink:label="ston_PaymentsToAcquireBusinessesAndCapitalImprovements_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Payments to Acquire Businesses and Capital Improvements</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_PrincipalPaymentOnFinanceLeases" xlink:type="locator" xlink:label="ston_PrincipalPaymentOnFinanceLeases" />
    <link:label xml:lang="en-US" xlink:label="ston_PrincipalPaymentOnFinanceLeases_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Principal payment on finance leases.</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_CorporateOverheadExpense" xlink:type="locator" xlink:label="ston_CorporateOverheadExpense" />
    <link:label xml:lang="en-US" xlink:label="ston_CorporateOverheadExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The aggregate of total expenses of administering the affairs of our corporate office, including various home office selling and administrative expenses that are not allocable to other operating segments.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_CorporateOverheadExpense" xlink:to="ston_CorporateOverheadExpense_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_CorporateDepreciationAndAmortization" xlink:type="locator" xlink:label="ston_CorporateDepreciationAndAmortization" />
    <link:label xml:lang="en-US" xlink:label="ston_CorporateDepreciationAndAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Corporate Depreciation And Amortization</link:label>
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    <link:loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_CoverAbstract" xlink:type="locator" xlink:label="dei_CoverAbstract" />
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    <link:label xml:lang="en-US" xlink:label="dei_DocumentType_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Document Type</link:label>
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    <link:label xml:lang="en-US" xlink:label="dei_DocumentType_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_AmendmentFlag" xlink:type="locator" xlink:label="dei_AmendmentFlag" />
    <link:label xml:lang="en-US" xlink:label="dei_AmendmentFlag_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Amendment Flag</link:label>
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    <link:label xml:lang="en-US" xlink:label="dei_AmendmentFlag_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentPeriodEndDate" xlink:type="locator" xlink:label="dei_DocumentPeriodEndDate" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Period End Date</link:label>
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    <link:label xml:lang="en-US" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityRegistrantName" xlink:type="locator" xlink:label="dei_EntityRegistrantName" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityRegistrantName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Registrant Name</link:label>
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    <link:label xml:lang="en-US" xlink:label="dei_EntityRegistrantName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_TradingSymbol" xlink:type="locator" xlink:label="dei_TradingSymbol" />
    <link:label xml:lang="en-US" xlink:label="dei_TradingSymbol_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading Symbol</link:label>
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    <link:label xml:lang="en-US" xlink:label="dei_TradingSymbol_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:type="locator" xlink:label="dei_CurrentFiscalYearEndDate" />
    <link:label xml:lang="en-US" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current Fiscal Year End Date</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableNetCurrent" xlink:to="us-gaap_AccountsReceivableNetCurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable Net Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PrepaidExpenseCurrent" xlink:type="locator" xlink:label="us-gaap_PrepaidExpenseCurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrepaidExpenseCurrent" xlink:to="us-gaap_PrepaidExpenseCurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent" xlink:type="locator" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets held for sale</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent" xlink:to="us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Property Plant And Equipment Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:type="locator" xlink:label="us-gaap_OtherAssetsCurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other current assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsCurrent" xlink:to="us-gaap_OtherAssetsCurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsCurrent" xlink:type="locator" xlink:label="us-gaap_AssetsCurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Assets Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableNetNoncurrent" xlink:type="locator" xlink:label="us-gaap_AccountsReceivableNetNoncurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsReceivableNetNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term accounts receivable, net of allowance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableNetNoncurrent" xlink:to="us-gaap_AccountsReceivableNetNoncurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsReceivableNetNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable Net Noncurrent</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryProperty_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cemetery property</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryProperty_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cemetery Property</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment, net of accumulated depreciation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment Net</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_MerchandiseTrusts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Merchandise trusts, restricted, at fair value</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_MerchandiseTrusts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Merchandise Trusts</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PerpetualCareTrusts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Perpetual care trusts, restricted, at fair value</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PerpetualCareTrusts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Perpetual Care Trusts</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredCosts" xlink:type="locator" xlink:label="us-gaap_DeferredCosts" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred selling and obtaining costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCosts" xlink:to="us-gaap_DeferredCosts_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet" xlink:type="locator" xlink:label="us-gaap_DeferredIncomeTaxAssetsNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredIncomeTaxAssetsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxAssetsNet" xlink:to="us-gaap_DeferredIncomeTaxAssetsNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredIncomeTaxAssetsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Assets Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:type="locator" xlink:label="us-gaap_OtherAssetsNoncurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsNoncurrent" xlink:to="us-gaap_OtherAssetsNoncurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Assets" xlink:type="locator" xlink:label="us-gaap_Assets" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_Assets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_Assets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:type="locator" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities and Stockholders&apos; Equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities And Stockholders Equity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:type="locator" xlink:label="us-gaap_LiabilitiesCurrentAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current liabilities:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities Current [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:type="locator" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable and accrued liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable And Accrued Liabilities Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:type="locator" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities held for sale</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:to="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities Of Disposal Group Including Discontinued Operation Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:type="locator" xlink:label="us-gaap_InterestPayableCurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InterestPayableCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPayableCurrent" xlink:to="us-gaap_InterestPayableCurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InterestPayableCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest Payable Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:type="locator" xlink:label="us-gaap_LongTermDebtCurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current portion, long-term debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtCurrent" xlink:to="us-gaap_LongTermDebtCurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:type="locator" xlink:label="us-gaap_LiabilitiesCurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:type="locator" xlink:label="us-gaap_LongTermDebtNoncurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term debt, net of deferred financing costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtNoncurrent" xlink:to="us-gaap_LongTermDebtNoncurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerLiabilityNoncurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractWithCustomerLiabilityNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred revenues</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractWithCustomerLiabilityNoncurrent" xlink:to="us-gaap_ContractWithCustomerLiabilityNoncurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractWithCustomerLiabilityNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contract With Customer Liability Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:type="locator" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:to="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Liabilities Net</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_TrustCorpusLiabilitiesNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Perpetual care trust corpus</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_TrustCorpusLiabilitiesNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Trust Corpus Liabilities Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:type="locator" xlink:label="us-gaap_OtherLiabilitiesNoncurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other long-term liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilitiesNoncurrent" xlink:to="us-gaap_OtherLiabilitiesNoncurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Liabilities" xlink:type="locator" xlink:label="us-gaap_Liabilities" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_Liabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_Liabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingencies" xlink:to="us-gaap_CommitmentsAndContingencies_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commitments And Contingencies</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:type="locator" xlink:label="us-gaap_StockholdersEquityAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholders&apos; equity:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders Equity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockValue" xlink:type="locator" xlink:label="us-gaap_CommonStockValue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, par value $0.01 per share, 200,000,000 shares authorized, 117,918,016 and 117,871,141 shares issued and outstanding, respectively</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockValue" xlink:to="us-gaap_CommonStockValue_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:type="locator" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Paid-in capital in excess of par value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalCommonStock" xlink:to="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid In Capital Common Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:type="locator" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated deficit</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings Accumulated Deficit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity" xlink:type="locator" xlink:label="us-gaap_StockholdersEquity" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total stockholders&apos; equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders Equity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:type="locator" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities and stockholders&apos; equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities And Stockholders Equity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:type="locator" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, par value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Par Or Stated Value Per Share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:type="locator" xlink:label="us-gaap_CommonStockSharesAuthorized" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares authorized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Shares Authorized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:type="locator" xlink:label="us-gaap_CommonStockSharesIssued" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares issued</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Shares Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:type="locator" xlink:label="us-gaap_CommonStockSharesOutstanding" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Shares Outstanding</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_RecurringCostsAndExpenses" xlink:type="locator" xlink:label="ston_RecurringCostsAndExpenses" />
    <link:label xml:lang="en-US" xlink:label="ston_RecurringCostsAndExpenses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Recurring costs and expenses.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_RecurringCostsAndExpenses" xlink:to="ston_RecurringCostsAndExpenses_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_DepreciationAndAmortizationNetOfDiscontinuedOperationsAdjustments" xlink:type="locator" xlink:label="ston_DepreciationAndAmortizationNetOfDiscontinuedOperationsAdjustments" />
    <link:label xml:lang="en-US" xlink:label="ston_DepreciationAndAmortizationNetOfDiscontinuedOperationsAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Depreciation and amortization net of discontinued operations adjustments.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DepreciationAndAmortizationNetOfDiscontinuedOperationsAdjustments" xlink:to="ston_DepreciationAndAmortizationNetOfDiscontinuedOperationsAdjustments_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:type="locator" xlink:label="us-gaap_IncomeStatementAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementAbstract" xlink:to="us-gaap_IncomeStatementAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:type="locator" xlink:label="us-gaap_StatementBusinessSegmentsAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segments</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement Business Segments [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentDomain" xlink:type="locator" xlink:label="us-gaap_SegmentDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SegmentDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentDomain" xlink:to="us-gaap_SegmentDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SegmentDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Segment [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_CemeteryMember" xlink:type="locator" xlink:label="ston_CemeteryMember" />
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Cemetery</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_CemeteryMember" xlink:to="ston_CemeteryMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cemetery</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cemetery [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_FuneralHomeMember" xlink:type="locator" xlink:label="ston_FuneralHomeMember" />
    <link:label xml:lang="en-US" xlink:label="ston_FuneralHomeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Funeral Home</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_FuneralHomeMember" xlink:to="ston_FuneralHomeMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_FuneralHomeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Funeral Home</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_FuneralHomeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Funeral Home [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductOrServiceAxis" xlink:type="locator" xlink:label="srt_ProductOrServiceAxis" />
    <link:label xml:lang="en-US" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product and Service</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ProductOrServiceAxis" xlink:to="srt_ProductOrServiceAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Product Or Service [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductsAndServicesDomain" xlink:type="locator" xlink:label="srt_ProductsAndServicesDomain" />
    <link:label xml:lang="en-US" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product and Service</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ProductsAndServicesDomain" xlink:to="srt_ProductsAndServicesDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Products And Services [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_IntermentsMember" xlink:type="locator" xlink:label="ston_IntermentsMember" />
    <link:label xml:lang="en-US" xlink:label="ston_IntermentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Interments member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_IntermentsMember" xlink:to="ston_IntermentsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_IntermentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interments</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_IntermentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interments [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProductMember" xlink:type="locator" xlink:label="us-gaap_ProductMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProductMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Merchandise</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductMember" xlink:to="us-gaap_ProductMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProductMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Product [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ServiceMember" xlink:type="locator" xlink:label="us-gaap_ServiceMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ServiceMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Services</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ServiceMember" xlink:to="us-gaap_ServiceMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ServiceMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Service [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProductAndServiceOtherMember" xlink:type="locator" xlink:label="us-gaap_ProductAndServiceOtherMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProductAndServiceOtherMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment and other</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductAndServiceOtherMember" xlink:to="us-gaap_ProductAndServiceOtherMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProductAndServiceOtherMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Product And Service Other [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Line Items]</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_RevenuesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenues:</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average number of common shares outstanding - basic</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number Of Shares Outstanding Basic</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:type="locator" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average number of common shares outstanding - diluted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number Of Diluted Shares Outstanding</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:type="locator" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement Of Stockholders Equity [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="us-gaap_StatementOfStockholdersEquityAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:type="locator" xlink:label="us-gaap_StatementEquityComponentsAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Components</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement Equity Components [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityComponentDomain" xlink:type="locator" xlink:label="us-gaap_EquityComponentDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Component</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_EquityComponentDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Equity Component [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockMember" xlink:type="locator" xlink:label="us-gaap_CommonStockMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="us-gaap_CommonStockMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:type="locator" xlink:label="us-gaap_AdditionalPaidInCapitalMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Paid-in Capital in Excess of Par Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalMember" xlink:to="us-gaap_AdditionalPaidInCapitalMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid In Capital [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:type="locator" xlink:label="us-gaap_RetainedEarningsMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">(Accumulated Deficit) Retained Earnings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsMember" xlink:to="us-gaap_RetainedEarningsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharesOutstanding" xlink:type="locator" xlink:label="us-gaap_SharesOutstanding" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesOutstanding" xlink:to="us-gaap_SharesOutstanding_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Shares Outstanding</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock awards under incentive plans</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:to="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value Share Based Compensation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock awards under incentive plans (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:to="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Shares Share Based Compensation</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income (loss)</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance (in shares)</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_CostOfLotsSold" xlink:type="locator" xlink:label="ston_CostOfLotsSold" />
    <link:label xml:lang="en-US" xlink:label="ston_CostOfLotsSold_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The expense recognized in the current period that is the historical cost of the underlying cemetery property for sales of cemetery property that meet the criteria for revenue recognition in the current period.</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_IncreaseDecreaseInDeferredSellingAndObtainingCosts" xlink:type="locator" xlink:label="ston_IncreaseDecreaseInDeferredSellingAndObtainingCosts" />
    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInDeferredSellingAndObtainingCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The increase (decrease) during the reporting period in deferred selling and obtaining costs which are deferred direct costs related to obtaining new and pre-need cemetery and funeral business.</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_IncreaseDecreaseInAccountsPayableAndOtherLiabilities" xlink:type="locator" xlink:label="ston_IncreaseDecreaseInAccountsPayableAndOtherLiabilities" />
    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInAccountsPayableAndOtherLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase Decrease In Accounts Payable And Other Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_IncreaseDecreaseInAccountsPayableAndOtherLiabilities" xlink:to="ston_IncreaseDecreaseInAccountsPayableAndOtherLiabilities_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_AccruedPaidInKindInterestOnSeniorSecuredNotes" xlink:type="locator" xlink:label="ston_AccruedPaidInKindInterestOnSeniorSecuredNotes" />
    <link:label xml:lang="en-US" xlink:label="ston_AccruedPaidInKindInterestOnSeniorSecuredNotes_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued paid in kind interest on senior secured notes</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AccruedPaidInKindInterestOnSeniorSecuredNotes" xlink:to="ston_AccruedPaidInKindInterestOnSeniorSecuredNotes_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract" xlink:type="locator" xlink:label="ston_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract" />
    <link:label xml:lang="en-US" xlink:label="ston_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash paid for amounts included in the measurement of lease liabilities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract" xlink:to="ston_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:type="locator" xlink:label="us-gaap_StatementOfCashFlowsAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement Of Cash Flows [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementOfCashFlowsAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows From Operating Activities:</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided By Used In Operating Activities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net (loss) income</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities:</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CostOfLotsSold_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of lots sold</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CostOfLotsSold_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cost Of Lots Sold</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:type="locator" xlink:label="us-gaap_DepreciationAndAmortization" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation and amortization</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation And Amortization</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:type="locator" xlink:label="us-gaap_ProvisionForDoubtfulAccounts" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provision for bad debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProvisionForDoubtfulAccounts" xlink:to="us-gaap_ProvisionForDoubtfulAccounts_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Provision For Doubtful Accounts</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensation" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-cash compensation expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherNoncashExpense" xlink:type="locator" xlink:label="us-gaap_OtherNoncashExpense" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherNoncashExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-cash interest expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNoncashExpense" xlink:to="us-gaap_OtherNoncashExpense_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherNoncashExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Noncash Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainLossOnSaleOfBusiness" xlink:type="locator" xlink:label="us-gaap_GainLossOnSaleOfBusiness" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_GainLossOnSaleOfBusiness_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gain on sale of businesses</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_GainLossOnSaleOfBusiness_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Gain Loss On Sale Of Business</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Merchandise trust fund</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other assets</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerLiability" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Deferred taxes, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" xlink:to="us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_lbl" />
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    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInAccountsPayableAndOtherLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payables and other liabilities</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided By Used In Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows From Investing Activities:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided By Used In Investing Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:type="locator" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Cash paid for capital expenditures</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireProductiveAssets" xlink:to="us-gaap_PaymentsToAcquireProductiveAssets_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Payments To Acquire Productive Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:type="locator" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from divestitures</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:to="us-gaap_ProceedsFromDivestitureOfBusinesses_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Divestiture Of Businesses</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash (used in) provided by investing activities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided By Used In Investing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows From Financing Activities:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided By Used In Financing Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfDebt" xlink:type="locator" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from borrowings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfDebt" xlink:to="us-gaap_ProceedsFromIssuanceOfDebt_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Issuance Of Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:type="locator" xlink:label="us-gaap_RepaymentsOfLongTermDebt" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayments of debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfLongTermDebt" xlink:to="us-gaap_RepaymentsOfLongTermDebt_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Repayments Of Long Term Debt</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PrincipalPaymentOnFinanceLeases_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Principal payment on finance leases</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PrincipalPaymentOnFinanceLeases_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Principal Payment On Finance Leases</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsOfFinancingCosts" xlink:type="locator" xlink:label="us-gaap_PaymentsOfFinancingCosts" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsOfFinancingCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Cost of financing activities</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsOfFinancingCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Payments Of Financing Costs</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided (used in) by financing activities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided By Used In Financing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:type="locator" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestPaidNet" xlink:type="locator" xlink:label="us-gaap_InterestPaidNet" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeasePayments" xlink:type="locator" xlink:label="us-gaap_OperatingLeasePayments" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating cash flows from operating leases</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasePayments" xlink:to="us-gaap_OperatingLeasePayments_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease Payments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseInterestPaymentOnLiability" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseInterestPaymentOnLiability" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseInterestPaymentOnLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating cash flows from finance leases</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseInterestPaymentOnLiability" xlink:to="us-gaap_FinanceLeaseInterestPaymentOnLiability_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseInterestPaymentOnLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Interest Payment On Liability</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeasePrincipalPayments" xlink:type="locator" xlink:label="us-gaap_FinanceLeasePrincipalPayments" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeasePrincipalPayments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing cash flows from finance leases</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeasePrincipalPayments" xlink:to="us-gaap_FinanceLeasePrincipalPayments_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeasePrincipalPayments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Principal Payments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-cash investing and financing activities:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AccruedPaidInKindInterestOnSeniorSecuredNotes_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued paid-in-kind interest on 2024 Notes</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AccruedPaidInKindInterestOnSeniorSecuredNotes_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Paid In Kind Interest On Senior Secured Notes</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:type="locator" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Organization Consolidation And Presentation Of Financial Statements [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock" xlink:type="locator" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">GENERAL</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Organization Consolidation And Presentation Of Financial Statements Disclosure And Significant Accounting Policies [Text Block]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_AcquisitionsAndDivestituresTextBlock" xlink:type="locator" xlink:label="ston_AcquisitionsAndDivestituresTextBlock" />
    <link:label xml:lang="en-US" xlink:label="ston_AcquisitionsAndDivestituresTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Acquisitions and divestitures.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AcquisitionsAndDivestituresTextBlock" xlink:to="ston_AcquisitionsAndDivestituresTextBlock_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_AcquisitionsAndDivestituresAbstract" xlink:type="locator" xlink:label="ston_AcquisitionsAndDivestituresAbstract" />
    <link:label xml:lang="en-US" xlink:label="ston_AcquisitionsAndDivestituresAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Acquisitions and divestitures.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AcquisitionsAndDivestituresAbstract" xlink:to="ston_AcquisitionsAndDivestituresAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_AcquisitionsAndDivestituresAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Acquisitions And Divestitures [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AcquisitionsAndDivestituresTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ACQUISITIONS AND DIVESTITURES</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AcquisitionsAndDivestituresTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Acquisitions And Divestitures [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:type="locator" xlink:label="us-gaap_ReceivablesAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ReceivablesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Receivables [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivablesAbstract" xlink:to="us-gaap_ReceivablesAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ACCOUNTS RECEIVABLE, NET OF ALLOWANCE</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:to="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loans Notes Trade And Other Receivables Disclosure [Text Block]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_CemeteryPropertyTextBlock" xlink:type="locator" xlink:label="ston_CemeteryPropertyTextBlock" />
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryPropertyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The entire disclosure of the types of cemetery property which are valued at cost, which is not in excess of market value.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_CemeteryPropertyTextBlock" xlink:to="ston_CemeteryPropertyTextBlock_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryPropertyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CEMETERY PROPERTY</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryPropertyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cemetery Property [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PROPERTY AND EQUIPMENT</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment Disclosure [Text Block]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_DisclosureOfMerchandiseTrustsTextBlock" xlink:type="locator" xlink:label="ston_DisclosureOfMerchandiseTrustsTextBlock" />
    <link:label xml:lang="en-US" xlink:label="ston_DisclosureOfMerchandiseTrustsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The entire disclosure for investments held in merchandise trusts including 1) tabular presentation of cost, unrealized gains and losses and fair value by major investment category, 2) tabular presentation of contractual maturities, 3) tabular presentation of unrealized losses and 4) discussion of other than temporary impairment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DisclosureOfMerchandiseTrustsTextBlock" xlink:to="ston_DisclosureOfMerchandiseTrustsTextBlock_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:type="locator" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Investments Debt And Equity Securities [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:to="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_DisclosureOfMerchandiseTrustsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">MERCHANDISE TRUSTS</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DisclosureOfMerchandiseTrustsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure Of Merchandise Trusts [Text Block]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_DisclosureOfPerpetualCareTrustsTextBlock" xlink:type="locator" xlink:label="ston_DisclosureOfPerpetualCareTrustsTextBlock" />
    <link:label xml:lang="en-US" xlink:label="ston_DisclosureOfPerpetualCareTrustsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The entire disclosure for investments held in perpetual care trusts including 1) tabular presentation of cost, unrealized gains and losses and fair value by major investment category, 2) tabular presentation of contractual maturities, 3) tabular presentation of unrealized losses and 4) discussion of other than temporary impairment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DisclosureOfPerpetualCareTrustsTextBlock" xlink:to="ston_DisclosureOfPerpetualCareTrustsTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_DisclosureOfPerpetualCareTrustsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PERPETUAL CARE TRUSTS</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DisclosureOfPerpetualCareTrustsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure Of Perpetual Care Trusts [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_DebtDisclosureAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_DebtDisclosureAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtTextBlock" xlink:type="locator" xlink:label="us-gaap_LongTermDebtTextBlock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">LONG-TERM DEBT</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtTextBlock" xlink:to="us-gaap_LongTermDebtTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityAbstract" xlink:type="locator" xlink:label="us-gaap_EquityAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EquityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityAbstract" xlink:to="us-gaap_EquityAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock" xlink:type="locator" xlink:label="us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">STOCKHOLDERS&apos; EQUITY</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock" xlink:to="us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Shareholders Equity And Share Based Payments [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:type="locator" xlink:label="us-gaap_RevenueFromContractWithCustomerAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RevenueFromContractWithCustomerAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Revenue From Contract With Customer [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="us-gaap_RevenueFromContractWithCustomerAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:type="locator" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">DEFERRED REVENUES AND COSTS</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:to="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Revenue From Contract With Customer [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commitments And Contingencies Disclosure [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">COMMITMENTS AND CONTINGENCIES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" />
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    <link:loc xlink:href="ston-20210331.xsd#ston_LeasesDisclosureTextBlock" xlink:type="locator" xlink:label="ston_LeasesDisclosureTextBlock" />
    <link:label xml:lang="en-US" xlink:label="ston_LeasesDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The entire disclosure for lessee and lessor entity&apos;s leasing arrangements.</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeasesAbstract" xlink:type="locator" xlink:label="us-gaap_LeasesAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LeasesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Leases [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_LeasesAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_LeasesDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">LEASES</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_LeasesDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Leases Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:type="locator" xlink:label="us-gaap_FairValueDisclosuresAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresAbstract" xlink:to="us-gaap_FairValueDisclosuresAbstract_lbl" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FAIR VALUE OF FINANCIAL INSTRUMENTS</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresTextBlock" xlink:to="us-gaap_FairValueDisclosuresTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CondensedFinancialStatementsTextBlock" xlink:type="locator" xlink:label="srt_CondensedFinancialStatementsTextBlock" />
    <link:label xml:lang="en-US" xlink:label="srt_CondensedFinancialStatementsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CondensedFinancialStatementsTextBlock" xlink:to="srt_CondensedFinancialStatementsTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_CondensedFinancialStatementsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Financial Statements [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:type="locator" xlink:label="us-gaap_SegmentReportingAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingAbstract" xlink:to="us-gaap_SegmentReportingAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SEGMENT INFORMATION</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingDisclosureTextBlock" xlink:to="us-gaap_SegmentReportingDisclosureTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SupplementalCashFlowElementsAbstract" xlink:type="locator" xlink:label="us-gaap_SupplementalCashFlowElementsAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalCashFlowElementsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Supplemental Cash Flow Elements [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalCashFlowElementsAbstract" xlink:to="us-gaap_SupplementalCashFlowElementsAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashFlowSupplementalDisclosuresTextBlock" xlink:type="locator" xlink:label="us-gaap_CashFlowSupplementalDisclosuresTextBlock" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowSupplementalDisclosuresTextBlock" xlink:to="us-gaap_CashFlowSupplementalDisclosuresTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CashFlowSupplementalDisclosuresTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cash Flow Supplemental Disclosures [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:type="locator" xlink:label="us-gaap_RelatedPartyTransactionsAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsAbstract" xlink:to="us-gaap_RelatedPartyTransactionsAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">RELATED PARTIES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:to="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:type="locator" xlink:label="us-gaap_SubsequentEventsAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsAbstract" xlink:to="us-gaap_SubsequentEventsAbstract_lbl" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Text Block]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_NatureOfOperationsPolicyTextBlock" xlink:type="locator" xlink:label="ston_NatureOfOperationsPolicyTextBlock" />
    <link:label xml:lang="en-US" xlink:label="ston_NatureOfOperationsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Nature of Operations.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_NatureOfOperationsPolicyTextBlock" xlink:to="ston_NatureOfOperationsPolicyTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_NatureOfOperationsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nature of Operations</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_NatureOfOperationsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Nature Of Operations Policy [Text Block]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock" xlink:type="locator" xlink:label="ston_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock" />
    <link:label xml:lang="en-US" xlink:label="ston_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of Presentation and Principles of Consolidation</link:label>
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    <link:label xml:lang="en-US" xlink:label="ston_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Basis Of Presentation And Principles Of Consolidation Policy [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_DebtPolicyTextBlock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Refinancing</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtPolicyTextBlock" xlink:to="us-gaap_DebtPolicyTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Policy [Text Block]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_COVID19AndBusinessInterruptionPolicyTextBlock" xlink:type="locator" xlink:label="ston_COVID19AndBusinessInterruptionPolicyTextBlock" />
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    <link:label xml:lang="en-US" xlink:label="ston_COVID19AndBusinessInterruptionPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">COVID-19 Pandemic</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_COVID19AndBusinessInterruptionPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">C O V I D19 And Business Interruption Policy [Text Block]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_SourcesAndUsesOfLiquidityPolicyTextBlock" xlink:type="locator" xlink:label="ston_SourcesAndUsesOfLiquidityPolicyTextBlock" />
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    <link:label xml:lang="en-US" xlink:label="ston_SourcesAndUsesOfLiquidityPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Sources And Uses Of Liquidity Policy [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UseOfEstimates" xlink:type="locator" xlink:label="us-gaap_UseOfEstimates" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Use of Estimates</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and Cash Equivalents</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cash And Cash Equivalents Policy [Text Block]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_RestrictedCashPolicyTextBlock" xlink:type="locator" xlink:label="ston_RestrictedCashPolicyTextBlock" />
    <link:label xml:lang="en-US" xlink:label="ston_RestrictedCashPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Restricted cash.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_RestrictedCashPolicyTextBlock" xlink:to="ston_RestrictedCashPolicyTextBlock_lbl" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy" xlink:type="locator" xlink:label="us-gaap_ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Option And Incentive Plans Policy</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" />
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    <link:loc xlink:href="ston-20210331.xsd#ston_AllowanceForDoubtfulAccountsTableTextBlock" xlink:type="locator" xlink:label="ston_AllowanceForDoubtfulAccountsTableTextBlock" />
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    <link:loc xlink:href="ston-20210331.xsd#ston_CemeteryPropertyTableTextBlock" xlink:type="locator" xlink:label="ston_CemeteryPropertyTableTextBlock" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock" />
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    <link:loc xlink:href="ston-20210331.xsd#ston_ReconciliationOfTrustActivitiesTableTextBlock" xlink:type="locator" xlink:label="ston_ReconciliationOfTrustActivitiesTableTextBlock" />
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    <link:label xml:lang="en-US" xlink:label="dei_LegalEntityAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Legal Entity</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_PerpetualCareTrustsMember" xlink:type="locator" xlink:label="ston_PerpetualCareTrustsMember" />
    <link:label xml:lang="en-US" xlink:label="ston_PerpetualCareTrustsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Perpetual Care Trusts</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted Stock and Phantom Stock Awards</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock" xlink:to="us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Share Based Compensation Activity Table [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Deferred Revenues and Related Costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock" xlink:to="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contract With Customer Asset And Liability Table [Text Block]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_ContractWithCustomerLiabilityNetTableTextBlock" xlink:type="locator" xlink:label="ston_ContractWithCustomerLiabilityNetTableTextBlock" />
    <link:label xml:lang="en-US" xlink:label="ston_ContractWithCustomerLiabilityNetTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Contract with customer liability, net.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_ContractWithCustomerLiabilityNetTableTextBlock" xlink:to="ston_ContractWithCustomerLiabilityNetTableTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_ContractWithCustomerLiabilityNetTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Customer Contract Liabilities, Net</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ContractWithCustomerLiabilityNetTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contract With Customer Liability Net Table [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xlink:type="locator" xlink:label="srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" />
    <link:label xml:lang="en-US" xlink:label="srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contractual Annual Amounts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xlink:to="srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contractual Obligation Fiscal Year Maturity Schedule Table [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed Rent for Cemeteries</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xlink:to="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Future Minimum Rental Payments For Operating Leases Table [Text Block]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_ComponentsOfLeasesTableTextBlock" xlink:type="locator" xlink:label="ston_ComponentsOfLeasesTableTextBlock" />
    <link:label xml:lang="en-US" xlink:label="ston_ComponentsOfLeasesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Components of leases.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_ComponentsOfLeasesTableTextBlock" xlink:to="ston_ComponentsOfLeasesTableTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_ComponentsOfLeasesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Components of Leases</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ComponentsOfLeasesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Components Of Leases Table [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeaseCostTableTextBlock" xlink:type="locator" xlink:label="us-gaap_LeaseCostTableTextBlock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Components of Lease Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseCostTableTextBlock" xlink:to="us-gaap_LeaseCostTableTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lease Cost Table [Text Block]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock" xlink:type="locator" xlink:label="ston_OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock" />
    <link:label xml:lang="en-US" xlink:label="ston_OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The tabular disclosure for maturities of operating lease and finance lease liabilities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock" xlink:to="ston_OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturities of the Company&apos;s Lease Labilities</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_OperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease And Finance Lease Liability Maturity Table [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ScheduleOfCondensedBalanceSheetTableTextBlock" xlink:type="locator" xlink:label="srt_ScheduleOfCondensedBalanceSheetTableTextBlock" />
    <link:label xml:lang="en-US" xlink:label="srt_ScheduleOfCondensedBalanceSheetTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Condensed Consolidating Balance Sheets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ScheduleOfCondensedBalanceSheetTableTextBlock" xlink:to="srt_ScheduleOfCondensedBalanceSheetTableTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_ScheduleOfCondensedBalanceSheetTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Condensed Balance Sheet Table [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ScheduleOfCondensedIncomeStatementTableTextBlock" xlink:type="locator" xlink:label="srt_ScheduleOfCondensedIncomeStatementTableTextBlock" />
    <link:label xml:lang="en-US" xlink:label="srt_ScheduleOfCondensedIncomeStatementTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Condensed Consolidating Statements of Operations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ScheduleOfCondensedIncomeStatementTableTextBlock" xlink:to="srt_ScheduleOfCondensedIncomeStatementTableTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_ScheduleOfCondensedIncomeStatementTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Condensed Income Statement Table [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ScheduleOfCondensedCashFlowStatementTableTextBlock" xlink:type="locator" xlink:label="srt_ScheduleOfCondensedCashFlowStatementTableTextBlock" />
    <link:label xml:lang="en-US" xlink:label="srt_ScheduleOfCondensedCashFlowStatementTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Condensed Consolidating Statement of Cash Flows</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ScheduleOfCondensedCashFlowStatementTableTextBlock" xlink:to="srt_ScheduleOfCondensedCashFlowStatementTableTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_ScheduleOfCondensedCashFlowStatementTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Condensed Cash Flow Statement Table [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Information</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Segment Reporting Information By Segment [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Cash Flow, Supplemental Disclosures</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock" xlink:to="us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Cash Flow Supplemental Disclosures Table [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRedemptionTableTextBlock" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentRedemptionTableTextBlock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Redemption Prices Percentage of Principal Amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentRedemptionTableTextBlock" xlink:to="us-gaap_DebtInstrumentRedemptionTableTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Redemption Table [Text Block]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_NumberOfOperatingLocations" xlink:type="locator" xlink:label="ston_NumberOfOperatingLocations" />
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfOperatingLocations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of operating locations.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_NumberOfOperatingLocations" xlink:to="ston_NumberOfOperatingLocations_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureLineItems" xlink:type="locator" xlink:label="ston_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureLineItems" />
    <link:label xml:lang="en-US" xlink:label="ston_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureLineItems" xlink:to="ston_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureLineItems_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTable" xlink:type="locator" xlink:label="ston_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTable" />
    <link:label xml:lang="en-US" xlink:label="ston_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Organization, Consolidation and Presentation of Financial Statements Disclosure [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTable" xlink:to="ston_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization Consolidation And Presentation Of Financial Statements Disclosure [Table]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Organization Consolidation And Presentation Of Financial Statements Disclosure [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_StatementGeographicalAxis" xlink:type="locator" xlink:label="srt_StatementGeographicalAxis" />
    <link:label xml:lang="en-US" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Geographical</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_StatementGeographicalAxis" xlink:to="srt_StatementGeographicalAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement Geographical [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_SegmentGeographicalDomain" xlink:type="locator" xlink:label="srt_SegmentGeographicalDomain" />
    <link:label xml:lang="en-US" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Geographical</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_SegmentGeographicalDomain" xlink:to="srt_SegmentGeographicalDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Segment Geographical [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_UnitedStatesAndPuertoRicoMember" xlink:type="locator" xlink:label="ston_UnitedStatesAndPuertoRicoMember" />
    <link:label xml:lang="en-US" xlink:label="ston_UnitedStatesAndPuertoRicoMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">US and Puerto Rico [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_UnitedStatesAndPuertoRicoMember" xlink:to="ston_UnitedStatesAndPuertoRicoMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_UnitedStatesAndPuertoRicoMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">US and Puerto Rico</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_UnitedStatesAndPuertoRicoMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">United States And Puerto Rico [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RealEstatePropertiesAxis" xlink:type="locator" xlink:label="us-gaap_RealEstatePropertiesAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RealEstatePropertiesAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real Estate Property Ownership</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RealEstatePropertiesAxis" xlink:to="us-gaap_RealEstatePropertiesAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RealEstatePropertiesAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Properties [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RealEstatePropertiesDomain" xlink:type="locator" xlink:label="us-gaap_RealEstatePropertiesDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RealEstatePropertiesDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Real Estate Properties</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RealEstatePropertiesDomain" xlink:to="us-gaap_RealEstatePropertiesDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RealEstatePropertiesDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Real Estate Properties [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WhollyOwnedPropertiesMember" xlink:type="locator" xlink:label="us-gaap_WhollyOwnedPropertiesMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_WhollyOwnedPropertiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Wholly Owned Properties</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WhollyOwnedPropertiesMember" xlink:to="us-gaap_WhollyOwnedPropertiesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_WhollyOwnedPropertiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Wholly Owned Properties [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_ManagedPropertiesMember" xlink:type="locator" xlink:label="ston_ManagedPropertiesMember" />
    <link:label xml:lang="en-US" xlink:label="ston_ManagedPropertiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Managed Properties [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_ManagedPropertiesMember" xlink:to="ston_ManagedPropertiesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_ManagedPropertiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Managed Properties</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ManagedPropertiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Managed Properties [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-Lived Tangible Asset</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment By Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-Lived Tangible Asset</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment Type [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_CemeteryPropertyMember" xlink:type="locator" xlink:label="ston_CemeteryPropertyMember" />
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryPropertyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Cemetery Property [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_CemeteryPropertyMember" xlink:to="ston_CemeteryPropertyMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryPropertyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cemetery Property</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryPropertyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cemetery Property [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_OwnershipAxis" xlink:type="locator" xlink:label="srt_OwnershipAxis" />
    <link:label xml:lang="en-US" xlink:label="srt_OwnershipAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ownership</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_OwnershipAxis" xlink:to="srt_OwnershipAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_OwnershipAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Ownership [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_OwnershipDomain" xlink:type="locator" xlink:label="srt_OwnershipDomain" />
    <link:label xml:lang="en-US" xlink:label="srt_OwnershipDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ownership</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_OwnershipDomain" xlink:to="srt_OwnershipDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_OwnershipDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Ownership [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_StoneMorOperatingLlcMember" xlink:type="locator" xlink:label="ston_StoneMorOperatingLlcMember" />
    <link:label xml:lang="en-US" xlink:label="ston_StoneMorOperatingLlcMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">StoneMor operating LLC [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_StoneMorOperatingLlcMember" xlink:to="ston_StoneMorOperatingLlcMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_StoneMorOperatingLlcMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">StoneMor Operating LLC</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_StoneMorOperatingLlcMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stone Mor Operating Llc [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConsolidatedPropertiesMember" xlink:type="locator" xlink:label="us-gaap_ConsolidatedPropertiesMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ConsolidatedPropertiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidated Properties</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConsolidatedPropertiesMember" xlink:to="us-gaap_ConsolidatedPropertiesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ConsolidatedPropertiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Properties [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnconsolidatedPropertiesMember" xlink:type="locator" xlink:label="us-gaap_UnconsolidatedPropertiesMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnconsolidatedPropertiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unconsolidated Properties</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnconsolidatedPropertiesMember" xlink:to="us-gaap_UnconsolidatedPropertiesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnconsolidatedPropertiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Unconsolidated Properties [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:type="locator" xlink:label="us-gaap_LongtermDebtTypeAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term Debt, Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Longterm Debt Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:type="locator" xlink:label="us-gaap_LongtermDebtTypeDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term Debt, Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="us-gaap_LongtermDebtTypeDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Longterm Debt Type [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_NinePointEightSevenFivePercentSeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember" xlink:type="locator" xlink:label="ston_NinePointEightSevenFivePercentSeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember" />
    <link:label xml:lang="en-US" xlink:label="ston_NinePointEightSevenFivePercentSeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">9.875% senior secured payment in kind toggle notes due 2024.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_NinePointEightSevenFivePercentSeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember" xlink:to="ston_NinePointEightSevenFivePercentSeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_NinePointEightSevenFivePercentSeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">9.875% notes, due 2024</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_NinePointEightSevenFivePercentSeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Nine Point Eight Seven Five Percent Senior Secured Payment In Kind Toggle Notes Due Two Thousand Twenty Four [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_ElevenPointFiveZeroZeroPercentSeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember" xlink:type="locator" xlink:label="ston_ElevenPointFiveZeroZeroPercentSeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember" />
    <link:label xml:lang="en-US" xlink:label="ston_ElevenPointFiveZeroZeroPercentSeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">11.500% senior secured payment in kind toggle notes due 2024.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_ElevenPointFiveZeroZeroPercentSeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember" xlink:to="ston_ElevenPointFiveZeroZeroPercentSeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_ElevenPointFiveZeroZeroPercentSeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">11.500% notes, due 2024</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ElevenPointFiveZeroZeroPercentSeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Eleven Point Five Zero Zero Percent Senior Secured Payment In Kind Toggle Notes Due Two Thousand Twenty Four [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentNameDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument, Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="us-gaap_DebtInstrumentNameDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Name [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_EightPointFiveZeroZeroPercentSeniorSecuredNotesDueTwoThousandTwentyNineMember" xlink:type="locator" xlink:label="ston_EightPointFiveZeroZeroPercentSeniorSecuredNotesDueTwoThousandTwentyNineMember" />
    <link:label xml:lang="en-US" xlink:label="ston_EightPointFiveZeroZeroPercentSeniorSecuredNotesDueTwoThousandTwentyNineMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Eight point five zero zero percent senior secured notes due two thousand twenty nine.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_EightPointFiveZeroZeroPercentSeniorSecuredNotesDueTwoThousandTwentyNineMember" xlink:to="ston_EightPointFiveZeroZeroPercentSeniorSecuredNotesDueTwoThousandTwentyNineMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_EightPointFiveZeroZeroPercentSeniorSecuredNotesDueTwoThousandTwentyNineMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">8.500% Senior Secured Notes due 2029</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_EightPointFiveZeroZeroPercentSeniorSecuredNotesDueTwoThousandTwentyNineMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Eight Point Five Zero Zero Percent Senior Secured Notes Due Two Thousand Twenty Nine [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventTypeDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventMember" xlink:type="locator" xlink:label="us-gaap_SubsequentEventMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventMember" xlink:to="us-gaap_SubsequentEventMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnusualRiskOrUncertaintyByNatureAxis" xlink:type="locator" xlink:label="us-gaap_UnusualRiskOrUncertaintyByNatureAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnusualRiskOrUncertaintyByNatureAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unusual Risk or Uncertainty, Nature</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnusualRiskOrUncertaintyByNatureAxis" xlink:to="us-gaap_UnusualRiskOrUncertaintyByNatureAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnusualRiskOrUncertaintyByNatureAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Unusual Risk Or Uncertainty By Nature [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnusualRiskOrUncertaintyNatureDomain" xlink:type="locator" xlink:label="us-gaap_UnusualRiskOrUncertaintyNatureDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnusualRiskOrUncertaintyNatureDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unusual Risk or Uncertainty, Nature</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnusualRiskOrUncertaintyNatureDomain" xlink:to="us-gaap_UnusualRiskOrUncertaintyNatureDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnusualRiskOrUncertaintyNatureDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Unusual Risk Or Uncertainty Nature [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_CoronavirusDisease2019PandemicMember" xlink:type="locator" xlink:label="ston_CoronavirusDisease2019PandemicMember" />
    <link:label xml:lang="en-US" xlink:label="ston_CoronavirusDisease2019PandemicMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Coronavirus disease 2019 pandemic.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_CoronavirusDisease2019PandemicMember" xlink:to="ston_CoronavirusDisease2019PandemicMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_CoronavirusDisease2019PandemicMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Coronavirus Disease2019 Pandemic</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CoronavirusDisease2019PandemicMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Coronavirus Disease2019 Pandemic [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:type="locator" xlink:label="us-gaap_StatementClassOfStockAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_StatementClassOfStockAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement Class Of Stock [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfStockDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_ClassOfStockDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Class Of Stock [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SeriesAPreferredStockMember" xlink:type="locator" xlink:label="us-gaap_SeriesAPreferredStockMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SeriesAPreferredStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A Preferred Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeriesAPreferredStockMember" xlink:to="us-gaap_SeriesAPreferredStockMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SeriesAPreferredStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Series A Preferred Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="locator" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions By Related Party [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:type="locator" xlink:label="us-gaap_RelatedPartyDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="us-gaap_RelatedPartyDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Related Party [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_AxarMember" xlink:type="locator" xlink:label="ston_AxarMember" />
    <link:label xml:lang="en-US" xlink:label="ston_AxarMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Axar [Member].</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AxarMember" xlink:to="ston_AxarMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_AxarMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Axar</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AxarMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Axar [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TypeOfArrangementAxis" xlink:type="locator" xlink:label="us-gaap_TypeOfArrangementAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collaborative Arrangement and Arrangement Other than Collaborative</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TypeOfArrangementAxis" xlink:to="us-gaap_TypeOfArrangementAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Type Of Arrangement [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:type="locator" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collaborative Arrangement and Arrangement Other than Collaborative</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Arrangements And Nonarrangement Transactions [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_CommonStockPurchaseAgreementMember" xlink:type="locator" xlink:label="ston_CommonStockPurchaseAgreementMember" />
    <link:label xml:lang="en-US" xlink:label="ston_CommonStockPurchaseAgreementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Common stock purchase agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_CommonStockPurchaseAgreementMember" xlink:to="ston_CommonStockPurchaseAgreementMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_CommonStockPurchaseAgreementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock Purchase Agreement</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CommonStockPurchaseAgreementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Purchase Agreement [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:type="locator" xlink:label="us-gaap_SubsidiarySaleOfStockAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsidiarySaleOfStockAxis" xlink:to="us-gaap_SubsidiarySaleOfStockAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Subsidiary Sale Of Stock [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:type="locator" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Sale Of Stock Name Of Transaction [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_RightsOfferingMember" xlink:type="locator" xlink:label="ston_RightsOfferingMember" />
    <link:label xml:lang="en-US" xlink:label="ston_RightsOfferingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Rights offering.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_RightsOfferingMember" xlink:to="ston_RightsOfferingMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_RightsOfferingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rights Offering</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_RightsOfferingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Rights Offering [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeAxis" xlink:type="locator" xlink:label="srt_RangeAxis" />
    <link:label xml:lang="en-US" xlink:label="srt_RangeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeAxis" xlink:to="srt_RangeAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_RangeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Range [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeMember" xlink:type="locator" xlink:label="srt_RangeMember" />
    <link:label xml:lang="en-US" xlink:label="srt_RangeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeMember" xlink:to="srt_RangeMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_RangeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Range [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MaximumMember" xlink:type="locator" xlink:label="srt_MaximumMember" />
    <link:label xml:lang="en-US" xlink:label="srt_MaximumMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MaximumMember" xlink:to="srt_MaximumMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_MaximumMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MinimumMember" xlink:type="locator" xlink:label="srt_MinimumMember" />
    <link:label xml:lang="en-US" xlink:label="srt_MinimumMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MinimumMember" xlink:to="srt_MinimumMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_MinimumMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfOperatingLocations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of operating locations</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfOperatingLocations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Operating Locations</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NumberOfStatesInWhichEntityOperates" xlink:type="locator" xlink:label="us-gaap_NumberOfStatesInWhichEntityOperates" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NumberOfStatesInWhichEntityOperates_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of states</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NumberOfStatesInWhichEntityOperates" xlink:to="us-gaap_NumberOfStatesInWhichEntityOperates_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NumberOfStatesInWhichEntityOperates_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of States In Which Entity Operates</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:type="locator" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ownership percentage subsidiaries by the parent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:to="us-gaap_MinorityInterestOwnershipPercentageByParent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Minority Interest Ownership Percentage By Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentFaceAmount" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term debt, principal amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFaceAmount" xlink:to="us-gaap_DebtInstrumentFaceAmount_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Face Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term debt, interest rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Interest Rate Stated Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:type="locator" xlink:label="us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceeds from the sale of the senior secured notes</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:to="us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Issuance Of Senior Long Term Debt</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_CostIncurredForUnusualEvent" xlink:type="locator" xlink:label="ston_CostIncurredForUnusualEvent" />
    <link:label xml:lang="en-US" xlink:label="ston_CostIncurredForUnusualEvent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Cost incurred for unusual event.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_CostIncurredForUnusualEvent" xlink:to="ston_CostIncurredForUnusualEvent_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_CostIncurredForUnusualEvent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost related to COVID-19 safety protocols</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CostIncurredForUnusualEvent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cost Incurred For Unusual Event</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_TemporaryEquityCashPricePerShare" xlink:type="locator" xlink:label="ston_TemporaryEquityCashPricePerShare" />
    <link:label xml:lang="en-US" xlink:label="ston_TemporaryEquityCashPricePerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Temporary equity cash price per share.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_TemporaryEquityCashPricePerShare" xlink:to="ston_TemporaryEquityCashPricePerShare_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TemporaryEquitySharesIssued" xlink:type="locator" xlink:label="us-gaap_TemporaryEquitySharesIssued" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TemporaryEquitySharesIssued_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred units, sold</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TemporaryEquitySharesIssued" xlink:to="us-gaap_TemporaryEquitySharesIssued_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TemporaryEquitySharesIssued_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity Shares Issued</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_TemporaryEquityCashPricePerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred units, cash price per share</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_TemporaryEquityCashPricePerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity Cash Price Per Share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent" xlink:type="locator" xlink:label="us-gaap_TemporaryEquityCarryingAmountAttributableToParent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred unit, aggregate purchase price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TemporaryEquityCarryingAmountAttributableToParent" xlink:to="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity Carrying Amount Attributable To Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exchange of Series A Preferred Stock for Common Stock (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xlink:to="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Shares Conversion Of Convertible Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of Series A Preferred Stock\units (in shares\units)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Shares New Issues</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharePrice" xlink:type="locator" xlink:label="us-gaap_SharePrice" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SharePrice_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharePrice" xlink:to="us-gaap_SharePrice_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SharePrice_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Share Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value New Issues</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_HighlyLiquidInvestmentsMaturityPeriod" xlink:type="locator" xlink:label="ston_HighlyLiquidInvestmentsMaturityPeriod" />
    <link:label xml:lang="en-US" xlink:label="ston_HighlyLiquidInvestmentsMaturityPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Highly Liquid Investments Maturity Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_HighlyLiquidInvestmentsMaturityPeriod" xlink:to="ston_HighlyLiquidInvestmentsMaturityPeriod_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_HighlyLiquidInvestmentsMaturityPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liquid investments purchased with an original maturity</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_HighlyLiquidInvestmentsMaturityPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Highly Liquid Investments Maturity Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="locator" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cash and cash equivalents</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cash And Cash Equivalents At Carrying Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedCash" xlink:type="locator" xlink:label="us-gaap_RestrictedCash" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RestrictedCash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted cash</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedCash" xlink:to="us-gaap_RestrictedCash_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RestrictedCash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Cash</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_InvestmentIncomeContractualTerm" xlink:type="locator" xlink:label="ston_InvestmentIncomeContractualTerm" />
    <link:label xml:lang="en-US" xlink:label="ston_InvestmentIncomeContractualTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment income contractual term.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_InvestmentIncomeContractualTerm" xlink:to="ston_InvestmentIncomeContractualTerm_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_InvestmentIncomeContractualTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment income, contractual term</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_InvestmentIncomeContractualTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income Contractual Term</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument, variable rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:to="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Basis Spread On Variable Rate1</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:type="locator" xlink:label="us-gaap_NumberOfReportableSegments" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of reportable segments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NumberOfReportableSegments" xlink:to="us-gaap_NumberOfReportableSegments_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Reportable Segments</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_ProductSalesPaymentTerm" xlink:type="locator" xlink:label="ston_ProductSalesPaymentTerm" />
    <link:label xml:lang="en-US" xlink:label="ston_ProductSalesPaymentTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Product Sales, Payment Term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_ProductSalesPaymentTerm" xlink:to="ston_ProductSalesPaymentTerm_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_AccountsReceivableAverageCancellationRateBasisPeriod" xlink:type="locator" xlink:label="ston_AccountsReceivableAverageCancellationRateBasisPeriod" />
    <link:label xml:lang="en-US" xlink:label="ston_AccountsReceivableAverageCancellationRateBasisPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Accounts receivable average cancellation rate basis period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AccountsReceivableAverageCancellationRateBasisPeriod" xlink:to="ston_AccountsReceivableAverageCancellationRateBasisPeriod_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_ProductSalesPaymentTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product sales, payment term</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ProductSalesPaymentTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Product Sales Payment Term</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AccountsReceivableAverageCancellationRateBasisPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable average cancellation rate basis period</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AccountsReceivableAverageCancellationRateBasisPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable Average Cancellation Rate Basis Period</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_LesseeLeaseRenewalTerm" xlink:type="locator" xlink:label="ston_LesseeLeaseRenewalTerm" />
    <link:label xml:lang="en-US" xlink:label="ston_LesseeLeaseRenewalTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Lessee lease renewal term.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_LesseeLeaseRenewalTerm" xlink:to="ston_LesseeLeaseRenewalTerm_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_LesseeLeaseOptionToExtend" xlink:type="locator" xlink:label="ston_LesseeLeaseOptionToExtend" />
    <link:label xml:lang="en-US" xlink:label="ston_LesseeLeaseOptionToExtend_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Lessee lease option to extend.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_LesseeLeaseOptionToExtend" xlink:to="ston_LesseeLeaseOptionToExtend_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_LesseeLeaseOptionToExtend_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lease renewal term description</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_LesseeLeaseOptionToExtend_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Lease Option To Extend</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_LesseeLeaseRenewalTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lease renewal term</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_LesseeLeaseRenewalTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Lease Renewal Term</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:type="locator" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Antidilutive Securities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:type="locator" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Antidilutive Securities, Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesNameDomain" xlink:to="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedStockMember" xlink:type="locator" xlink:label="us-gaap_RestrictedStockMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockMember" xlink:to="us-gaap_RestrictedStockMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:type="locator" xlink:label="us-gaap_EmployeeStockOptionMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EmployeeStockOptionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock options</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeStockOptionMember" xlink:to="us-gaap_EmployeeStockOptionMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EmployeeStockOptionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Employee Stock Option [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:type="locator" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plus effect of dilutive incentive awards</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:to="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number Diluted Shares Outstanding Adjustment</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted average number of outstanding common shares - diluted</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Earnings Per Share Diluted By Common Class [Table]</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Earnings Per Share Diluted By Common Class [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareDilutedLineItems" xlink:type="locator" xlink:label="us-gaap_EarningsPerShareDilutedLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EarningsPerShareDilutedLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Earnings Per Share Diluted [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDilutedLineItems" xlink:to="us-gaap_EarningsPerShareDilutedLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EarningsPerShareDilutedLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share Diluted [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:type="locator" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diluted weighted-average number of outstanding common shares</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_NumberOfCemeteriesYetToAcquire" xlink:type="locator" xlink:label="ston_NumberOfCemeteriesYetToAcquire" />
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfCemeteriesYetToAcquire_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of cemeteries yet to acquire.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_NumberOfCemeteriesYetToAcquire" xlink:to="ston_NumberOfCemeteriesYetToAcquire_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_BusinessCombinationConsiderationToBeTransferred" xlink:type="locator" xlink:label="ston_BusinessCombinationConsiderationToBeTransferred" />
    <link:label xml:lang="en-US" xlink:label="ston_BusinessCombinationConsiderationToBeTransferred_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, consideration to be transferred.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_BusinessCombinationConsiderationToBeTransferred" xlink:to="ston_BusinessCombinationConsiderationToBeTransferred_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:type="locator" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Table]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_OakmontAgreementMember" xlink:type="locator" xlink:label="ston_OakmontAgreementMember" />
    <link:label xml:lang="en-US" xlink:label="ston_OakmontAgreementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Oakmont Agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_OakmontAgreementMember" xlink:to="ston_OakmontAgreementMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_OakmontAgreementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Oakmont Agreement [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:type="locator" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Disposal Group Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:to="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:type="locator" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Disposal Group Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:to="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Groups Including Discontinued Operations Name [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_OakmontSaleMember" xlink:type="locator" xlink:label="ston_OakmontSaleMember" />
    <link:label xml:lang="en-US" xlink:label="ston_OakmontSaleMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Oakmont Sale.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_OakmontSaleMember" xlink:to="ston_OakmontSaleMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_OakmontSaleMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Oakmont Sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_OakmontSaleMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Oakmont Sale [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_SeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember" xlink:type="locator" xlink:label="ston_SeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember" />
    <link:label xml:lang="en-US" xlink:label="ston_SeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Senior secured payment in kind toggle notes due 2024.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_SeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember" xlink:to="ston_SeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_SeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024 Notes</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_SeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Senior Secured Payment In Kind Toggle Notes Due Two Thousand Twenty Four [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_OlivetSaleMember" xlink:type="locator" xlink:label="ston_OlivetSaleMember" />
    <link:label xml:lang="en-US" xlink:label="ston_OlivetSaleMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Olivet Sale</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_OlivetSaleMember" xlink:to="ston_OlivetSaleMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_OlivetSaleMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Olivet Sale [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_OlivetAgreementMember" xlink:type="locator" xlink:label="ston_OlivetAgreementMember" />
    <link:label xml:lang="en-US" xlink:label="ston_OlivetAgreementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Olivet Agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_OlivetAgreementMember" xlink:to="ston_OlivetAgreementMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_OlivetAgreementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Olivet Agreement [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_RemainingCaliforniaSaleMember" xlink:type="locator" xlink:label="ston_RemainingCaliforniaSaleMember" />
    <link:label xml:lang="en-US" xlink:label="ston_RemainingCaliforniaSaleMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Remaining California Sale.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_RemainingCaliforniaSaleMember" xlink:to="ston_RemainingCaliforniaSaleMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_RemainingCaliforniaSaleMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Remaining California Sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_RemainingCaliforniaSaleMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Remaining California Sale [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_CaliforniaAgreementMember" xlink:type="locator" xlink:label="ston_CaliforniaAgreementMember" />
    <link:label xml:lang="en-US" xlink:label="ston_CaliforniaAgreementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">California Agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_CaliforniaAgreementMember" xlink:to="ston_CaliforniaAgreementMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_CaliforniaAgreementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">California Agreement</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CaliforniaAgreementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">California Agreement [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_ClearstoneSaleMember" xlink:type="locator" xlink:label="ston_ClearstoneSaleMember" />
    <link:label xml:lang="en-US" xlink:label="ston_ClearstoneSaleMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Clearstone Sale.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_ClearstoneSaleMember" xlink:to="ston_ClearstoneSaleMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_ClearstoneSaleMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Clearstone Sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ClearstoneSaleMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Clearstone Sale [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_ClearstoneAgreementsMember" xlink:type="locator" xlink:label="ston_ClearstoneAgreementsMember" />
    <link:label xml:lang="en-US" xlink:label="ston_ClearstoneAgreementsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Clearstone Agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_ClearstoneAgreementsMember" xlink:to="ston_ClearstoneAgreementsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_ClearstoneAgreementsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Clearstone Agreement</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ClearstoneAgreementsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Clearstone Agreements [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:type="locator" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfCemeteriesYetToAcquire_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of cemeteries yet to acquire</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfCemeteriesYetToAcquire_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Cemeteries Yet To Acquire</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_BusinessCombinationConsiderationToBeTransferred_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total purchase price</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_BusinessCombinationConsiderationToBeTransferred_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Consideration To Be Transferred</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_NumberOfCemeteryDivested" xlink:type="locator" xlink:label="ston_NumberOfCemeteryDivested" />
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfCemeteryDivested_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of cemetery divested.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_NumberOfCemeteryDivested" xlink:to="ston_NumberOfCemeteryDivested_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_NumberOfFuneralHomeDivested" xlink:type="locator" xlink:label="ston_NumberOfFuneralHomeDivested" />
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfFuneralHomeDivested_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of funeral home divested.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_NumberOfFuneralHomeDivested" xlink:to="ston_NumberOfFuneralHomeDivested_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_DebtInstrumentAggregatePrincipalAmountRedeemed" xlink:type="locator" xlink:label="ston_DebtInstrumentAggregatePrincipalAmountRedeemed" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentAggregatePrincipalAmountRedeemed_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument aggregate principal amount redeemed.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DebtInstrumentAggregatePrincipalAmountRedeemed" xlink:to="ston_DebtInstrumentAggregatePrincipalAmountRedeemed_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate cash purchase price</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfCemeteryDivested_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of cemetery divested</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfCemeteryDivested_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Cemetery Divested</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfFuneralHomeDivested_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of funeral home divested</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfFuneralHomeDivested_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Funeral Home Divested</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_GainLossOnSaleOfBusiness_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain on sale of business</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentAggregatePrincipalAmountRedeemed_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate principal amount of debt redeemed from assets dispositions</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentAggregatePrincipalAmountRedeemed_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Aggregate Principal Amount Redeemed</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_LandPurchaseObligations" xlink:type="locator" xlink:label="ston_LandPurchaseObligations" />
    <link:label xml:lang="en-US" xlink:label="ston_LandPurchaseObligations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Land purchase obligations.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_LandPurchaseObligations" xlink:to="ston_LandPurchaseObligations_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xlink:type="locator" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate purchase price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xlink:to="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Divestiture Of Businesses Net Of Cash Divested</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_LandPurchaseObligations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Land purchase obligations</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_LandPurchaseObligations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Land Purchase Obligations</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_NumberOfCrematoriesDivested" xlink:type="locator" xlink:label="ston_NumberOfCrematoriesDivested" />
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfCrematoriesDivested_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of crematories divested.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_NumberOfCrematoriesDivested" xlink:to="ston_NumberOfCrematoriesDivested_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfCrematoriesDivested_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of crematories divested</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfCrematoriesDivested_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Crematories Divested</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_DiscontinuedOperationsRevenue" xlink:type="locator" xlink:label="ston_DiscontinuedOperationsRevenue" />
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsRevenue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Discontinued operations, revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DiscontinuedOperationsRevenue" xlink:to="ston_DiscontinuedOperationsRevenue_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_DiscontinuedOperationsCostOfGoodsSold" xlink:type="locator" xlink:label="ston_DiscontinuedOperationsCostOfGoodsSold" />
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsCostOfGoodsSold_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Discontinued operations, cost of goods sold.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DiscontinuedOperationsCostOfGoodsSold" xlink:to="ston_DiscontinuedOperationsCostOfGoodsSold_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_CemeteryExpense" xlink:type="locator" xlink:label="ston_CemeteryExpense" />
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Cemetery expense.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_CemeteryExpense" xlink:to="ston_CemeteryExpense_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_DiscontinuedOperationsSellingExpense" xlink:type="locator" xlink:label="ston_DiscontinuedOperationsSellingExpense" />
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsSellingExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Discontinued operations, selling expense.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DiscontinuedOperationsSellingExpense" xlink:to="ston_DiscontinuedOperationsSellingExpense_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_DiscontinuedOperationsGeneralAndAdministrativeExpense" xlink:type="locator" xlink:label="ston_DiscontinuedOperationsGeneralAndAdministrativeExpense" />
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsGeneralAndAdministrativeExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Discontinued operations, general and administrative expense.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DiscontinuedOperationsGeneralAndAdministrativeExpense" xlink:to="ston_DiscontinuedOperationsGeneralAndAdministrativeExpense_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_DiscontinuedOperationsDepreciationAndAmortization" xlink:type="locator" xlink:label="ston_DiscontinuedOperationsDepreciationAndAmortization" />
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsDepreciationAndAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Discontinued operations, depreciation and amortization.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DiscontinuedOperationsDepreciationAndAmortization" xlink:to="ston_DiscontinuedOperationsDepreciationAndAmortization_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_FuneralHomeExpenses" xlink:type="locator" xlink:label="ston_FuneralHomeExpenses" />
    <link:label xml:lang="en-US" xlink:label="ston_FuneralHomeExpenses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Funeral home expenses.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_FuneralHomeExpenses" xlink:to="ston_FuneralHomeExpenses_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_DiscontinuedOperationsInterestExpense" xlink:type="locator" xlink:label="ston_DiscontinuedOperationsInterestExpense" />
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsInterestExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Discontinued operations interest expense.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DiscontinuedOperationsInterestExpense" xlink:to="ston_DiscontinuedOperationsInterestExpense_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisposalGroupClassificationAxis" xlink:type="locator" xlink:label="us-gaap_DisposalGroupClassificationAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupClassificationAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Disposal Group Classification</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisposalGroupClassificationAxis" xlink:to="us-gaap_DisposalGroupClassificationAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupClassificationAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Classification [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisposalGroupClassificationDomain" xlink:type="locator" xlink:label="us-gaap_DisposalGroupClassificationDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupClassificationDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Disposal Group Classification</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisposalGroupClassificationDomain" xlink:to="us-gaap_DisposalGroupClassificationDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupClassificationDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Classification [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentDiscontinuedOperationsMember" xlink:type="locator" xlink:label="us-gaap_SegmentDiscontinuedOperationsMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SegmentDiscontinuedOperationsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discontinued Operations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentDiscontinuedOperationsMember" xlink:to="us-gaap_SegmentDiscontinuedOperationsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SegmentDiscontinuedOperationsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Segment Discontinued Operations [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsRevenue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenues</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsRevenue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operations Revenue</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsCostOfGoodsSold_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Cost of goods sold</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsCostOfGoodsSold_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operations Cost Of Goods Sold</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Cemetery expense</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cemetery Expense</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsSellingExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Selling expense</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsSellingExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operations Selling Expense</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsGeneralAndAdministrativeExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">General and administrative expense</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsGeneralAndAdministrativeExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operations General And Administrative Expense</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsDepreciationAndAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Depreciation and amortization</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsDepreciationAndAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operations Depreciation And Amortization</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_FuneralHomeExpenses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Funeral home expenses</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_FuneralHomeExpenses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Funeral Home Expenses</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsInterestExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Interest expense</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DiscontinuedOperationsInterestExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operations Interest Expense</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income (loss) from discontinued operations before income taxes</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_GainLossOnSaleOfBusiness_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net gain on sale of businesses</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesAndOtherCurrentAssets" xlink:type="locator" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesAndOtherCurrentAssets" />
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesAndOtherCurrentAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation prepaid expenses and other current assets.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesAndOtherCurrentAssets" xlink:to="ston_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesAndOtherCurrentAssets_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_DisposalGroupIncludingDiscontinuedOperationLongTermAccountsReceivableNetOfAllowance" xlink:type="locator" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationLongTermAccountsReceivableNetOfAllowance" />
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationLongTermAccountsReceivableNetOfAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group Including discontinued operation long-term accounts receivable, net of allowance.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DisposalGroupIncludingDiscontinuedOperationLongTermAccountsReceivableNetOfAllowance" xlink:to="ston_DisposalGroupIncludingDiscontinuedOperationLongTermAccountsReceivableNetOfAllowance_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_DisposalGroupIncludingDiscontinuedOperationCemeteryProperty" xlink:type="locator" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationCemeteryProperty" />
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationCemeteryProperty_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group Including discontinued operation cemetery property.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DisposalGroupIncludingDiscontinuedOperationCemeteryProperty" xlink:to="ston_DisposalGroupIncludingDiscontinuedOperationCemeteryProperty_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_DisposalGroupIncludingDiscontinuedOperationMerchandiseTrustsRestrictedAtFairValue" xlink:type="locator" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationMerchandiseTrustsRestrictedAtFairValue" />
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationMerchandiseTrustsRestrictedAtFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation merchandise trusts, restricted, at fair value.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DisposalGroupIncludingDiscontinuedOperationMerchandiseTrustsRestrictedAtFairValue" xlink:to="ston_DisposalGroupIncludingDiscontinuedOperationMerchandiseTrustsRestrictedAtFairValue_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_DisposalGroupIncludingDiscontinuedOperationPerpetualCareTrustsRestrictedAtFairValue" xlink:type="locator" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationPerpetualCareTrustsRestrictedAtFairValue" />
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationPerpetualCareTrustsRestrictedAtFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation perpetual care trusts, restricted, at fair value.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DisposalGroupIncludingDiscontinuedOperationPerpetualCareTrustsRestrictedAtFairValue" xlink:to="ston_DisposalGroupIncludingDiscontinuedOperationPerpetualCareTrustsRestrictedAtFairValue_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_DisposalGroupIncludingDiscontinuedOperationDeferredSellingAndObtainingCosts" xlink:type="locator" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationDeferredSellingAndObtainingCosts" />
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationDeferredSellingAndObtainingCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation deferred selling and obtaining costs.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DisposalGroupIncludingDiscontinuedOperationDeferredSellingAndObtainingCosts" xlink:to="ston_DisposalGroupIncludingDiscontinuedOperationDeferredSellingAndObtainingCosts_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_DisposalGroupIncludingDiscontinuedOperationPerpetualCareTrustsCorpus" xlink:type="locator" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationPerpetualCareTrustsCorpus" />
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationPerpetualCareTrustsCorpus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation perpetual care trusts corpus.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DisposalGroupIncludingDiscontinuedOperationPerpetualCareTrustsCorpus" xlink:to="ston_DisposalGroupIncludingDiscontinuedOperationPerpetualCareTrustsCorpus_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DiscontinuedOperationsHeldforsaleMember" xlink:type="locator" xlink:label="us-gaap_DiscontinuedOperationsHeldforsaleMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DiscontinuedOperationsHeldforsaleMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets Held for Sale</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DiscontinuedOperationsHeldforsaleMember" xlink:to="us-gaap_DiscontinuedOperationsHeldforsaleMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DiscontinuedOperationsHeldforsaleMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operations Heldforsale [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_OtherMember" xlink:type="locator" xlink:label="ston_OtherMember" />
    <link:label xml:lang="en-US" xlink:label="ston_OtherMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Other.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_OtherMember" xlink:to="ston_OtherMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_OtherMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_OtherMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract" xlink:type="locator" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract" xlink:to="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Assets Of Disposal Group Including Discontinued Operation [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" xlink:type="locator" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current assets:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" xlink:to="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Assets Of Disposal Group Including Discontinued Operation Current [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" xlink:type="locator" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable, net of allowance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" xlink:to="us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Accounts Notes And Loans Receivable Net</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesAndOtherCurrentAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid expenses and other current assets</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesAndOtherCurrentAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Prepaid Expenses And Other Current Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:type="locator" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current assets held for sale</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:to="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Assets Of Disposal Group Including Discontinued Operation Current</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationLongTermAccountsReceivableNetOfAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term accounts receivable, net of allowance</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationLongTermAccountsReceivableNetOfAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Long Term Accounts Receivable Net Of Allowance</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationCemeteryProperty_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cemetery property</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationCemeteryProperty_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Cemetery Property</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent" xlink:type="locator" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Property and equipment, net of accumulated depreciation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent" xlink:to="us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Property Plant And Equipment Noncurrent</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationMerchandiseTrustsRestrictedAtFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Merchandise trusts, restricted, at fair value</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationMerchandiseTrustsRestrictedAtFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Merchandise Trusts Restricted At Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationPerpetualCareTrustsRestrictedAtFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Perpetual care trusts, restricted, at fair value</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationPerpetualCareTrustsRestrictedAtFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Perpetual Care Trusts Restricted At Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationDeferredSellingAndObtainingCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred selling and obtaining costs</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationDeferredSellingAndObtainingCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Deferred Selling And Obtaining Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets" xlink:type="locator" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets" xlink:to="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Other Noncurrent Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation" xlink:type="locator" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets held for sale</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation" xlink:to="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Assets Of Disposal Group Including Discontinued Operation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract" xlink:type="locator" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract" xlink:to="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities Of Disposal Group Including Discontinued Operation [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" xlink:type="locator" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current liabilities:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" xlink:to="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities Of Disposal Group Including Discontinued Operation Current [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent" xlink:type="locator" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable and accrued liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Accounts Payable And Accrued Liabilities Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities" xlink:type="locator" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other current liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities" xlink:to="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Other Current Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current liabilities held for sale</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueNoncurrent" xlink:type="locator" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueNoncurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred revenues</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueNoncurrent" xlink:to="us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueNoncurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Deferred Revenue Noncurrent</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationPerpetualCareTrustsCorpus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Perpetual care trust corpus</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DisposalGroupIncludingDiscontinuedOperationPerpetualCareTrustsCorpus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Perpetual Care Trusts Corpus</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities" xlink:type="locator" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other long-term liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities" xlink:to="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Other Noncurrent Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" xlink:type="locator" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities held for sale</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" xlink:to="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities Of Disposal Group Including Discontinued Operation</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_GainLossOnSaleOfBusinessDiscontinuedOperations" xlink:type="locator" xlink:label="ston_GainLossOnSaleOfBusinessDiscontinuedOperations" />
    <link:label xml:lang="en-US" xlink:label="ston_GainLossOnSaleOfBusinessDiscontinuedOperations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Gain loss on sale of business discontinued operations.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_GainLossOnSaleOfBusinessDiscontinuedOperations" xlink:to="ston_GainLossOnSaleOfBusinessDiscontinuedOperations_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_ProceedsFromDivestitureOfBusinessesDiscontinuedOperation" xlink:type="locator" xlink:label="ston_ProceedsFromDivestitureOfBusinessesDiscontinuedOperation" />
    <link:label xml:lang="en-US" xlink:label="ston_ProceedsFromDivestitureOfBusinessesDiscontinuedOperation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from divestiture of businesses discontinued operation.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_ProceedsFromDivestitureOfBusinessesDiscontinuedOperation" xlink:to="ston_ProceedsFromDivestitureOfBusinessesDiscontinuedOperation_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DepreciationAndAmortizationDiscontinuedOperations" xlink:type="locator" xlink:label="us-gaap_DepreciationAndAmortizationDiscontinuedOperations" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DepreciationAndAmortizationDiscontinuedOperations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation and amortization</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationAndAmortizationDiscontinuedOperations" xlink:to="us-gaap_DepreciationAndAmortizationDiscontinuedOperations_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DepreciationAndAmortizationDiscontinuedOperations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation And Amortization Discontinued Operations</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_GainLossOnSaleOfBusinessDiscontinuedOperations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gains on sales of discontinued operations businesses</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_GainLossOnSaleOfBusinessDiscontinuedOperations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Gain Loss On Sale Of Business Discontinued Operations</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalExpenditureDiscontinuedOperations" xlink:type="locator" xlink:label="us-gaap_CapitalExpenditureDiscontinuedOperations" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CapitalExpenditureDiscontinuedOperations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital expenditures</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalExpenditureDiscontinuedOperations" xlink:to="us-gaap_CapitalExpenditureDiscontinuedOperations_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CapitalExpenditureDiscontinuedOperations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital Expenditure Discontinued Operations</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ProceedsFromDivestitureOfBusinessesDiscontinuedOperation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sales of discontinued businesses</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ProceedsFromDivestitureOfBusinessesDiscontinuedOperation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Divestiture Of Businesses Discontinued Operation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableGross" xlink:type="locator" xlink:label="us-gaap_AccountsReceivableGross" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsReceivableGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer receivables</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableGross" xlink:to="us-gaap_AccountsReceivableGross_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsReceivableGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredDiscountsFinanceChargesAndInterestIncludedInReceivables" xlink:type="locator" xlink:label="us-gaap_DeferredDiscountsFinanceChargesAndInterestIncludedInReceivables" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredDiscountsFinanceChargesAndInterestIncludedInReceivables_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Unearned finance income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredDiscountsFinanceChargesAndInterestIncludedInReceivables" xlink:to="us-gaap_DeferredDiscountsFinanceChargesAndInterestIncludedInReceivables_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredDiscountsFinanceChargesAndInterestIncludedInReceivables_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Discounts Finance Charges And Interest Included In Receivables</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable" xlink:type="locator" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Allowance for doubtful accounts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForDoubtfulAccountsReceivable" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Allowance For Doubtful Accounts Receivable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableNet" xlink:type="locator" xlink:label="us-gaap_AccountsReceivableNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsReceivableNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accounts receivable, net of allowance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableNet" xlink:to="us-gaap_AccountsReceivableNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsReceivableNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable Net</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel">Less: Current portion, net of allowance</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsReceivableNetNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel">Long-term portion, net of allowance</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_AllowanceForDoubtfulAccountsReceivableAmountRelatedToAssetsHeldForSale" xlink:type="locator" xlink:label="ston_AllowanceForDoubtfulAccountsReceivableAmountRelatedToAssetsHeldForSale" />
    <link:label xml:lang="en-US" xlink:label="ston_AllowanceForDoubtfulAccountsReceivableAmountRelatedToAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Allowance for doubtful accounts receivable amount related to assets held for sale.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AllowanceForDoubtfulAccountsReceivableAmountRelatedToAssetsHeldForSale" xlink:to="ston_AllowanceForDoubtfulAccountsReceivableAmountRelatedToAssetsHeldForSale_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_AllowanceForDoubtfulAccountsReceivableBeforeAssetsHeldForSaleAdjustments" xlink:type="locator" xlink:label="ston_AllowanceForDoubtfulAccountsReceivableBeforeAssetsHeldForSaleAdjustments" />
    <link:label xml:lang="en-US" xlink:label="ston_AllowanceForDoubtfulAccountsReceivableBeforeAssetsHeldForSaleAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Allowance for doubtful accounts receivable before assets held for sale adjustments.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AllowanceForDoubtfulAccountsReceivableBeforeAssetsHeldForSaleAdjustments" xlink:to="ston_AllowanceForDoubtfulAccountsReceivableBeforeAssetsHeldForSaleAdjustments_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Accounts Notes Loans And Financing Receivable [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:to="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Accounts Notes Loans And Financing Receivable [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:type="locator" xlink:label="us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivable Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:to="us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Notes Loans And Financing Receivable By Receivable Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:type="locator" xlink:label="us-gaap_ReceivableTypeDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ReceivableTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivableTypeDomain" xlink:to="us-gaap_ReceivableTypeDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ReceivableTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Receivable Type [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_ContractCancellationsMember" xlink:type="locator" xlink:label="ston_ContractCancellationsMember" />
    <link:label xml:lang="en-US" xlink:label="ston_ContractCancellationsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Contract Cancellations [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_ContractCancellationsMember" xlink:to="ston_ContractCancellationsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_ContractCancellationsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contract Cancellations</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ContractCancellationsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contract Cancellations [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:type="locator" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts, Notes, Loans and Financing Receivable [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Notes And Loans Receivable [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward" xlink:type="locator" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for Doubtful Accounts Receivable [Roll Forward]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Allowance For Doubtful Accounts Receivable Rollforward</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AllowanceForDoubtfulAccountsReceivableBeforeAssetsHeldForSaleAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Balance, beginning of period</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AllowanceForDoubtfulAccountsReceivableBeforeAssetsHeldForSaleAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Allowance For Doubtful Accounts Receivable Before Assets Held For Sale Adjustments</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Provision for doubtful accounts</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs" xlink:type="locator" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Charge-offs, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Allowance For Doubtful Accounts Receivable Write Offs</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AllowanceForDoubtfulAccountsReceivableAmountRelatedToAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Amounts related to assets held for sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AllowanceForDoubtfulAccountsReceivableAmountRelatedToAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Allowance For Doubtful Accounts Receivable Amount Related To Assets Held For Sale</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Balance, end of period</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_CemeteryLand" xlink:type="locator" xlink:label="ston_CemeteryLand" />
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryLand_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Cemetery land.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_CemeteryLand" xlink:to="ston_CemeteryLand_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_MausoleumAndLawnCrypts" xlink:type="locator" xlink:label="ston_MausoleumAndLawnCrypts" />
    <link:label xml:lang="en-US" xlink:label="ston_MausoleumAndLawnCrypts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Mausoleum and lawn crypts.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_MausoleumAndLawnCrypts" xlink:to="ston_MausoleumAndLawnCrypts_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_CemeteryPropertyNet" xlink:type="locator" xlink:label="ston_CemeteryPropertyNet" />
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryPropertyNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Cemetery property net.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_CemeteryPropertyNet" xlink:to="ston_CemeteryPropertyNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryLand_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cemetery land</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryLand_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cemetery Land</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_MausoleumAndLawnCrypts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mausoleum crypts and lawn crypts</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_MausoleumAndLawnCrypts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Mausoleum And Lawn Crypts</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryPropertyNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cemetery property</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CemeteryPropertyNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cemetery Property Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BuildingsAndImprovementsGross" xlink:type="locator" xlink:label="us-gaap_BuildingsAndImprovementsGross" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_BuildingsAndImprovementsGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Buildings and improvements</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BuildingsAndImprovementsGross" xlink:to="us-gaap_BuildingsAndImprovementsGross_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_BuildingsAndImprovementsGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Buildings And Improvements Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FurnitureAndFixturesGross" xlink:type="locator" xlink:label="us-gaap_FurnitureAndFixturesGross" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FurnitureAndFixturesGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Furniture and equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FurnitureAndFixturesGross" xlink:to="us-gaap_FurnitureAndFixturesGross_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FurnitureAndFixturesGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Furniture And Fixtures Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Land" xlink:type="locator" xlink:label="us-gaap_Land" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_Land_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Funeral home land</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Land" xlink:to="us-gaap_Land_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_Land_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Land</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentGross" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Property and equipment, gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="us-gaap_PropertyPlantAndEquipmentGross_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:type="locator" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: Accumulated depreciation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Depreciation Depletion And Amortization Property Plant And Equipment</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Property and equipment, net of accumulated depreciation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Depreciation" xlink:type="locator" xlink:label="us-gaap_Depreciation" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_Depreciation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Depreciation" xlink:to="us-gaap_Depreciation_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_Depreciation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_PercentageOfVariableInterestEntitiesForCancellableState" xlink:type="locator" xlink:label="ston_PercentageOfVariableInterestEntitiesForCancellableState" />
    <link:label xml:lang="en-US" xlink:label="ston_PercentageOfVariableInterestEntitiesForCancellableState_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of variable interest entities for cancellable state.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_PercentageOfVariableInterestEntitiesForCancellableState" xlink:to="ston_PercentageOfVariableInterestEntitiesForCancellableState_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_MerchandiseTrustsMember" xlink:type="locator" xlink:label="ston_MerchandiseTrustsMember" />
    <link:label xml:lang="en-US" xlink:label="ston_MerchandiseTrustsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Merchandise Trusts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_MerchandiseTrustsMember" xlink:to="ston_MerchandiseTrustsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_MerchandiseTrustsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Merchandise Trusts</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_MerchandiseTrustsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Merchandise Trusts [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentTypeAxis" xlink:type="locator" xlink:label="us-gaap_InvestmentTypeAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTypeAxis" xlink:to="us-gaap_InvestmentTypeAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Investment Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:type="locator" xlink:label="us-gaap_InvestmentTypeCategorizationMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="us-gaap_InvestmentTypeCategorizationMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Investment Type Categorization [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_WestVirginiaFuneralDirectorsAssociationTrustReceivableMember" xlink:type="locator" xlink:label="ston_WestVirginiaFuneralDirectorsAssociationTrustReceivableMember" />
    <link:label xml:lang="en-US" xlink:label="ston_WestVirginiaFuneralDirectorsAssociationTrustReceivableMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">West Virginia Funeral Directors Association Trust Receivable [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_WestVirginiaFuneralDirectorsAssociationTrustReceivableMember" xlink:to="ston_WestVirginiaFuneralDirectorsAssociationTrustReceivableMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_WestVirginiaFuneralDirectorsAssociationTrustReceivableMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">West Virginia Trust Receivable</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_WestVirginiaFuneralDirectorsAssociationTrustReceivableMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">West Virginia Funeral Directors Association Trust Receivable [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:type="locator" xlink:label="us-gaap_FinancialInstrumentAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instrument</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancialInstrumentAxis" xlink:to="us-gaap_FinancialInstrumentAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instrument [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:type="locator" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instruments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_OtherThanTemporarilyImpairedSecuritiesMember" xlink:type="locator" xlink:label="ston_OtherThanTemporarilyImpairedSecuritiesMember" />
    <link:label xml:lang="en-US" xlink:label="ston_OtherThanTemporarilyImpairedSecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Other Than Temporarily Impaired Securities [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_OtherThanTemporarilyImpairedSecuritiesMember" xlink:to="ston_OtherThanTemporarilyImpairedSecuritiesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_OtherThanTemporarilyImpairedSecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Than Temporarily Impaired Securities</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_OtherThanTemporarilyImpairedSecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Than Temporarily Impaired Securities [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PercentageOfVariableInterestEntitiesForCancellableState_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of VIE for cancellable state</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PercentageOfVariableInterestEntitiesForCancellableState_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Variable Interest Entities For Cancellable State</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecurities" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trust assets, fair value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecurities" xlink:to="us-gaap_AvailableForSaleSecurities_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_DepositIntoMerchandiseTrust" xlink:type="locator" xlink:label="ston_DepositIntoMerchandiseTrust" />
    <link:label xml:lang="en-US" xlink:label="ston_DepositIntoMerchandiseTrust_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount deposited into the merchandise trust for the period. Pursuant to state law, a portion of the proceeds from pre-need sales of merchandise and services is placed in the trust until the requirements for releasing the principal are met, which is generally the delivery of merchandise or performance of services.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DepositIntoMerchandiseTrust" xlink:to="ston_DepositIntoMerchandiseTrust_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_AmountDistributedOutOfMerchandiseTrust" xlink:type="locator" xlink:label="ston_AmountDistributedOutOfMerchandiseTrust" />
    <link:label xml:lang="en-US" xlink:label="ston_AmountDistributedOutOfMerchandiseTrust_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount distributed out of the merchandise trust for the period, consisting of both principle and earnings. Pursuant to state law, a portion of the proceeds from pre-need sales of merchandise and services is placed in the trust until the requirements for releasing the principal are met, which is generally the delivery of merchandise or performance of services.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AmountDistributedOutOfMerchandiseTrust" xlink:to="ston_AmountDistributedOutOfMerchandiseTrust_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_CapitalGainLossDistribution" xlink:type="locator" xlink:label="ston_CapitalGainLossDistribution" />
    <link:label xml:lang="en-US" xlink:label="ston_CapitalGainLossDistribution_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Capital Gain (Loss) Distribution</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_CapitalGainLossDistribution" xlink:to="ston_CapitalGainLossDistribution_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_TaxExpenseOnTransactionsOccurringWithinMerchandiseTrust" xlink:type="locator" xlink:label="ston_TaxExpenseOnTransactionsOccurringWithinMerchandiseTrust" />
    <link:label xml:lang="en-US" xlink:label="ston_TaxExpenseOnTransactionsOccurringWithinMerchandiseTrust_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Tax expense on transactions occurring within the merchandise trust during the period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_TaxExpenseOnTransactionsOccurringWithinMerchandiseTrust" xlink:to="ston_TaxExpenseOnTransactionsOccurringWithinMerchandiseTrust_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_AvailableForSaleSecuritiesUnrealizedGainsLosses" xlink:type="locator" xlink:label="ston_AvailableForSaleSecuritiesUnrealizedGainsLosses" />
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesUnrealizedGainsLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">This item represents the pretax change in net unrealized holding gain (loss) on available-for-sale securities held within the trust during the period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AvailableForSaleSecuritiesUnrealizedGainsLosses" xlink:to="ston_AvailableForSaleSecuritiesUnrealizedGainsLosses_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_MerchandiseTrustsIncludingAssetsHeldForSale" xlink:type="locator" xlink:label="ston_MerchandiseTrustsIncludingAssetsHeldForSale" />
    <link:label xml:lang="en-US" xlink:label="ston_MerchandiseTrustsIncludingAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Merchandise trusts including assets held for sale.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_MerchandiseTrustsIncludingAssetsHeldForSale" xlink:to="ston_MerchandiseTrustsIncludingAssetsHeldForSale_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_MerchandiseTrusts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance, beginning of period</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DepositIntoMerchandiseTrust_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contributions</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DepositIntoMerchandiseTrust_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deposit Into Merchandise Trust</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AmountDistributedOutOfMerchandiseTrust_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Distributions</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AmountDistributedOutOfMerchandiseTrust_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Amount Distributed Out Of Merchandise Trust</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromInterestAndDividendsReceived" xlink:type="locator" xlink:label="us-gaap_ProceedsFromInterestAndDividendsReceived" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromInterestAndDividendsReceived_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest and dividends</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromInterestAndDividendsReceived" xlink:to="us-gaap_ProceedsFromInterestAndDividendsReceived_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromInterestAndDividendsReceived_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Interest And Dividends Received</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CapitalGainLossDistribution_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital gain distributions</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CapitalGainLossDistribution_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital Gain Loss Distribution</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Realized gains and losses, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet" xlink:to="us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Gross Realized Gain Loss Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities" xlink:type="locator" xlink:label="us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other than temporary impairment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities" xlink:to="us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Than Temporary Impairment Losses Investments Availableforsale Securities</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_TaxExpenseOnTransactionsOccurringWithinMerchandiseTrust_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Taxes</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_TaxExpenseOnTransactionsOccurringWithinMerchandiseTrust_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tax Expense On Transactions Occurring Within Merchandise Trust</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TrusteeFees" xlink:type="locator" xlink:label="us-gaap_TrusteeFees" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TrusteeFees_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Fees</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TrusteeFees" xlink:to="us-gaap_TrusteeFees_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TrusteeFees_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Trustee Fees</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesUnrealizedGainsLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrealized change in fair value</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesUnrealizedGainsLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Unrealized Gains Losses</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_MerchandiseTrustsIncludingAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_MerchandiseTrustsIncludingAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Merchandise Trusts Including Assets Held For Sale</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: Assets held for sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_MerchandiseTrusts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance, end of period</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_PurchaseOfAvailableForSaleSecuritiesIncludedInTrustInvestments" xlink:type="locator" xlink:label="ston_PurchaseOfAvailableForSaleSecuritiesIncludedInTrustInvestments" />
    <link:label xml:lang="en-US" xlink:label="ston_PurchaseOfAvailableForSaleSecuritiesIncludedInTrustInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The purchase of debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair values.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_PurchaseOfAvailableForSaleSecuritiesIncludedInTrustInvestments" xlink:to="ston_PurchaseOfAvailableForSaleSecuritiesIncludedInTrustInvestments_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_SaleOfAvailableForSaleSecuritiesIncludedInTrustInvestments" xlink:type="locator" xlink:label="ston_SaleOfAvailableForSaleSecuritiesIncludedInTrustInvestments" />
    <link:label xml:lang="en-US" xlink:label="ston_SaleOfAvailableForSaleSecuritiesIncludedInTrustInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The sale of debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair values.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_SaleOfAvailableForSaleSecuritiesIncludedInTrustInvestments" xlink:to="ston_SaleOfAvailableForSaleSecuritiesIncludedInTrustInvestments_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_PurchaseOfAvailableForSaleSecuritiesIncludedInTrustInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchases of available for sale securities</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PurchaseOfAvailableForSaleSecuritiesIncludedInTrustInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Purchase Of Available For Sale Securities Included In Trust Investments</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_SaleOfAvailableForSaleSecuritiesIncludedInTrustInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sales, maturities and paydowns of available for sale securities</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_SaleOfAvailableForSaleSecuritiesIncludedInTrustInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Sale Of Available For Sale Securities Included In Trust Investments</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSaleAmortizedCost" xlink:type="locator" xlink:label="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSaleAmortizedCost" />
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSaleAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Available for sale securities excluding assets held for sale amortized cost.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSaleAmortizedCost" xlink:to="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSaleAmortizedCost_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_AvailableForSaleSecuritiesAmortizedCostAssetsHeldForSale" xlink:type="locator" xlink:label="ston_AvailableForSaleSecuritiesAmortizedCostAssetsHeldForSale" />
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesAmortizedCostAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Available for sale securities amortized cost Assets held for sale.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AvailableForSaleSecuritiesAmortizedCostAssetsHeldForSale" xlink:to="ston_AvailableForSaleSecuritiesAmortizedCostAssetsHeldForSale_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermInvestmentsMember" xlink:type="locator" xlink:label="us-gaap_ShortTermInvestmentsMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShortTermInvestmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermInvestmentsMember" xlink:to="us-gaap_ShortTermInvestmentsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShortTermInvestmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Investments [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FixedMaturitiesMember" xlink:type="locator" xlink:label="us-gaap_FixedMaturitiesMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FixedMaturitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed maturities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FixedMaturitiesMember" xlink:to="us-gaap_FixedMaturitiesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FixedMaturitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fixed Maturities [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FixedIncomeFundsMember" xlink:type="locator" xlink:label="us-gaap_FixedIncomeFundsMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FixedIncomeFundsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mutual funds - debt securities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FixedIncomeFundsMember" xlink:to="us-gaap_FixedIncomeFundsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FixedIncomeFundsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fixed Income Funds [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityFundsMember" xlink:type="locator" xlink:label="us-gaap_EquityFundsMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EquityFundsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mutual funds - equity securities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityFundsMember" xlink:to="us-gaap_EquityFundsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EquityFundsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Equity Funds [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_OtherInvestmentFundsMember" xlink:type="locator" xlink:label="ston_OtherInvestmentFundsMember" />
    <link:label xml:lang="en-US" xlink:label="ston_OtherInvestmentFundsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Other Investment Funds [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_OtherInvestmentFundsMember" xlink:to="ston_OtherInvestmentFundsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_OtherInvestmentFundsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other investment funds</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_OtherInvestmentFundsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Investment Funds [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:type="locator" xlink:label="us-gaap_EquitySecuritiesMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EquitySecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity securities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquitySecuritiesMember" xlink:to="us-gaap_EquitySecuritiesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EquitySecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Equity Securities [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_OtherInvestedAssetsMember" xlink:type="locator" xlink:label="ston_OtherInvestedAssetsMember" />
    <link:label xml:lang="en-US" xlink:label="ston_OtherInvestedAssetsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Other Invested Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_OtherInvestedAssetsMember" xlink:to="ston_OtherInvestedAssetsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_OtherInvestedAssetsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other invested assets</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_OtherInvestedAssetsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Invested Assets [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_FundsManagedByTrustMember" xlink:type="locator" xlink:label="ston_FundsManagedByTrustMember" />
    <link:label xml:lang="en-US" xlink:label="ston_FundsManagedByTrustMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Funds Managed By Trust [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_FundsManagedByTrustMember" xlink:to="ston_FundsManagedByTrustMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_FundsManagedByTrustMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total investments</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_FundsManagedByTrustMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Funds Managed By Trust [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_USTreasuryAndGovernmentMember" xlink:type="locator" xlink:label="us-gaap_USTreasuryAndGovernmentMember" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:type="locator" xlink:label="us-gaap_CorporateDebtSecuritiesMember" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_CorporateDebtSecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Corporate Debt Securities [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherDebtSecuritiesMember" xlink:type="locator" xlink:label="us-gaap_OtherDebtSecuritiesMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherDebtSecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Debt Securities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherDebtSecuritiesMember" xlink:to="us-gaap_OtherDebtSecuritiesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherDebtSecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Debt Securities [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:type="locator" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value By Fair Value Hierarchy Level [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:type="locator" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Hierarchy and NAV</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:type="locator" xlink:label="us-gaap_FairValueInputsLevel1Member" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 1</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Inputs Level1 [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:type="locator" xlink:label="us-gaap_FairValueInputsLevel2Member" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 2</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Inputs Level2 [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesAmortizedCost" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cost</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:to="us-gaap_AvailableForSaleSecuritiesAmortizedCost_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Amortized Cost</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Unrealized Gains</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:to="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gross Unrealized Losses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:to="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesAmortizedCostAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Cost, Assets held for sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesAmortizedCostAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Amortized Cost Assets Held For Sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTaxAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gross Unrealized Gains, Assets held for sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTaxAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax Assets Held For Sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTaxAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Unrealized Losses,Assets held for sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTaxAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax Assets Held For Sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Fair Value, Assets held for sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Assets Held For Sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSaleAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cost, Excluding assets held for sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSaleAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Excluding Assets Held For Sale Amortized Cost</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSaleAccumulatedGrossUnrealizedGainBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Unrealized Gains, Excluding assets held for sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSaleAccumulatedGrossUnrealizedGainBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Excluding Assets Held For Sale Accumulated Gross Unrealized Gain Before Tax</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSaleAccumulatedGrossUnrealizedLossBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gross Unrealized Losses, Excluding assets held for sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSaleAccumulatedGrossUnrealizedLossBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Excluding Assets Held For Sale Accumulated Gross Unrealized Loss Before Tax</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair Value, Excluding assets held for sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Excluding Assets Held For Sale</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_NumberOfExtensionOption" xlink:type="locator" xlink:label="ston_NumberOfExtensionOption" />
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfExtensionOption_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Number Of Extension Option</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_ExtensionPeriod" xlink:type="locator" xlink:label="ston_ExtensionPeriod" />
    <link:label xml:lang="en-US" xlink:label="ston_ExtensionPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Extension Period</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionPeriodInEffect1" xlink:type="locator" xlink:label="us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionPeriodInEffect1" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionPeriodInEffect1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed income funds and equity funds, redemption period</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionPeriod" xlink:type="locator" xlink:label="us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionPeriod" />
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    <link:label xml:lang="en-US" xlink:label="ston_NumberOfExtensionOption_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of potential lockup period extensions</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfExtensionOption_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Extension Option</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ExtensionPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lockup extension period</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ExtensionPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Extension Period</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_InvestmentsClassifiedByContractualMaturityDateLineItems" xlink:type="locator" xlink:label="ston_InvestmentsClassifiedByContractualMaturityDateLineItems" />
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    <link:loc xlink:href="ston-20210331.xsd#ston_InvestmentsClassifiedByContractualMaturityDateTable" xlink:type="locator" xlink:label="ston_InvestmentsClassifiedByContractualMaturityDateTable" />
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    <link:label xml:lang="en-US" xlink:label="ston_InvestmentsClassifiedByContractualMaturityDateTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments Classified By Contractual Maturity Date [Table]</link:label>
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    <link:label xml:lang="en-US" xlink:label="ston_InvestmentsClassifiedByContractualMaturityDateLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Investments Classified By Contractual Maturity Date [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less than 1 year</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Debt Maturities Within One Year Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">1 year through 5 years</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Debt Maturities After One Through Five Years Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">6 years through 10 years</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">More than 10 years</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Debt Maturities After Ten Years Fair Value</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_InvestmentsUnrealizedLossPositionLineItems" xlink:type="locator" xlink:label="ston_InvestmentsUnrealizedLossPositionLineItems" />
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    <link:loc xlink:href="ston-20210331.xsd#ston_InvestmentsUnrealizedLossPositionTable" xlink:type="locator" xlink:label="ston_InvestmentsUnrealizedLossPositionTable" />
    <link:label xml:lang="en-US" xlink:label="ston_InvestmentsUnrealizedLossPositionTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments, Unrealized Loss Position [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_InvestmentsUnrealizedLossPositionTable" xlink:to="ston_InvestmentsUnrealizedLossPositionTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_InvestmentsUnrealizedLossPositionTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments Unrealized Loss Position [Table]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_InvestmentsUnrealizedLossPositionTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Investments Unrealized Loss Position [Table]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_InvestmentsUnrealizedLossPositionLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments, Unrealized Loss Position [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_InvestmentsUnrealizedLossPositionLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Investments Unrealized Loss Position [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less than 12 months Unrealized Losses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss" xlink:to="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">12 Months or more Unrealized Losses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss" xlink:to="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Unrealized Losses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss" xlink:to="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less than 12 months Fair Value</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">12 Months or more Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Continuous Unrealized Loss Position Fair Value</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_NumberOfSecuritiesThatIncurredOtherThanTemporaryImpairmentLosses" xlink:type="locator" xlink:label="ston_NumberOfSecuritiesThatIncurredOtherThanTemporaryImpairmentLosses" />
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfSecuritiesThatIncurredOtherThanTemporaryImpairmentLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of Securities that Incurred Other Than Temporary Impairment Losses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_NumberOfSecuritiesThatIncurredOtherThanTemporaryImpairmentLosses" xlink:to="ston_NumberOfSecuritiesThatIncurredOtherThanTemporaryImpairmentLosses_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_AvailableForSaleSecuritiesFairValueAssessesForOtherThanTemporaryImpairmentLosses" xlink:type="locator" xlink:label="ston_AvailableForSaleSecuritiesFairValueAssessesForOtherThanTemporaryImpairmentLosses" />
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesFairValueAssessesForOtherThanTemporaryImpairmentLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Available for sale securities, fair value, assesses for other-than temporary impairment losses.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AvailableForSaleSecuritiesFairValueAssessesForOtherThanTemporaryImpairmentLosses" xlink:to="ston_AvailableForSaleSecuritiesFairValueAssessesForOtherThanTemporaryImpairmentLosses_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_AvailableForSaleSecuritiesAmortizedCostAssessesForOtherThanTemporaryImpairmentLosses" xlink:type="locator" xlink:label="ston_AvailableForSaleSecuritiesAmortizedCostAssessesForOtherThanTemporaryImpairmentLosses" />
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesAmortizedCostAssessesForOtherThanTemporaryImpairmentLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Available for sale securities, amortized cost, assesses for other-than temporary impairment losses.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AvailableForSaleSecuritiesAmortizedCostAssessesForOtherThanTemporaryImpairmentLosses" xlink:to="ston_AvailableForSaleSecuritiesAmortizedCostAssessesForOtherThanTemporaryImpairmentLosses_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfSecuritiesThatIncurredOtherThanTemporaryImpairmentLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of securities that incurred other than temporary impairment losses</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_NumberOfSecuritiesThatIncurredOtherThanTemporaryImpairmentLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Securities That Incurred Other Than Temporary Impairment Losses</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesAmortizedCostAssessesForOtherThanTemporaryImpairmentLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trust assets, cost</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesAmortizedCostAssessesForOtherThanTemporaryImpairmentLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Amortized Cost Assesses For Other Than Temporary Impairment Losses</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesFairValueAssessesForOtherThanTemporaryImpairmentLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trust assets, fair value</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesFairValueAssessesForOtherThanTemporaryImpairmentLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Fair Value Assesses For Other Than Temporary Impairment Losses</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other than temporary impairments loss</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ImpairmentOfInvestments" xlink:type="locator" xlink:label="us-gaap_ImpairmentOfInvestments" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ImpairmentOfInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other than temporary impairment to investment portfolio</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_ImpairmentOfInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Impairment Of Investments</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_DepositIntoPerpetualCareTrust" xlink:type="locator" xlink:label="ston_DepositIntoPerpetualCareTrust" />
    <link:label xml:lang="en-US" xlink:label="ston_DepositIntoPerpetualCareTrust_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount deposited into the perpetual care trust for the period. Consists of a portion of the proceeds from the sale of cemetery property that must be paid into the perpetual care trusts pursuant to state law. The principal must remain in the trust into perpetuity while earnings may be released and used to defray cemetery maintenance costs.</link:label>
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    <link:label xml:lang="en-US" xlink:label="ston_AmountDistributedOutOfPerpetualCareTrust_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount distributed out of the perpetual care trust for the period, consisting of trust earnings. Pursuant to state law, a portion of the proceeds from pre-need sales of merchandise and services is placed in the trust until the requirements for releasing the principal are met, which is generally the delivery of merchandise or performance of services.</link:label>
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    <link:loc xlink:href="ston-20210331.xsd#ston_TaxExpenseOnTransactionsOccurringWithinPerpetualCareTrust" xlink:type="locator" xlink:label="ston_TaxExpenseOnTransactionsOccurringWithinPerpetualCareTrust" />
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    <link:loc xlink:href="ston-20210331.xsd#ston_PerpetualCareTrustsIncludingAssetsHeldForSale" xlink:type="locator" xlink:label="ston_PerpetualCareTrustsIncludingAssetsHeldForSale" />
    <link:label xml:lang="en-US" xlink:label="ston_PerpetualCareTrustsIncludingAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Perpetual care trusts including assets held for sale.</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt Securities, Available-for-sale [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PerpetualCareTrusts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance, beginning of period</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DepositIntoPerpetualCareTrust_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contributions</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DepositIntoPerpetualCareTrust_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deposit Into Perpetual Care Trust</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AmountDistributedOutOfPerpetualCareTrust_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Distributions</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AmountDistributedOutOfPerpetualCareTrust_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Amount Distributed Out Of Perpetual Care Trust</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_TaxExpenseOnTransactionsOccurringWithinPerpetualCareTrust_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Taxes</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_TaxExpenseOnTransactionsOccurringWithinPerpetualCareTrust_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tax Expense On Transactions Occurring Within Perpetual Care Trust</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PerpetualCareTrustsIncludingAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PerpetualCareTrustsIncludingAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Perpetual Care Trusts Including Assets Held For Sale</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PerpetualCareTrusts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance, end of period</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PerpetualCareTrustsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Perpetual care trusts</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_FundsManagedByTrustMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total Investments</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecuritiesExcludingAssetsHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Excluding assets held for sale</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_AvailableforsaleSecuritiesAmortizedCostBasis1" xlink:type="locator" xlink:label="ston_AvailableforsaleSecuritiesAmortizedCostBasis1" />
    <link:label xml:lang="en-US" xlink:label="ston_AvailableforsaleSecuritiesAmortizedCostBasis1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Available-for-sale Securities, Amortized Cost Basis1</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AvailableforsaleSecuritiesAmortizedCostBasis1" xlink:to="ston_AvailableforsaleSecuritiesAmortizedCostBasis1_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_AvailableForSaleSecurities1" xlink:type="locator" xlink:label="ston_AvailableForSaleSecurities1" />
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecurities1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Available For Sale Securities1</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AvailableForSaleSecurities1" xlink:to="ston_AvailableForSaleSecurities1_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_AvailableforsaleSecuritiesAmortizedCostBasis1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trust assets, cost</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableforsaleSecuritiesAmortizedCostBasis1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Availableforsale Securities Amortized Cost Basis1</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecurities1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trust assets, fair value</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AvailableForSaleSecurities1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities1</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Table]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_SeniorSecuredPaymentInKindToggleNotesDueTwoThousandTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">9.875%/11.500% Senior Secured PIK Toggle Notes, due June 2024</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_VehicleFinancingMember" xlink:type="locator" xlink:label="ston_VehicleFinancingMember" />
    <link:label xml:lang="en-US" xlink:label="ston_VehicleFinancingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Vehicle Financing [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_VehicleFinancingMember" xlink:to="ston_VehicleFinancingMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_VehicleFinancingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Insurance and vehicle financing</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_VehicleFinancingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Vehicle Financing [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentCarryingAmount" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term debt, gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentCarryingAmount" xlink:to="us-gaap_DebtInstrumentCarryingAmount_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Carrying Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:type="locator" xlink:label="us-gaap_DeferredFinanceCostsNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less deferred financing costs, net of accumulated amortization</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFinanceCostsNet" xlink:to="us-gaap_DeferredFinanceCostsNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Finance Costs Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebt" xlink:type="locator" xlink:label="us-gaap_LongTermDebt" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebt_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less current maturities</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel">Total long-term debt</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_DebtDisclosureLineItems" xlink:type="locator" xlink:label="ston_DebtDisclosureLineItems" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtDisclosureLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt Disclosure [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DebtDisclosureLineItems" xlink:to="ston_DebtDisclosureLineItems_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_DebtDisclosureTable" xlink:type="locator" xlink:label="ston_DebtDisclosureTable" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtDisclosureTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt Disclosure [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DebtDisclosureTable" xlink:to="ston_DebtDisclosureTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtDisclosureTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Disclosure [Table]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DebtDisclosureTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PrivatePlacementMember" xlink:type="locator" xlink:label="us-gaap_PrivatePlacementMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PrivatePlacementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Placement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrivatePlacementMember" xlink:to="us-gaap_PrivatePlacementMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PrivatePlacementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Private Placement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DebtDisclosureLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Disclosure [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DebtDisclosureLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Long-term debt, principal amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:type="locator" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term debt, debt issuance costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDebtIssuanceCosts" xlink:to="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Payments Of Debt Issuance Costs</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_AmortizationOfDeferredFinancingFees" xlink:type="locator" xlink:label="ston_AmortizationOfDeferredFinancingFees" />
    <link:label xml:lang="en-US" xlink:label="ston_AmortizationOfDeferredFinancingFees_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Amortization of deferred financing fees.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AmortizationOfDeferredFinancingFees" xlink:to="ston_AmortizationOfDeferredFinancingFees_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_AmortizationOfDeferredFinancingFees_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of deferred financing fees</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AmortizationOfDeferredFinancingFees_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Amortization Of Deferred Financing Fees</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_EquityLineItems" xlink:type="locator" xlink:label="ston_EquityLineItems" />
    <link:label xml:lang="en-US" xlink:label="ston_EquityLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Equity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_EquityLineItems" xlink:to="ston_EquityLineItems_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_EquityTable" xlink:type="locator" xlink:label="ston_EquityTable" />
    <link:label xml:lang="en-US" xlink:label="ston_EquityTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Equity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_EquityTable" xlink:to="ston_EquityTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_EquityTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity [Table]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_EquityTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PlanNameAxis" xlink:type="locator" xlink:label="us-gaap_PlanNameAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plan Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PlanNameDomain" xlink:type="locator" xlink:label="us-gaap_PlanNameDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plan Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameDomain" xlink:to="us-gaap_PlanNameDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_LongTermIncentivePlanMember" xlink:type="locator" xlink:label="ston_LongTermIncentivePlanMember" />
    <link:label xml:lang="en-US" xlink:label="ston_LongTermIncentivePlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Long-term incentive plan.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_LongTermIncentivePlanMember" xlink:to="ston_LongTermIncentivePlanMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_LongTermIncentivePlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term Incentive Plan</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_LongTermIncentivePlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Incentive Plan [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AwardTypeAxis" xlink:type="locator" xlink:label="us-gaap_AwardTypeAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AwardTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Award Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_AwardTypeAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AwardTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Award Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Award Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockOptionMember" xlink:type="locator" xlink:label="us-gaap_StockOptionMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockOptionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock Option</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockOptionMember" xlink:to="us-gaap_StockOptionMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockOptionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stock Option [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_NonQualifiedStockOptionsMember" xlink:type="locator" xlink:label="ston_NonQualifiedStockOptionsMember" />
    <link:label xml:lang="en-US" xlink:label="ston_NonQualifiedStockOptionsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non Qualified Stock Options</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_NonQualifiedStockOptionsMember" xlink:to="ston_NonQualifiedStockOptionsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_NonQualifiedStockOptionsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Non Qualified Stock Options [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_RestrictedStockAndRestrictedPhantomStockMember" xlink:type="locator" xlink:label="ston_RestrictedStockAndRestrictedPhantomStockMember" />
    <link:label xml:lang="en-US" xlink:label="ston_RestrictedStockAndRestrictedPhantomStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Restricted stock and restricted phantom stock.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_RestrictedStockAndRestrictedPhantomStockMember" xlink:to="ston_RestrictedStockAndRestrictedPhantomStockMember_lbl" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value Roll Forward</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Total non-vested at December 31, 2020 (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Granted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vested</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Total non-vested at March 31, 2021 (in shares)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:type="locator" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unamortized compensation cost related to unvested restricted stock awards</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenuePracticalExpedientIncrementalCostOfObtainingContract" xlink:type="locator" xlink:label="us-gaap_RevenuePracticalExpedientIncrementalCostOfObtainingContract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RevenuePracticalExpedientIncrementalCostOfObtainingContract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue, practical expedient, incremental cost of obtaining contract [true false]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenuePracticalExpedientIncrementalCostOfObtainingContract" xlink:to="us-gaap_RevenuePracticalExpedientIncrementalCostOfObtainingContract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RevenuePracticalExpedientIncrementalCostOfObtainingContract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Revenue Practical Expedient Incremental Cost Of Obtaining Contract</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_DeferredContractRevenues" xlink:type="locator" xlink:label="ston_DeferredContractRevenues" />
    <link:label xml:lang="en-US" xlink:label="ston_DeferredContractRevenues_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred contract revenues.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DeferredContractRevenues" xlink:to="ston_DeferredContractRevenues_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_ContractWithCustomerLiabilityVariableInterestEntities" xlink:type="locator" xlink:label="ston_ContractWithCustomerLiabilityVariableInterestEntities" />
    <link:label xml:lang="en-US" xlink:label="ston_ContractWithCustomerLiabilityVariableInterestEntities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Contract with customer liability variable interest entities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_ContractWithCustomerLiabilityVariableInterestEntities" xlink:to="ston_ContractWithCustomerLiabilityVariableInterestEntities_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_DeferredUnrealizedGainsLossesOfVariableInterestEntities" xlink:type="locator" xlink:label="ston_DeferredUnrealizedGainsLossesOfVariableInterestEntities" />
    <link:label xml:lang="en-US" xlink:label="ston_DeferredUnrealizedGainsLossesOfVariableInterestEntities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred Unrealized Gains Losses of Variable Interest Entities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DeferredUnrealizedGainsLossesOfVariableInterestEntities" xlink:to="ston_DeferredUnrealizedGainsLossesOfVariableInterestEntities_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_DeferredContractRevenues_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred contract revenues</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DeferredContractRevenues_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Contract Revenues</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ContractWithCustomerLiabilityVariableInterestEntities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred merchandise trust revenue</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ContractWithCustomerLiabilityVariableInterestEntities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contract With Customer Liability Variable Interest Entities</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DeferredUnrealizedGainsLossesOfVariableInterestEntities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred merchandise trust unrealized gains (losses)</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DeferredUnrealizedGainsLossesOfVariableInterestEntities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Unrealized Gains Losses Of Variable Interest Entities</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractWithCustomerLiabilityNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred revenues</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer contract liabilities, revenue recognized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized" xlink:to="us-gaap_ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contract With Customer Liability Change In Timeframe Performance Obligation Satisfied Revenue Recognized</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_ContractWithCustomerLiabilityIncludingRemainingPerformanceObligation" xlink:type="locator" xlink:label="ston_ContractWithCustomerLiabilityIncludingRemainingPerformanceObligation" />
    <link:label xml:lang="en-US" xlink:label="ston_ContractWithCustomerLiabilityIncludingRemainingPerformanceObligation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Contract with customer liability including remaining performance obligation.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_ContractWithCustomerLiabilityIncludingRemainingPerformanceObligation" xlink:to="ston_ContractWithCustomerLiabilityIncludingRemainingPerformanceObligation_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_ContractWithCustomerLiabilityIncludingRemainingPerformanceObligation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Customer contract liabilities, gross</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ContractWithCustomerLiabilityIncludingRemainingPerformanceObligation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contract With Customer Liability Including Remaining Performance Obligation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligation" xlink:type="locator" xlink:label="us-gaap_RevenueRemainingPerformanceObligation" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RevenueRemainingPerformanceObligation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Amounts due from customers for unfulfilled performance obligations on cancellable pre-need contracts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRemainingPerformanceObligation" xlink:to="us-gaap_RevenueRemainingPerformanceObligation_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RevenueRemainingPerformanceObligation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Revenue Remaining Performance Obligation</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractWithCustomerLiabilityNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Customer contract liabilities, net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable" xlink:type="locator" xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable" xlink:to="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Table]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_PerformancePeriodAxis" xlink:type="locator" xlink:label="ston_PerformancePeriodAxis" />
    <link:label xml:lang="en-US" xlink:label="ston_PerformancePeriodAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Performance Period [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_PerformancePeriodAxis" xlink:to="ston_PerformancePeriodAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_PerformancePeriodAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Performance Period</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PerformancePeriodAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Performance Period [Axis]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_PerformancePeriodDomain" xlink:type="locator" xlink:label="ston_PerformancePeriodDomain" />
    <link:label xml:lang="en-US" xlink:label="ston_PerformancePeriodDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Performance Period [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_PerformancePeriodDomain" xlink:to="ston_PerformancePeriodDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_PerformancePeriodDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Performance Period</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PerformancePeriodDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Performance Period [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_PerformanceOneMember" xlink:type="locator" xlink:label="ston_PerformanceOneMember" />
    <link:label xml:lang="en-US" xlink:label="ston_PerformanceOneMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Performance One [Member].</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_PerformanceOneMember" xlink:to="ston_PerformanceOneMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_PerformanceOneMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First 4-5years</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PerformanceOneMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Performance One [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_PerformanceTwoMember" xlink:type="locator" xlink:label="ston_PerformanceTwoMember" />
    <link:label xml:lang="en-US" xlink:label="ston_PerformanceTwoMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Performance Two [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_PerformanceTwoMember" xlink:to="ston_PerformanceTwoMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_PerformanceTwoMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Within 18 years</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PerformanceTwoMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Performance Two [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems" xlink:type="locator" xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems" xlink:to="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationPercentage" xlink:type="locator" xlink:label="us-gaap_RevenueRemainingPerformanceObligationPercentage" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RevenueRemainingPerformanceObligationPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue, remaining performance obligation, percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRemainingPerformanceObligationPercentage" xlink:to="us-gaap_RevenueRemainingPerformanceObligationPercentage_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RevenueRemainingPerformanceObligationPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Revenue Remaining Performance Obligation Percentage</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_ManagementAgreementFutureMinimumPaymentsDueLineItems" xlink:type="locator" xlink:label="ston_ManagementAgreementFutureMinimumPaymentsDueLineItems" />
    <link:label xml:lang="en-US" xlink:label="ston_ManagementAgreementFutureMinimumPaymentsDueLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Management Agreement Future Minimum Payments Due [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_ManagementAgreementFutureMinimumPaymentsDueLineItems" xlink:to="ston_ManagementAgreementFutureMinimumPaymentsDueLineItems_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_CommitmentAndContingenciesTable" xlink:type="locator" xlink:label="ston_CommitmentAndContingenciesTable" />
    <link:label xml:lang="en-US" xlink:label="ston_CommitmentAndContingenciesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitment And Contingencies [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_CommitmentAndContingenciesTable" xlink:to="ston_CommitmentAndContingenciesTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_CommitmentAndContingenciesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitment And Contingencies [Table]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CommitmentAndContingenciesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commitment And Contingencies [Table]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_MasterServicesAgreementMember" xlink:type="locator" xlink:label="ston_MasterServicesAgreementMember" />
    <link:label xml:lang="en-US" xlink:label="ston_MasterServicesAgreementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Master services agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_MasterServicesAgreementMember" xlink:to="ston_MasterServicesAgreementMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_MasterServicesAgreementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Master Services Agreement</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_MasterServicesAgreementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Master Services Agreement [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_MoonLandscapingIncorporationMember" xlink:type="locator" xlink:label="ston_MoonLandscapingIncorporationMember" />
    <link:label xml:lang="en-US" xlink:label="ston_MoonLandscapingIncorporationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Moon Landscaping Incorporation.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_MoonLandscapingIncorporationMember" xlink:to="ston_MoonLandscapingIncorporationMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_MoonLandscapingIncorporationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Moon Landscaping, Inc.</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_MoonLandscapingIncorporationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Moon Landscaping Incorporation [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ManagementAgreementFutureMinimumPaymentsDueLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Management Agreement Future Minimum Payments Due [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ManagementAgreementFutureMinimumPaymentsDueLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Management Agreement Future Minimum Payments Due [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractualObligationDueInNextTwelveMonths" xlink:type="locator" xlink:label="us-gaap_ContractualObligationDueInNextTwelveMonths" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractualObligationDueInNextTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2021</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractualObligationDueInNextTwelveMonths" xlink:to="us-gaap_ContractualObligationDueInNextTwelveMonths_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractualObligationDueInNextTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contractual Obligation Due In Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractualObligationDueInSecondYear" xlink:type="locator" xlink:label="us-gaap_ContractualObligationDueInSecondYear" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractualObligationDueInSecondYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2022</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractualObligationDueInSecondYear" xlink:to="us-gaap_ContractualObligationDueInSecondYear_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractualObligationDueInSecondYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contractual Obligation Due In Second Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractualObligationDueInThirdYear" xlink:type="locator" xlink:label="us-gaap_ContractualObligationDueInThirdYear" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractualObligationDueInThirdYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2023</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractualObligationDueInThirdYear" xlink:to="us-gaap_ContractualObligationDueInThirdYear_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractualObligationDueInThirdYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contractual Obligation Due In Third Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractualObligationDueInFourthYear" xlink:type="locator" xlink:label="us-gaap_ContractualObligationDueInFourthYear" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractualObligationDueInFourthYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractualObligationDueInFourthYear" xlink:to="us-gaap_ContractualObligationDueInFourthYear_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractualObligationDueInFourthYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contractual Obligation Due In Fourth Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractualObligation" xlink:type="locator" xlink:label="us-gaap_ContractualObligation" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractualObligation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractualObligation" xlink:to="us-gaap_ContractualObligation_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractualObligation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contractual Obligation</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_AgreementWithoutCauseTerminationEquipmentCreditFeePayableEachYear" xlink:type="locator" xlink:label="ston_AgreementWithoutCauseTerminationEquipmentCreditFeePayableEachYear" />
    <link:label xml:lang="en-US" xlink:label="ston_AgreementWithoutCauseTerminationEquipmentCreditFeePayableEachYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Agreement without cause termination equipment credit fee payable each year.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AgreementWithoutCauseTerminationEquipmentCreditFeePayableEachYear" xlink:to="ston_AgreementWithoutCauseTerminationEquipmentCreditFeePayableEachYear_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_CommitmentsAndContingenciesLineItems" xlink:type="locator" xlink:label="ston_CommitmentsAndContingenciesLineItems" />
    <link:label xml:lang="en-US" xlink:label="ston_CommitmentsAndContingenciesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitments and Contingencies [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_CommitmentsAndContingenciesLineItems" xlink:to="ston_CommitmentsAndContingenciesLineItems_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:type="locator" xlink:label="us-gaap_BusinessAcquisitionAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Acquisition</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionAxis" xlink:to="us-gaap_BusinessAcquisitionAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:type="locator" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Acquisition, Acquiree</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition Acquiree [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_SecondQuarterTwentyFourteenAcquisitionMember" xlink:type="locator" xlink:label="ston_SecondQuarterTwentyFourteenAcquisitionMember" />
    <link:label xml:lang="en-US" xlink:label="ston_SecondQuarterTwentyFourteenAcquisitionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Second Quarter Twenty Fourteen Acquisition [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_SecondQuarterTwentyFourteenAcquisitionMember" xlink:to="ston_SecondQuarterTwentyFourteenAcquisitionMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_SecondQuarterTwentyFourteenAcquisitionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Second Quarter Twenty Fourteen Acquisition</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_SecondQuarterTwentyFourteenAcquisitionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Second Quarter Twenty Fourteen Acquisition [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CommitmentsAndContingenciesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments And Contingencies [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CommitmentsAndContingenciesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commitments And Contingencies [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AgreementWithoutCauseTerminationEquipmentCreditFeePayableEachYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Agreement without cause termination equipment credit fee payable</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AgreementWithoutCauseTerminationEquipmentCreditFeePayableEachYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Agreement Without Cause Termination Equipment Credit Fee Payable Each Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractTerminationClaimsDescription" xlink:type="locator" xlink:label="us-gaap_ContractTerminationClaimsDescription" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractTerminationClaimsDescription_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Agreement termination description</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractTerminationClaimsDescription" xlink:to="us-gaap_ContractTerminationClaimsDescription_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractTerminationClaimsDescription_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contract Termination Claims Description</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate fixed rent payment to landlord</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Leases Future Minimum Payments Due</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_GroundLeasePaymentsPerYear" xlink:type="locator" xlink:label="ston_GroundLeasePaymentsPerYear" />
    <link:label xml:lang="en-US" xlink:label="ston_GroundLeasePaymentsPerYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Ground Lease Payments Per Year</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_GroundLeasePaymentsPerYear" xlink:to="ston_GroundLeasePaymentsPerYear_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_TwoThousandFourteenAcquisitionsMember" xlink:type="locator" xlink:label="ston_TwoThousandFourteenAcquisitionsMember" />
    <link:label xml:lang="en-US" xlink:label="ston_TwoThousandFourteenAcquisitionsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Two Thousand Fourteen Acquisitions [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_TwoThousandFourteenAcquisitionsMember" xlink:to="ston_TwoThousandFourteenAcquisitionsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_TwoThousandFourteenAcquisitionsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Two Thousand Fourteen Acquisitions Member</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_TwoThousandFourteenAcquisitionsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand Fourteen Acquisitions [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherCommitmentsAxis" xlink:type="locator" xlink:label="us-gaap_OtherCommitmentsAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherCommitmentsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Commitments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherCommitmentsAxis" xlink:to="us-gaap_OtherCommitmentsAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherCommitmentsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Commitments [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherCommitmentsDomain" xlink:type="locator" xlink:label="us-gaap_OtherCommitmentsDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherCommitmentsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Commitments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherCommitmentsDomain" xlink:to="us-gaap_OtherCommitmentsDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherCommitmentsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Commitments [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_PeriodFourMember" xlink:type="locator" xlink:label="ston_PeriodFourMember" />
    <link:label xml:lang="en-US" xlink:label="ston_PeriodFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Period 4 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_PeriodFourMember" xlink:to="ston_PeriodFourMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_PeriodFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lease Years 1-5</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PeriodFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Period Four [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_PeriodFiveMember" xlink:type="locator" xlink:label="ston_PeriodFiveMember" />
    <link:label xml:lang="en-US" xlink:label="ston_PeriodFiveMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Period 5 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_PeriodFiveMember" xlink:to="ston_PeriodFiveMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_PeriodFiveMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lease Years 6-20</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PeriodFiveMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Period Five [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_PeriodSixMember" xlink:type="locator" xlink:label="ston_PeriodSixMember" />
    <link:label xml:lang="en-US" xlink:label="ston_PeriodSixMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Period 6 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_PeriodSixMember" xlink:to="ston_PeriodSixMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_PeriodSixMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lease Years 21-25</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PeriodSixMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Period Six [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_PeriodSevenMember" xlink:type="locator" xlink:label="ston_PeriodSevenMember" />
    <link:label xml:lang="en-US" xlink:label="ston_PeriodSevenMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Period 7 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_PeriodSevenMember" xlink:to="ston_PeriodSevenMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_PeriodSevenMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lease Years 26- 35</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PeriodSevenMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Period Seven [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_RangeEightMember" xlink:type="locator" xlink:label="ston_RangeEightMember" />
    <link:label xml:lang="en-US" xlink:label="ston_RangeEightMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Range Eight [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_RangeEightMember" xlink:to="ston_RangeEightMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_RangeEightMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lease Years 36-60</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_RangeEightMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Range Eight [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_GroundLeasePaymentsPerYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ground Lease Payments Per Year</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_GroundLeasePaymentsPerYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Ground Lease Payments Per Year</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_FixedRentForLeaseTermDeferred" xlink:type="locator" xlink:label="ston_FixedRentForLeaseTermDeferred" />
    <link:label xml:lang="en-US" xlink:label="ston_FixedRentForLeaseTermDeferred_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Fixed Rent For Lease Term Deferred</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_FixedRentForLeaseTermDeferred" xlink:to="ston_FixedRentForLeaseTermDeferred_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredRentCredit" xlink:type="locator" xlink:label="us-gaap_DeferredRentCredit" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredRentCredit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred fixed rent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredRentCredit" xlink:to="us-gaap_DeferredRentCredit_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredRentCredit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Rent Credit</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_FixedRentForLeaseTermDeferred_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed rent for lease term deferred</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_FixedRentForLeaseTermDeferred_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fixed Rent For Lease Term Deferred</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeLeaseDescriptionTable" xlink:type="locator" xlink:label="us-gaap_LesseeLeaseDescriptionTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeLeaseDescriptionTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lessee Lease Description [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeLeaseDescriptionTable" xlink:to="us-gaap_LesseeLeaseDescriptionTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeLeaseDescriptionTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Lease Description [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeLeaseDescriptionLineItems" xlink:type="locator" xlink:label="us-gaap_LesseeLeaseDescriptionLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeLeaseDescriptionLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lessee Lease Description [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeLeaseDescriptionLineItems" xlink:to="us-gaap_LesseeLeaseDescriptionLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeLeaseDescriptionLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Lease Description [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SaleLeasebackTransactionDescriptionOfAssetS" xlink:type="locator" xlink:label="us-gaap_SaleLeasebackTransactionDescriptionOfAssetS" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SaleLeasebackTransactionDescriptionOfAssetS_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of sale-leaseback related to warehouses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SaleLeasebackTransactionDescriptionOfAssetS" xlink:to="us-gaap_SaleLeasebackTransactionDescriptionOfAssetS_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SaleLeasebackTransactionDescriptionOfAssetS_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Sale Leaseback Transaction Description Of Asset S</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_LeaseRightOfUseAssetsAbstract" xlink:type="locator" xlink:label="ston_LeaseRightOfUseAssetsAbstract" />
    <link:label xml:lang="en-US" xlink:label="ston_LeaseRightOfUseAssetsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Lease right of use assets.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_LeaseRightOfUseAssetsAbstract" xlink:to="ston_LeaseRightOfUseAssetsAbstract_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_OperatingAndFinanceLeaseRightOfUseAsset" xlink:type="locator" xlink:label="ston_OperatingAndFinanceLeaseRightOfUseAsset" />
    <link:label xml:lang="en-US" xlink:label="ston_OperatingAndFinanceLeaseRightOfUseAsset_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating and finance lease right of use asset.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_OperatingAndFinanceLeaseRightOfUseAsset" xlink:to="ston_OperatingAndFinanceLeaseRightOfUseAsset_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_CurrentPortionOfLeaseLiabilitiesAbstract" xlink:type="locator" xlink:label="ston_CurrentPortionOfLeaseLiabilitiesAbstract" />
    <link:label xml:lang="en-US" xlink:label="ston_CurrentPortionOfLeaseLiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Current portion of lease liabilities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_CurrentPortionOfLeaseLiabilitiesAbstract" xlink:to="ston_CurrentPortionOfLeaseLiabilitiesAbstract_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_NonCurrentPortionOfLeaseLiabilitiesAbstract" xlink:type="locator" xlink:label="ston_NonCurrentPortionOfLeaseLiabilitiesAbstract" />
    <link:label xml:lang="en-US" xlink:label="ston_NonCurrentPortionOfLeaseLiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Non-current portion of lease liabilities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_NonCurrentPortionOfLeaseLiabilitiesAbstract" xlink:to="ston_NonCurrentPortionOfLeaseLiabilitiesAbstract_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_LeaseLiabilities" xlink:type="locator" xlink:label="ston_LeaseLiabilities" />
    <link:label xml:lang="en-US" xlink:label="ston_LeaseLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Lease liabilities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_LeaseLiabilities" xlink:to="ston_LeaseLiabilities_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_LeaseRightOfUseAssetsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets:</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_LeaseRightOfUseAssetsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lease Right Of Use Assets [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseRightOfUseAsset" xlink:to="us-gaap_OperatingLeaseRightOfUseAsset_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease Right Of Use Asset</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAsset" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseRightOfUseAsset" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseRightOfUseAsset_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseRightOfUseAsset" xlink:to="us-gaap_FinanceLeaseRightOfUseAsset_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseRightOfUseAsset_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Right Of Use Asset</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_OperatingAndFinanceLeaseRightOfUseAsset_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total ROU assets</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_OperatingAndFinanceLeaseRightOfUseAsset_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating And Finance Lease Right Of Use Asset</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CurrentPortionOfLeaseLiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current Liabilities:</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CurrentPortionOfLeaseLiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Current Portion Of Lease Liabilities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityCurrent" xlink:to="us-gaap_OperatingLeaseLiabilityCurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease Liability Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Lease Liability Current Statement Of Financial Position [Extensible List]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList" xlink:to="us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease Liability Current Statement Of Financial Position Extensible List</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityCurrent" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityCurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityCurrent" xlink:to="us-gaap_FinanceLeaseLiabilityCurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Liability Current</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_NonCurrentPortionOfLeaseLiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_NonCurrentPortionOfLeaseLiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Non Current Portion Of Lease Liabilities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:to="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease Liability Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Lease Liability Noncurrent Statement Of Financial Position [Extensible List]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList" xlink:to="us-gaap_OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityNoncurrent" xlink:to="us-gaap_FinanceLeaseLiabilityNoncurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Liability Noncurrent</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_LeaseLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total lease liabilities</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_LeaseLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lease Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease weighted-average discount rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:to="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease Weighted Average Discount Rate Percent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finance lease weighted-average discount rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent" xlink:to="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Weighted Average Discount Rate Percent</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_OperatingLeaseCostsAbstract" xlink:type="locator" xlink:label="ston_OperatingLeaseCostsAbstract" />
    <link:label xml:lang="en-US" xlink:label="ston_OperatingLeaseCostsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating lease costs.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_OperatingLeaseCostsAbstract" xlink:to="ston_OperatingLeaseCostsAbstract_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_FinanceLeaseCostsAbstract" xlink:type="locator" xlink:label="ston_FinanceLeaseCostsAbstract" />
    <link:label xml:lang="en-US" xlink:label="ston_FinanceLeaseCostsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Finance lease costs.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_FinanceLeaseCostsAbstract" xlink:to="ston_FinanceLeaseCostsAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:type="locator" xlink:label="us-gaap_IncomeStatementLocationAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Statement Location</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementLocationAxis" xlink:to="us-gaap_IncomeStatementLocationAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement Location [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:type="locator" xlink:label="us-gaap_IncomeStatementLocationDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Statement Location</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="us-gaap_IncomeStatementLocationDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement Location [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GeneralAndAdministrativeExpenseMember" xlink:type="locator" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">General and Administrative Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralAndAdministrativeExpenseMember" xlink:to="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">General And Administrative Expense [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestExpenseMember" xlink:type="locator" xlink:label="us-gaap_InterestExpenseMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InterestExpenseMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseMember" xlink:to="us-gaap_InterestExpenseMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InterestExpenseMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:type="locator" xlink:label="us-gaap_BalanceSheetLocationAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Balance Sheet Location</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BalanceSheetLocationAxis" xlink:to="us-gaap_BalanceSheetLocationAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Balance Sheet Location [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:type="locator" xlink:label="us-gaap_BalanceSheetLocationDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Balance Sheet Location</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BalanceSheetLocationDomain" xlink:to="us-gaap_BalanceSheetLocationDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Balance Sheet Location [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_DepreciationAndAmortizationMember" xlink:type="locator" xlink:label="ston_DepreciationAndAmortizationMember" />
    <link:label xml:lang="en-US" xlink:label="ston_DepreciationAndAmortizationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Depreciation and amortization.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DepreciationAndAmortizationMember" xlink:to="ston_DepreciationAndAmortizationMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_DepreciationAndAmortizationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation and Amortization</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DepreciationAndAmortizationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation And Amortization [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_OperatingLeaseCostsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lease cost</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_OperatingLeaseCostsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease Costs [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseCost" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseCost" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseCost" xlink:to="us-gaap_OperatingLeaseCost_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease Cost</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_FinanceLeaseCostsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finance lease costs</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_FinanceLeaseCostsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Costs [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetAmortization" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of leased assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseRightOfUseAssetAmortization" xlink:to="us-gaap_FinanceLeaseRightOfUseAssetAmortization_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Right Of Use Asset Amortization</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseInterestExpense" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseInterestExpense" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseInterestExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest on lease liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseInterestExpense" xlink:to="us-gaap_FinanceLeaseInterestExpense_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseInterestExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Interest Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermLeaseCost" xlink:type="locator" xlink:label="us-gaap_ShortTermLeaseCost" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShortTermLeaseCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term lease costs(2)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermLeaseCost" xlink:to="us-gaap_ShortTermLeaseCost_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShortTermLeaseCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Lease Cost</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeaseCost" xlink:type="locator" xlink:label="us-gaap_LeaseCost" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LeaseCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net lease costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseCost" xlink:to="us-gaap_LeaseCost_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LeaseCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lease Cost</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_TermOfShortTermLease" xlink:type="locator" xlink:label="ston_TermOfShortTermLease" />
    <link:label xml:lang="en-US" xlink:label="ston_TermOfShortTermLease_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Term of short term lease.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_TermOfShortTermLease" xlink:to="ston_TermOfShortTermLease_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_TermOfShortTermLease_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Term of short term lease</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_TermOfShortTermLease_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Term Of Short Term Lease</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:to="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease Liabilities Payments Due [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2021</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Operating Lease Liability Payments Remainder Of Fiscal Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2022</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Operating Lease Liability Payments Due Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2023</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Operating Lease Liability Payments Due Year Two</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Operating Lease Liability Payments Due Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Operating Lease Liability Payments Due Year Four</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Operating Lease Liability Payments Due After Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Operating Lease Liability Payments Due Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Operating Lease Liability Payments Due After Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Operating Lease Liability Payments Due</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Operating Lease Liability Undiscounted Excess Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiability" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Present value of lease liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiability" xlink:to="us-gaap_OperatingLeaseLiability_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease Liability</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Lease Liability Statement Of Financial Position [Extensible List]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList" xlink:to="us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease Liability Statement Of Financial Position Extensible List</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract" xlink:to="us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Liabilities Payments Due [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2021</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Liability Payments Remainder Of Fiscal Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2022</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Liability Payments Due Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2023</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Liability Payments Due Year Two</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Liability Payments Due Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Liability Payments Due Year Four</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_FinanceLeaseLiabilityPaymentsDueAfterYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_FinanceLeaseLiabilityPaymentsDueAfterYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Liability Payments Due After Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Liability Payments Due Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Liability Payments Due After Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDue" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDue_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Liability Payments Due</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount" xlink:to="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Liability Undiscounted Excess Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiability" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiability" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Present value of lease liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiability" xlink:to="us-gaap_FinanceLeaseLiability_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Liability</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_LeasePayments" xlink:type="locator" xlink:label="ston_LeasePayments" />
    <link:label xml:lang="en-US" xlink:label="ston_LeasePayments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Lease payments.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_LeasePayments" xlink:to="ston_LeasePayments_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_LeasePayments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease payments</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_LeasePayments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lease Payments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ResidualValueOfLeasedAsset" xlink:type="locator" xlink:label="us-gaap_ResidualValueOfLeasedAsset" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ResidualValueOfLeasedAsset_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Residual value guarantees</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResidualValueOfLeasedAsset" xlink:to="us-gaap_ResidualValueOfLeasedAsset_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ResidualValueOfLeasedAsset_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Residual Value Of Leased Asset</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease, weighted average remaining lease term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:to="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease Weighted Average Remaining Lease Term1</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finance lease, weighted average remaining lease term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1" xlink:to="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Lease Weighted Average Remaining Lease Term1</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedDescription" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedDescription" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedDescription_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lessee, operating lease, not yet commenced, description</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedDescription" xlink:to="us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedDescription_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedDescription_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Lessee Operating Lease Lease Not Yet Commenced Description</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:type="locator" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:type="locator" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NotesPayableFairValueDisclosure" xlink:type="locator" xlink:label="us-gaap_NotesPayableFairValueDisclosure" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NotesPayableFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Notes payable, fair value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesPayableFairValueDisclosure" xlink:to="us-gaap_NotesPayableFairValueDisclosure_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NotesPayableFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Notes Payable Fair Value Disclosure</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NotesPayable" xlink:type="locator" xlink:label="us-gaap_NotesPayable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NotesPayable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Notes payable, carrying value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesPayable" xlink:to="us-gaap_NotesPayable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NotesPayable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Notes Payable</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_CondensedFinancialInformationOfSubsidiariesDisclosureAbstract" xlink:type="locator" xlink:label="ston_CondensedFinancialInformationOfSubsidiariesDisclosureAbstract" />
    <link:label xml:lang="en-US" xlink:label="ston_CondensedFinancialInformationOfSubsidiariesDisclosureAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Condensed Financial Information of Subsidiaries Disclosure [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_CondensedFinancialInformationOfSubsidiariesDisclosureAbstract" xlink:to="ston_CondensedFinancialInformationOfSubsidiariesDisclosureAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_CondensedFinancialInformationOfSubsidiariesDisclosureAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Financial Information Of Subsidiaries Disclosure [Abstract]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_ScheduleOfCondensedFinancialInformationOfSubsidiariesLineItems" xlink:type="locator" xlink:label="ston_ScheduleOfCondensedFinancialInformationOfSubsidiariesLineItems" />
    <link:label xml:lang="en-US" xlink:label="ston_ScheduleOfCondensedFinancialInformationOfSubsidiariesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of condensed financial information of subsidiaries.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_ScheduleOfCondensedFinancialInformationOfSubsidiariesLineItems" xlink:to="ston_ScheduleOfCondensedFinancialInformationOfSubsidiariesLineItems_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_ScheduleOfCondensedFinancialInformationOfSubsidiariesTable" xlink:type="locator" xlink:label="ston_ScheduleOfCondensedFinancialInformationOfSubsidiariesTable" />
    <link:label xml:lang="en-US" xlink:label="ston_ScheduleOfCondensedFinancialInformationOfSubsidiariesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of condensed financial information of subsidiaries.</link:label>
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    <link:label xml:lang="en-US" xlink:label="ston_ScheduleOfCondensedFinancialInformationOfSubsidiariesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Condensed Financial Information Of Subsidiaries [Table]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ParentCompanyMember" xlink:type="locator" xlink:label="srt_ParentCompanyMember" />
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    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_PartnershipInterestMember" xlink:type="locator" xlink:label="srt_PartnershipInterestMember" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:type="locator" xlink:label="us-gaap_OperatingSegmentsMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingSegmentsMember" xlink:to="us-gaap_OperatingSegmentsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Segments [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CorporateNonSegmentMember" xlink:type="locator" xlink:label="us-gaap_CorporateNonSegmentMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CorporateNonSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Corporate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CorporateNonSegmentMember" xlink:to="us-gaap_CorporateNonSegmentMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CorporateNonSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Corporate Non Segment [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:type="locator" xlink:label="us-gaap_SegmentReportingInformationLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Reporting Information [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_SegmentReportingInformationLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting Information [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingCostsAndExpenses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Operating costs and expenses</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Depreciation and amortization</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CorporateOverheadExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Corporate overhead</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CorporateDepreciationAndAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Corporate depreciation and amortization</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_CorporateDepreciationAndAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Corporate Depreciation And Amortization</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital expenditures</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_Assets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total assets</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total assets held for sale</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_IncreaseDecreaseInAccountsReceivableFromSales" xlink:type="locator" xlink:label="ston_IncreaseDecreaseInAccountsReceivableFromSales" />
    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInAccountsReceivableFromSales_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase (Decrease) In Accounts Receivable From Sales</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_IncreaseDecreaseInAccountsReceivableFromSales" xlink:to="ston_IncreaseDecreaseInAccountsReceivableFromSales_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_IncreaseDecreaseInAccountsReceivableFromCollection" xlink:type="locator" xlink:label="ston_IncreaseDecreaseInAccountsReceivableFromCollection" />
    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInAccountsReceivableFromCollection_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">(Increase) Decrease In Accounts Receivable From Collection</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_IncreaseDecreaseInAccountsReceivableFromCollection" xlink:to="ston_IncreaseDecreaseInAccountsReceivableFromCollection_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_ProceedsFromRealizedIncomeInMerchandiseTrusts" xlink:type="locator" xlink:label="ston_ProceedsFromRealizedIncomeInMerchandiseTrusts" />
    <link:label xml:lang="en-US" xlink:label="ston_ProceedsFromRealizedIncomeInMerchandiseTrusts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds From Realized Income In Merchandise Trusts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_ProceedsFromRealizedIncomeInMerchandiseTrusts" xlink:to="ston_ProceedsFromRealizedIncomeInMerchandiseTrusts_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_IncreaseDecreaseInDeferredCustomerRevenueOnCreditSales" xlink:type="locator" xlink:label="ston_IncreaseDecreaseInDeferredCustomerRevenueOnCreditSales" />
    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInDeferredCustomerRevenueOnCreditSales_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase (Decrease) In Deferred Customer Revenue On Credit Sales</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_IncreaseDecreaseInDeferredCustomerRevenueOnCreditSales" xlink:to="ston_IncreaseDecreaseInDeferredCustomerRevenueOnCreditSales_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_IncreaseDecreaseInDeferredTrustRevenueOnRealizedMerchandiseTrustIncome" xlink:type="locator" xlink:label="ston_IncreaseDecreaseInDeferredTrustRevenueOnRealizedMerchandiseTrustIncome" />
    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInDeferredTrustRevenueOnRealizedMerchandiseTrustIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase (Decrease) In Deferred Trust Revenue On Realized Merchandise Trust Income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_IncreaseDecreaseInDeferredTrustRevenueOnRealizedMerchandiseTrustIncome" xlink:to="ston_IncreaseDecreaseInDeferredTrustRevenueOnRealizedMerchandiseTrustIncome_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_IncreaseDecreaseInRecognizedMerchandiseTrustIncome" xlink:type="locator" xlink:label="ston_IncreaseDecreaseInRecognizedMerchandiseTrustIncome" />
    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInRecognizedMerchandiseTrustIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase (Decrease) In Recognized Merchandise Trust Income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_IncreaseDecreaseInRecognizedMerchandiseTrustIncome" xlink:to="ston_IncreaseDecreaseInRecognizedMerchandiseTrustIncome_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_ContractWithCustomerLiabilityAdditions" xlink:type="locator" xlink:label="ston_ContractWithCustomerLiabilityAdditions" />
    <link:label xml:lang="en-US" xlink:label="ston_ContractWithCustomerLiabilityAdditions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Contract with customer liability, additions.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_ContractWithCustomerLiabilityAdditions" xlink:to="ston_ContractWithCustomerLiabilityAdditions_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_IncreasesInDeferredRevenuesAbstract" xlink:type="locator" xlink:label="ston_IncreasesInDeferredRevenuesAbstract" />
    <link:label xml:lang="en-US" xlink:label="ston_IncreasesInDeferredRevenuesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Increases In Deferred Revenues [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_IncreasesInDeferredRevenuesAbstract" xlink:to="ston_IncreasesInDeferredRevenuesAbstract_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_RecognitionOfDeferredRevenuesAbstract" xlink:type="locator" xlink:label="ston_RecognitionOfDeferredRevenuesAbstract" />
    <link:label xml:lang="en-US" xlink:label="ston_RecognitionOfDeferredRevenuesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Recognition Of Deferred Revenues [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_RecognitionOfDeferredRevenuesAbstract" xlink:to="ston_RecognitionOfDeferredRevenuesAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInReceivablesAbstract" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInReceivablesAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInReceivablesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts Receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInReceivablesAbstract" xlink:to="us-gaap_IncreaseDecreaseInReceivablesAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInReceivablesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Receivables [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInAccountsReceivableFromSales_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Pre-need/at-need contract originations (sales on credit)</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInAccountsReceivableFromSales_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Accounts Receivable From Sales</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInAccountsReceivableFromCollection_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash receipts from sales on credit (post-origination)</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInAccountsReceivableFromCollection_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Accounts Receivable From Collection</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Changes in accounts receivable, net of allowance</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiabilityAbstract" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerLiabilityAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractWithCustomerLiabilityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer Contract Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractWithCustomerLiabilityAbstract" xlink:to="us-gaap_ContractWithCustomerLiabilityAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractWithCustomerLiabilityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contract With Customer Liability [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_IncreasesInDeferredRevenuesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferrals:</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_IncreasesInDeferredRevenuesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Increases In Deferred Revenues [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromCustomers" xlink:type="locator" xlink:label="us-gaap_ProceedsFromCustomers" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromCustomers_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash receipts from customer deposits at origination, net of refunds</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromCustomers" xlink:to="us-gaap_ProceedsFromCustomers_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromCustomers_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Customers</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ProceedsFromRealizedIncomeInMerchandiseTrusts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Withdrawals of realized income from merchandise trusts during the period</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ProceedsFromRealizedIncomeInMerchandiseTrusts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Realized Income In Merchandise Trusts</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInDeferredCustomerRevenueOnCreditSales_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre-need/at-need contract originations (sales on credit)</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInDeferredCustomerRevenueOnCreditSales_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Deferred Customer Revenue On Credit Sales</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInDeferredTrustRevenueOnRealizedMerchandiseTrustIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Undistributed merchandise trust investment earnings, net</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInDeferredTrustRevenueOnRealizedMerchandiseTrustIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Deferred Trust Revenue On Realized Merchandise Trust Income</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_RecognitionOfDeferredRevenuesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recognition:</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_RecognitionOfDeferredRevenuesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Recognition Of Deferred Revenues [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInRecognizedMerchandiseTrustIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Merchandise trust investment income, net withdrawn as of end of period</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_IncreaseDecreaseInRecognizedMerchandiseTrustIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Recognized Merchandise Trust Income</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Recognized maturities of customer contracts collected as of end of period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:to="us-gaap_ContractWithCustomerLiabilityRevenueRecognized_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contract With Customer Liability Revenue Recognized</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ContractWithCustomerLiabilityAdditions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Recognized maturities of customer contracts uncollected as of end of period</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ContractWithCustomerLiabilityAdditions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contract With Customer Liability Additions</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Changes in customer contract liabilities</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_DebtInstrumentThirdPartyCreditIssuanceAmount" xlink:type="locator" xlink:label="ston_DebtInstrumentThirdPartyCreditIssuanceAmount" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentThirdPartyCreditIssuanceAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument, third party credit issuance, amount.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DebtInstrumentThirdPartyCreditIssuanceAmount" xlink:to="ston_DebtInstrumentThirdPartyCreditIssuanceAmount_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_FairValueOfTrustOwnedPercentage" xlink:type="locator" xlink:label="ston_FairValueOfTrustOwnedPercentage" />
    <link:label xml:lang="en-US" xlink:label="ston_FairValueOfTrustOwnedPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value of trust owned, percentage.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_FairValueOfTrustOwnedPercentage" xlink:to="ston_FairValueOfTrustOwnedPercentage_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Related Party Transactions By Related Party [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Related Party Transactions By Related Party [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_BoardOfDirectorsChairmanMember" xlink:type="locator" xlink:label="srt_BoardOfDirectorsChairmanMember" />
    <link:label xml:lang="en-US" xlink:label="srt_BoardOfDirectorsChairmanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mr. Axelrod, Chairman</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_BoardOfDirectorsChairmanMember" xlink:to="srt_BoardOfDirectorsChairmanMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_BoardOfDirectorsChairmanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Board Of Directors Chairman [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_PaylessHoldingsLLCMember" xlink:type="locator" xlink:label="ston_PaylessHoldingsLLCMember" />
    <link:label xml:lang="en-US" xlink:label="ston_PaylessHoldingsLLCMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Payless Holdings LLC.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_PaylessHoldingsLLCMember" xlink:to="ston_PaylessHoldingsLLCMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_PaylessHoldingsLLCMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payless Holdings LLC</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PaylessHoldingsLLCMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Payless Holdings L L C [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_StoneMorIncMember" xlink:type="locator" xlink:label="ston_StoneMorIncMember" />
    <link:label xml:lang="en-US" xlink:label="ston_StoneMorIncMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Stone Mor Inc.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_StoneMorIncMember" xlink:to="ston_StoneMorIncMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_StoneMorIncMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stone Mor Inc</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_StoneMorIncMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stone Mor Inc [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_StatementScenarioAxis" xlink:type="locator" xlink:label="srt_StatementScenarioAxis" />
    <link:label xml:lang="en-US" xlink:label="srt_StatementScenarioAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Scenario</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_StatementScenarioAxis" xlink:to="srt_StatementScenarioAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_StatementScenarioAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement Scenario [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ScenarioUnspecifiedDomain" xlink:type="locator" xlink:label="srt_ScenarioUnspecifiedDomain" />
    <link:label xml:lang="en-US" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Scenario</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ScenarioUnspecifiedDomain" xlink:to="srt_ScenarioUnspecifiedDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Scenario Unspecified [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ScenarioForecastMember" xlink:type="locator" xlink:label="srt_ScenarioForecastMember" />
    <link:label xml:lang="en-US" xlink:label="srt_ScenarioForecastMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Scenario, Forecast</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ScenarioForecastMember" xlink:to="srt_ScenarioForecastMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_ScenarioForecastMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Scenario Forecast [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_DirectorMember" xlink:type="locator" xlink:label="srt_DirectorMember" />
    <link:label xml:lang="en-US" xlink:label="srt_DirectorMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Robert B. Hellman, Jr., Former Member of Board of Directors</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_DirectorMember" xlink:to="srt_DirectorMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_DirectorMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Director [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:type="locator" xlink:label="us-gaap_RelatedPartyTransactionLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transaction [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_RelatedPartyTransactionLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ParticipatingMortgageLoansParticipationLiabilitiesAmount" xlink:type="locator" xlink:label="us-gaap_ParticipatingMortgageLoansParticipationLiabilitiesAmount" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ParticipatingMortgageLoansParticipationLiabilitiesAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Participation amount in debt issuance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ParticipatingMortgageLoansParticipationLiabilitiesAmount" xlink:to="us-gaap_ParticipatingMortgageLoansParticipationLiabilitiesAmount_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ParticipatingMortgageLoansParticipationLiabilitiesAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Participating Mortgage Loans Participation Liabilities Amount</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentThirdPartyCreditIssuanceAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt amount issued by third party entity</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentThirdPartyCreditIssuanceAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Third Party Credit Issuance Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:type="locator" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity owned percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:to="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Equity Method Investment Ownership Percentage</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_FairValueOfTrustOwnedPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of fair value trust owned</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_FairValueOfTrustOwnedPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Of Trust Owned Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest" xlink:type="locator" xlink:label="us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ownership interest of Partnership&apos;s outstanding common units</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest" xlink:to="us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Limited Liability Company L L C Or Limited Partnership L P Managing Member Or General Partner Ownership Interest</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_PercentageOfValueOfInvestmentAssetsEqualToQuarterlyFee" xlink:type="locator" xlink:label="ston_PercentageOfValueOfInvestmentAssetsEqualToQuarterlyFee" />
    <link:label xml:lang="en-US" xlink:label="ston_PercentageOfValueOfInvestmentAssetsEqualToQuarterlyFee_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">percentage of value of the investment assets equal to quarterly fee.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_PercentageOfValueOfInvestmentAssetsEqualToQuarterlyFee" xlink:to="ston_PercentageOfValueOfInvestmentAssetsEqualToQuarterlyFee_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_PercentageOfValueOfInvestmentAssetsEqualToQuarterlyFee_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of value of the investment assets equal to quarterly fee</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PercentageOfValueOfInvestmentAssetsEqualToQuarterlyFee_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Value Of Investment Assets Equal To Quarterly Fee</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_AgreementExpirationDate" xlink:type="locator" xlink:label="ston_AgreementExpirationDate" />
    <link:label xml:lang="en-US" xlink:label="ston_AgreementExpirationDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Agreement expiration date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AgreementExpirationDate" xlink:to="ston_AgreementExpirationDate_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_AgreementExpirationDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Agreement Expiration Date</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AgreementExpirationDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Agreement Expiration Date</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" xlink:type="locator" xlink:label="us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reimbursement of related party expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" xlink:to="us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction Expenses From Transactions With Related Party</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTable" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_SubsequentEventTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodAxis" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument, Redemption, Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentRedemptionPeriodAxis" xlink:to="us-gaap_DebtInstrumentRedemptionPeriodAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Redemption Period [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument, Redemption, Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:to="us-gaap_DebtInstrumentRedemptionPeriodDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Redemption Period [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_DebtInstrumentRedemptionPeriodPriorToMayFifteenTwoThousandAndTwentyFourMember" xlink:type="locator" xlink:label="ston_DebtInstrumentRedemptionPeriodPriorToMayFifteenTwoThousandAndTwentyFourMember" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentRedemptionPeriodPriorToMayFifteenTwoThousandAndTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument redemption period, prior to may 15, 2024.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DebtInstrumentRedemptionPeriodPriorToMayFifteenTwoThousandAndTwentyFourMember" xlink:to="ston_DebtInstrumentRedemptionPeriodPriorToMayFifteenTwoThousandAndTwentyFourMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentRedemptionPeriodPriorToMayFifteenTwoThousandAndTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prior to May 15, 2024, 2029 Notes</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentRedemptionPeriodPriorToMayFifteenTwoThousandAndTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Redemption Period Prior To May Fifteen Two Thousand And Twenty Four [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_DebtInstrumentRedemptionPeriodsEndingMayTenTwoThousandAndTwentyTwoTwentyThreeAndTwentyFourMember" xlink:type="locator" xlink:label="ston_DebtInstrumentRedemptionPeriodsEndingMayTenTwoThousandAndTwentyTwoTwentyThreeAndTwentyFourMember" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentRedemptionPeriodsEndingMayTenTwoThousandAndTwentyTwoTwentyThreeAndTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument redemption periods ending May 10, 2022, May 10, 2023 and May 10, 2024.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DebtInstrumentRedemptionPeriodsEndingMayTenTwoThousandAndTwentyTwoTwentyThreeAndTwentyFourMember" xlink:to="ston_DebtInstrumentRedemptionPeriodsEndingMayTenTwoThousandAndTwentyTwoTwentyThreeAndTwentyFourMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentRedemptionPeriodsEndingMayTenTwoThousandAndTwentyTwoTwentyThreeAndTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">12-Month Periods Ending May 10, 2022, May 10, 2023 and May 10, 2024 for 2029 Notes</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentRedemptionPeriodsEndingMayTenTwoThousandAndTwentyTwoTwentyThreeAndTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Redemption Periods Ending May Ten Two Thousand And Twenty Two Twenty Three And Twenty Four [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodFiveMember" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodFiveMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodFiveMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">May 15, 2024, the 2029 Notes</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentRedemptionPeriodFiveMember" xlink:to="us-gaap_DebtInstrumentRedemptionPeriodFiveMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodFiveMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Redemption Period Five [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodFourMember" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodFourMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Offer to Repurchase the 2029 Notes</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentRedemptionPeriodFourMember" xlink:to="us-gaap_DebtInstrumentRedemptionPeriodFourMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Redemption Period Four [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:type="locator" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss Contingency Nature</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:to="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingencies By Nature Of Contingency [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:type="locator" xlink:label="us-gaap_LossContingencyNatureDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LossContingencyNatureDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss Contingency, Nature</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyNatureDomain" xlink:to="us-gaap_LossContingencyNatureDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LossContingencyNatureDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingency Nature [Domain]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_GuaranteesAndCollateralMember" xlink:type="locator" xlink:label="ston_GuaranteesAndCollateralMember" />
    <link:label xml:lang="en-US" xlink:label="ston_GuaranteesAndCollateralMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Guarantees and collateral.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_GuaranteesAndCollateralMember" xlink:to="ston_GuaranteesAndCollateralMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_GuaranteesAndCollateralMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Guarantees and Collateral</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_GuaranteesAndCollateralMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Guarantees And Collateral [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_EventsOfDefaultMember" xlink:type="locator" xlink:label="ston_EventsOfDefaultMember" />
    <link:label xml:lang="en-US" xlink:label="ston_EventsOfDefaultMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Events of default.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_EventsOfDefaultMember" xlink:to="ston_EventsOfDefaultMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_EventsOfDefaultMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Events of Default</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_EventsOfDefaultMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Events Of Default [Member]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_ACIIEntitiesMember" xlink:type="locator" xlink:label="ston_ACIIEntitiesMember" />
    <link:label xml:lang="en-US" xlink:label="ston_ACIIEntitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">ACII entities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_ACIIEntitiesMember" xlink:to="ston_ACIIEntitiesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_ACIIEntitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ACII Entities</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ACIIEntitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">A C I I Entities [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:type="locator" xlink:label="us-gaap_SubsequentEventLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_SubsequentEventLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Line Items]</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_DebtInstrumentIssuePricePercentage" xlink:type="locator" xlink:label="ston_DebtInstrumentIssuePricePercentage" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentIssuePricePercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument issue price percentage.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DebtInstrumentIssuePricePercentage" xlink:to="ston_DebtInstrumentIssuePricePercentage_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentFrequencyOfPeriodicPayment" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest payable, Description</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment" xlink:to="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Frequency Of Periodic Payment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentPaymentTerms" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentPaymentTerms" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentPaymentTerms_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument, payment terms</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentPaymentTerms" xlink:to="us-gaap_DebtInstrumentPaymentTerms_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentPaymentTerms_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Payment Terms</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentIssuePricePercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument, issue price percentage</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentIssuePricePercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Issue Price Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodOneMember" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodOneMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodOneMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">On or after May 15, 2024 and prior to May 15, 2025</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentRedemptionPeriodOneMember" xlink:to="us-gaap_DebtInstrumentRedemptionPeriodOneMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodOneMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Redemption Period One [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodTwoMember" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodTwoMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodTwoMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">On or after May 15, 2025 and prior to May 15, 2026</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentRedemptionPeriodTwoMember" xlink:to="us-gaap_DebtInstrumentRedemptionPeriodTwoMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodTwoMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Redemption Period Two [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodThreeMember" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodThreeMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodThreeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">On or after May 15, 2026</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentRedemptionPeriodThreeMember" xlink:to="us-gaap_DebtInstrumentRedemptionPeriodThreeMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodThreeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Redemption Period Three [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentage" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redemption prices, percentages of principal amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentRedemptionPricePercentage" xlink:to="us-gaap_DebtInstrumentRedemptionPricePercentage_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Redemption Price Percentage</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_DebtInstrumentEquityOfferingRedemptionPricePercentageOfPrincipalAmount" xlink:type="locator" xlink:label="ston_DebtInstrumentEquityOfferingRedemptionPricePercentageOfPrincipalAmount" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentEquityOfferingRedemptionPricePercentageOfPrincipalAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument equity offering redemption price percentage of principal amount.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DebtInstrumentEquityOfferingRedemptionPricePercentageOfPrincipalAmount" xlink:to="ston_DebtInstrumentEquityOfferingRedemptionPricePercentageOfPrincipalAmount_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentEquityOfferingRedemptionPricePercentageOfPrincipalAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt instrument equity offering redemption price percentage of principal amount</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentEquityOfferingRedemptionPricePercentageOfPrincipalAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Equity Offering Redemption Price Percentage Of Principal Amount</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Percentage of principal amount redemption price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate principal amount percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed" xlink:to="us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Redemption Price Percentage Of Principal Amount Redeemed</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_DebtInstrumentPurchasePriceInCashPrincipalAmountPercentage" xlink:type="locator" xlink:label="ston_DebtInstrumentPurchasePriceInCashPrincipalAmountPercentage" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentPurchasePriceInCashPrincipalAmountPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument purchase price in cash principal amount percentage.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DebtInstrumentPurchasePriceInCashPrincipalAmountPercentage" xlink:to="ston_DebtInstrumentPurchasePriceInCashPrincipalAmountPercentage_lbl" />
    <link:loc xlink:href="ston-20210331.xsd#ston_ProceedsFromSaleOfAssetsThresholdAmount" xlink:type="locator" xlink:label="ston_ProceedsFromSaleOfAssetsThresholdAmount" />
    <link:label xml:lang="en-US" xlink:label="ston_ProceedsFromSaleOfAssetsThresholdAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from sale of assets threshold amount.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_ProceedsFromSaleOfAssetsThresholdAmount" xlink:to="ston_ProceedsFromSaleOfAssetsThresholdAmount_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentPurchasePriceInCashPrincipalAmountPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument purchase price in cash principal amount percentage</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DebtInstrumentPurchasePriceInCashPrincipalAmountPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Purchase Price In Cash Principal Amount Percentage</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ProceedsFromSaleOfAssetsThresholdAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sale of assets threshold amount</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_ProceedsFromSaleOfAssetsThresholdAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Sale Of Assets Threshold Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentFairValue" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentFairValue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument fair market value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFairValue" xlink:to="us-gaap_DebtInstrumentFairValue_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Fair Value</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_PercentageOfAggregatePrincipalAmountOutstanding" xlink:type="locator" xlink:label="ston_PercentageOfAggregatePrincipalAmountOutstanding" />
    <link:label xml:lang="en-US" xlink:label="ston_PercentageOfAggregatePrincipalAmountOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of aggregate principal amount outstanding.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_PercentageOfAggregatePrincipalAmountOutstanding" xlink:to="ston_PercentageOfAggregatePrincipalAmountOutstanding_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentCovenantDescription" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentCovenantDescription" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentCovenantDescription_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Covenant description</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentCovenantDescription" xlink:to="us-gaap_DebtInstrumentCovenantDescription_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentCovenantDescription_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Covenant Description</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PercentageOfAggregatePrincipalAmountOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate principal amount outstanding percentage, 30 days and 60 days after receipt of written notice</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_PercentageOfAggregatePrincipalAmountOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Aggregate Principal Amount Outstanding</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_DebtDefaultUnpaidAmountAfterMaturity" xlink:type="locator" xlink:label="ston_DebtDefaultUnpaidAmountAfterMaturity" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtDefaultUnpaidAmountAfterMaturity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt default unpaid amount after maturity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DebtDefaultUnpaidAmountAfterMaturity" xlink:to="ston_DebtDefaultUnpaidAmountAfterMaturity_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtDefaultUnpaidAmountAfterMaturity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt default unpaid amount after maturity</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DebtDefaultUnpaidAmountAfterMaturity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Default Unpaid Amount After Maturity</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_DebtDefaultFinalJudgmentsByCourtExcludingCoveredByInsurance" xlink:type="locator" xlink:label="ston_DebtDefaultFinalJudgmentsByCourtExcludingCoveredByInsurance" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtDefaultFinalJudgmentsByCourtExcludingCoveredByInsurance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt default final judgments by court excluding covered by insurance.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_DebtDefaultFinalJudgmentsByCourtExcludingCoveredByInsurance" xlink:to="ston_DebtDefaultFinalJudgmentsByCourtExcludingCoveredByInsurance_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_DebtDefaultFinalJudgmentsByCourtExcludingCoveredByInsurance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Final judgments amount by court excluding covered by insurance</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_DebtDefaultFinalJudgmentsByCourtExcludingCoveredByInsurance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Default Final Judgments By Court Excluding Covered By Insurance</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_AdditionalPrincipalAmountDivestiture" xlink:type="locator" xlink:label="ston_AdditionalPrincipalAmountDivestiture" />
    <link:label xml:lang="en-US" xlink:label="ston_AdditionalPrincipalAmountDivestiture_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Additional principal amount divestiture.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_AdditionalPrincipalAmountDivestiture" xlink:to="ston_AdditionalPrincipalAmountDivestiture_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Clearstone Sale for a net cash purchase price</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AdditionalPrincipalAmountDivestiture_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional principal amount of the 2024 notes redeemed</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_AdditionalPrincipalAmountDivestiture_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Additional Principal Amount Divestiture</link:label>
    <link:loc xlink:href="ston-20210331.xsd#ston_LetterAgreementDescription" xlink:type="locator" xlink:label="ston_LetterAgreementDescription" />
    <link:label xml:lang="en-US" xlink:label="ston_LetterAgreementDescription_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Letter agreement description.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ston_LetterAgreementDescription" xlink:to="ston_LetterAgreementDescription_lbl" />
    <link:label xml:lang="en-US" xlink:label="ston_LetterAgreementDescription_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Letter agreement, description</link:label>
    <link:label xml:lang="en-US" xlink:label="ston_LetterAgreementDescription_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Letter Agreement Description</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" xlink:type="locator" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares acquired</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition Equity Interests Issued Or Issuable Number Of Shares Issued</link:label>
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