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    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <issuerCredentials>
          <cik>0000802222</cik>
          <ccc>XXXXXXXX</ccc>
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      <flags>
        <returnCopyFlag>false</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
        <confirmingCopyFlag>false</confirmingCopyFlag>
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      <investmentCompanyType>N-4</investmentCompanyType>
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      <reportClass>
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      </reportClass>
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    <generalInfo isReportPeriodLt12="N" reportEndingPeriod="2018-12-31"/>
    <registrantInfo>
      <registrantFullName>SEPARATE ACCOUNT I OF NATIONAL INTEGRITY LIFE INS CO</registrantFullName>
      <investmentCompFileNo>811-04846</investmentCompFileNo>
      <registrantCik>0000802222</registrantCik>
      <registrantLei>549300Q3CDYOMAVPFF37</registrantLei>
      <registrantstreet1>400 Broadway Street</registrantstreet1>
      <registrantstreet2>MS 24</registrantstreet2>
      <registrantcity>Cincinnati</registrantcity>
      <registrantzipCode>45202</registrantzipCode>
      <registrantstate>US-OH</registrantstate>
      <registrantcountry>US</registrantcountry>
      <registrantphoneNumber>513 629 1800</registrantphoneNumber>
      <websites>
        <website webpage="https://www.westernsouthern.com"/>
      </websites>
      <locationBooksRecords>
        <locationBooksRecord>
          <officeName>National Integrity Life Insurance</officeName>
          <officeAddress1>14 Main Street</officeAddress1>
          <officeAddress2>Suite 100</officeAddress2>
          <officeCity>Greenwich</officeCity>
          <officeStateCountry officeState="US-NY" officeCountry="US"/>
          <officeRecordsZipCode>12834</officeRecordsZipCode>
          <officePhone>518 692 2494</officePhone>
          <booksRecordsDesc>Charter, By-Laws, Board Minutes, Trial Balance, Trial Balance Detail.</booksRecordsDesc>
        </locationBooksRecord>
      </locationBooksRecords>
      <isRegistrantFirstFiling>Y</isRegistrantFirstFiling>
      <isRegistrantLastFiling>N</isRegistrantLastFiling>
      <registrantFamilyInvComp familyInvCompFullName="WESTERN &amp; SOUTHERN FINANCIAL GROUP, INC." isRegistrantFamilyInvComp="Y"/>
      <registrantClassificationType>N-4</registrantClassificationType>
      <isSecuritiesActRegistration>Y</isSecuritiesActRegistration>
      <chiefComplianceOfficers>
        <chiefComplianceOfficer>
          <ccoName>Bruce Maisel</ccoName>
          <crdNumber>001092397</crdNumber>
          <ccoStreet1>400 Broadway</ccoStreet1>
          <ccoCity>Cincinnati</ccoCity>
          <ccoStateCountry ccoState="US-OH" ccoCountry="US"/>
          <ccoZipCode>45202</ccoZipCode>
          <ccoPhone>XXXXXX</ccoPhone>
          <isCcoChangedSinceLastFiling>N</isCcoChangedSinceLastFiling>
          <ccoEmployers>
            <ccoEmployer ccoEmployerName="N/A" ccoEmployerId="N/A"/>
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        </chiefComplianceOfficer>
      </chiefComplianceOfficers>
      <isRegistrantSubmittedMatter>N</isRegistrantSubmittedMatter>
      <isPreviousLegalProceeding>N</isPreviousLegalProceeding>
      <isPreviousProceedingTerminated>N</isPreviousProceedingTerminated>
      <isFinancialSupportDuringPeriod>N</isFinancialSupportDuringPeriod>
      <isExemptionFromAct>N</isExemptionFromAct>
      <principalUnderwriters>
        <principalUnderwriter>
          <principalUnderwriterName>Touchstone Securities</principalUnderwriterName>
          <principalUnderwriterFileNumber>8-14052</principalUnderwriterFileNumber>
          <principalUnderwriterCrdNumber>000001526</principalUnderwriterCrdNumber>
          <principalUnderwriterLei>N/A</principalUnderwriterLei>
          <principalUnderWriterStateCountry principalUnderWriterState="US-NE" principalUnderWriterCountry="US"/>
          <isPrincipalUnderwriterAffiliatedWithRegistrant>Y</isPrincipalUnderwriterAffiliatedWithRegistrant>
        </principalUnderwriter>
      </principalUnderwriters>
      <isUnderwriterHiredOrTerminated>N</isUnderwriterHiredOrTerminated>
      <publicAccountants>
        <publicAccountant>
          <publicAccountantName>ERNST &amp; YOUNG LLP</publicAccountantName>
          <pcaobNumber>(US) 42</pcaobNumber>
          <publicAccountantLei>N/A</publicAccountantLei>
          <publicAccountantStateCountry publicAccountantState="US-DE" publicAccountantCountry="US"/>
        </publicAccountant>
      </publicAccountants>
      <isPublicAccountantChanged>N</isPublicAccountantChanged>
      <isOpinionOffered>N</isOpinionOffered>
      <isMaterialChange>N</isMaterialChange>
      <isAccountingPrincipleChange>N</isAccountingPrincipleChange>
    </registrantInfo>
    <unitInvestmentTrust>
      <depositors>
        <depositor>
          <depositorName>National Integrity Life Insurance Company</depositorName>
          <depositorCrdNo>N/A</depositorCrdNo>
          <depositorLei>549300SG223DB9VZEM88</depositorLei>
          <depositorStateCountry depositorState="US-OH" depositorCountry="US"/>
          <depositorUltimateParentname>WESTERN &amp; SOUTHERN FINANCIAL GROUP , Inc.</depositorUltimateParentname>
        </depositor>
      </depositors>
      <isUitAdminHiredTerminated>N</isUitAdminHiredTerminated>
      <registrantSeparateInsuranceAccount isRegistrantSeparateInsuranceAccount="Y" separateAccountSeriesId="S000001056"/>
      <numOfContracts>3897</numOfContracts>
      <contractSecurities>
        <contractSecurity separateAccountSecurityName="AdvantEdge" separateAccountContractId="C000063172" numContractsSold="0" numContractsAffected="0" numContractsAffectedRedeemed="2" separateAccountTotalAsset="14344688.00" grossPremiumReceived="72007.00" grossPremiumReceivedSection1035="0" contractValueRedeemed="2449552.00" contractValueRedeemedSection1035="318848.00"/>
        <contractSecurity separateAccountSecurityName="AnnuiChoice" separateAccountContractId="C000002835" numContractsSold="0" numContractsAffected="0" numContractsAffectedRedeemed="0" separateAccountTotalAsset="3497828.00" grossPremiumReceived="35999.00" grossPremiumReceivedSection1035="0" contractValueRedeemed="1406263.00" contractValueRedeemedSection1035="0"/>
        <contractSecurity separateAccountSecurityName="AnnuiChoice II" separateAccountContractId="C000034991" numContractsSold="36" numContractsAffected="11" numContractsAffectedRedeemed="2" separateAccountTotalAsset="31423139.00" grossPremiumReceived="3597738.00" grossPremiumReceivedSection1035="1445056.00" contractValueRedeemed="3356132.00" contractValueRedeemedSection1035="249327.00"/>
        <contractSecurity separateAccountSecurityName="ETF Easy Annuity" separateAccountContractId="C000002836" numContractsSold="0" numContractsAffected="0" numContractsAffectedRedeemed="0" separateAccountTotalAsset="0" grossPremiumReceived="0" grossPremiumReceivedSection1035="0" contractValueRedeemed="0" contractValueRedeemedSection1035="0"/>
        <contractSecurity separateAccountSecurityName="Gramdmaster Flex 3" separateAccountContractId="C000002837" numContractsSold="0" numContractsAffected="0" numContractsAffectedRedeemed="13" separateAccountTotalAsset="8577674.00" grossPremiumReceived="86947.00" grossPremiumReceivedSection1035="0" contractValueRedeemed="768732.00" contractValueRedeemedSection1035="1013305.00"/>
        <contractSecurity separateAccountSecurityName="IQ Advisor" separateAccountContractId="C000002839" numContractsSold="0" numContractsAffected="0" numContractsAffectedRedeemed="0" separateAccountTotalAsset="0" grossPremiumReceived="0" grossPremiumReceivedSection1035="0" contractValueRedeemed="0" contractValueRedeemedSection1035="0"/>
        <contractSecurity separateAccountSecurityName="IQ3" separateAccountContractId="C000002838" numContractsSold="0" numContractsAffected="0" numContractsAffectedRedeemed="1" separateAccountTotalAsset="20274632.00" grossPremiumReceived="76715.00" grossPremiumReceivedSection1035="0" contractValueRedeemed="2520807.00" contractValueRedeemedSection1035="220703.00"/>
        <contractSecurity separateAccountSecurityName="Pinnacle (Pre May 1 '98)" separateAccountContractId="C000104724" numContractsSold="0" numContractsAffected="0" numContractsAffectedRedeemed="0" separateAccountTotalAsset="5145590.00" grossPremiumReceived="59651.00" grossPremiumReceivedSection1035="0" contractValueRedeemed="890568.00" contractValueRedeemedSection1035="0"/>
        <contractSecurity separateAccountSecurityName="Pinnacle III" separateAccountContractId="C000109521" numContractsSold="0" numContractsAffected="0" numContractsAffectedRedeemed="4" separateAccountTotalAsset="24029638.00" grossPremiumReceived="210685.00" grossPremiumReceivedSection1035="0" contractValueRedeemed="2710378.00" contractValueRedeemedSection1035="264230.00"/>
        <contractSecurity separateAccountSecurityName="Pinnacle IV" separateAccountContractId="C000109522" numContractsSold="0" numContractsAffected="0" numContractsAffectedRedeemed="9" separateAccountTotalAsset="22117439.00" grossPremiumReceived="116675.00" grossPremiumReceivedSection1035="0" contractValueRedeemed="5533742.00" contractValueRedeemedSection1035="1684096.00"/>
        <contractSecurity separateAccountSecurityName="Pinnacle V ('07-'11) (Refer to Record 12)" separateAccountContractId="C000109523" numContractsSold="0" numContractsAffected="0" numContractsAffectedRedeemed="0" separateAccountTotalAsset="0" grossPremiumReceived="0" grossPremiumReceivedSection1035="0" contractValueRedeemed="0" contractValueRedeemedSection1035="0"/>
        <contractSecurity separateAccountSecurityName="Pinnacle V (Post 1/1/12)" separateAccountContractId="C000109527" numContractsSold="92" numContractsAffected="14" numContractsAffectedRedeemed="14" separateAccountTotalAsset="95345135.00" grossPremiumReceived="7809124.00" grossPremiumReceivedSection1035="1333710.00" contractValueRedeemed="7800163.00" contractValueRedeemedSection1035="2108204.00"/>
        <contractSecurity separateAccountSecurityName="PinnaclePlus" separateAccountContractId="C000002840" numContractsSold="0" numContractsAffected="0" numContractsAffectedRedeemed="0" separateAccountTotalAsset="13244702.00" grossPremiumReceived="0" grossPremiumReceivedSection1035="0" contractValueRedeemed="1222333.00" contractValueRedeemedSection1035="0"/>
        <contractSecurity separateAccountSecurityName="Varoom" separateAccountContractId="C000091444" numContractsSold="0" numContractsAffected="0" numContractsAffectedRedeemed="0" separateAccountTotalAsset="2881105.00" grossPremiumReceived="3000.00" grossPremiumReceivedSection1035="0" contractValueRedeemed="918324.00" contractValueRedeemedSection1035="0"/>
        <contractSecurity separateAccountSecurityName="Varoom II" separateAccountContractId="C000110550" numContractsSold="11" numContractsAffected="0" numContractsAffectedRedeemed="0" separateAccountTotalAsset="55953763.00" grossPremiumReceived="986201.00" grossPremiumReceivedSection1035="0" contractValueRedeemed="7880385.00" contractValueRedeemedSection1035="0"/>
      </contractSecurities>
      <isRule6C7Reliance>N</isRule6C7Reliance>
      <isRule11A2Reliance>N</isRule11A2Reliance>
    </unitInvestmentTrust>
    <attachmentsTab>
      <isLegalProceedings>false</isLegalProceedings>
      <isProvisionFinancialSupport>false</isProvisionFinancialSupport>
      <isIPAReportInternalControl>false</isIPAReportInternalControl>
      <isChangeAccPrinciples>false</isChangeAccPrinciples>
      <isInfoRequiredEO>false</isInfoRequiredEO>
      <isOtherInfoRequired>false</isOtherInfoRequired>
    </attachmentsTab>
    <signature registrantSignedName="SEPARATE ACCOUNT I OF NATIONAL INTEGRITY LIFE INS CO" signature="Wade M. Fugate" title="Vice President and Controller" signedDate="2019-03-13"/>
  </formData>
</edgarSubmission>
