-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 R2jxE2XYAj05iwyk8ErYq7jurerLjD1ajh2A46K9LraYz4je0Pl62arpv9Rkz/aP
 NLyEbZZS4U9COKDFFzwZ3w==

<SEC-DOCUMENT>0000036146-08-000051.txt : 20080424
<SEC-HEADER>0000036146-08-000051.hdr.sgml : 20080424
<ACCEPTANCE-DATETIME>20080424101622
ACCESSION NUMBER:		0000036146-08-000051
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080422
FILED AS OF DATE:		20080424
DATE AS OF CHANGE:		20080424

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TRUSTMARK CORP
		CENTRAL INDEX KEY:			0000036146
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				640471500
		STATE OF INCORPORATION:			MS
		FISCAL YEAR END:			0717

	BUSINESS ADDRESS:	
		STREET 1:		248 E CAPITOL ST
		STREET 2:		P O BOX 291
		CITY:			JACKSON
		STATE:			MS
		ZIP:			39201
		BUSINESS PHONE:		6013545111

	MAIL ADDRESS:	
		STREET 1:		248 EAST CAPITOL STREET
		CITY:			JACKSON
		STATE:			MS
		ZIP:			39201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIRST CAPITAL CORP
		DATE OF NAME CHANGE:	19900513

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ALLGOOD J KELLY
		CENTRAL INDEX KEY:			0001018981

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-03683
		FILM NUMBER:		08773371

	BUSINESS ADDRESS:	
		STREET 1:		C/O TRUSTMARK NATIONAL BANK
		STREET 2:		248 E CAPITOL ST
		CITY:			JACKSON
		STATE:			MS
		ZIP:			39201
		BUSINESS PHONE:		6013545111

	MAIL ADDRESS:	
		STREET 1:		PO BOX 811
		CITY:			JACKSON
		STATE:			MS
		ZIP:			39201
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-04-22</periodOfReport>

    <issuer>
        <issuerCik>0000036146</issuerCik>
        <issuerName>TRUSTMARK CORP</issuerName>
        <issuerTradingSymbol>TRMK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001018981</rptOwnerCik>
            <rptOwnerName>ALLGOOD J KELLY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>236 WINGED FOOT CIRCLE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>JACKSON</rptOwnerCity>
            <rptOwnerState>MS</rptOwnerState>
            <rptOwnerZipCode>39205</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>common</value>
            </securityTitle>
            <transactionDate>
                <value>2008-04-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>107</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>72022</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">750 shares owned indirectly by spouse.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>J. Kelly Allgood by: T. Harris Collier, III, POA</signatureName>
        <signatureDate>2008-04-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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