-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 F5C2sDFoUgNiP7QutTp/W98Zl1n86qP96dVCs8XiXOnhNvog2vycmj1n4DoP+9J0
 BH604SK9q/1EXPyfLhjufQ==

<SEC-DOCUMENT>0001018982-04-000003.txt : 20040120
<SEC-HEADER>0001018982-04-000003.hdr.sgml : 20040119
<ACCEPTANCE-DATETIME>20040120103658
ACCESSION NUMBER:		0001018982-04-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040116
FILED AS OF DATE:		20040120

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:			1231

	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:			ANDERSON REUBEN V
		CENTRAL INDEX KEY:			0001018982

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-03683
		FILM NUMBER:		04531359

	BUSINESS ADDRESS:	
		STREET 1:		C/O PHELPS DUNBAR
		STREET 2:		200 S. LAMAR #500 SECURITY CENTRE N.
		CITY:			JACKSON
		STATE:			MS
		ZIP:			39201
		BUSINESS PHONE:		6013522300

	MAIL ADDRESS:	
		STREET 1:		C/O PHELPS DUNBAR
		STREET 2:		200 S. LAMAR #500 SECURITY CENTRE N.
		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>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2004-01-16</periodOfReport>
    <issuer>
        <issuerCik>0000036146</issuerCik>
        <issuerName>TRUSTMARK CORP</issuerName>
        <issuerTradingSymbol>TRMK</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001018982</rptOwnerCik>
            <rptOwnerName>ANDERSON REUBEN V</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>P. O. BOX 23066</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>JACKSON</rptOwnerCity>
            <rptOwnerState>MS</rptOwnerState>
            <rptOwnerZipCode>39225-3066</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>2004-01-16</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>P</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>223</value></transactionShares><transactionPricePerShare><value>29.32</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>20989</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></non
DerivativeTransaction><nonDerivativeTransaction><securityTitle><value>common</value></securityTitle><transactionDate><value>2004-01-16</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>P</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>131</value></transactionShares><transactionPricePerShare><value>29.31</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1221</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>spouse &amp; children</value></natureOfOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><footnotes/><remarks/><ownerSignature><signatureName>Reuben V. Anderson by: T. Harri
s Collier, III, POA</signatureName><signatureDate>2004-01-20</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
