-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 TcCKqh21kSb431GEPt446oPMOT9PicEeokRicjng8aM4aprbnbz3z6XRfxeRul72
 elSP96WuLz/aOSa1Bi0adA==

<SEC-DOCUMENT>0000062741-03-000333.txt : 20031222
<SEC-HEADER>0000062741-03-000333.hdr.sgml : 20031222
<ACCEPTANCE-DATETIME>20031222115409
ACCESSION NUMBER:		0000062741-03-000333
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031218
FILED AS OF DATE:		20031222

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MARSHALL & ILSLEY CORP/WI/
		CENTRAL INDEX KEY:			0000062741
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				390968604
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ATTN: OFFICE OF THE GENERAL COUNSEL
		STREET 2:		770 NORTH WATER STREET
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53202
		BUSINESS PHONE:		4147657801

	MAIL ADDRESS:	
		STREET 1:		770 NORTH WATER ST
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53202

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DENEEN RYAN R
		CENTRAL INDEX KEY:			0001272150

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15403
		FILM NUMBER:		031066896

	BUSINESS ADDRESS:	
		STREET 1:		C/O MARSHALL & ILSLEY
		STREET 2:		770 N. WATER ST
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53202
		BUSINESS PHONE:		4142982933

	MAIL ADDRESS:	
		STREET 1:		C/O MARSHALL & ILSLEY
		STREET 2:		770 N. WATER ST
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53202
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>c0001272150d20031218f3f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>3</documentType><periodOfReport>2003-12-18</periodOfReport><noSecuritiesOwned>0</noSecuritiesOwned><issuer><issuerCik>0000062741</issuerCik><issuerName>MARSHALL &amp; ILSLEY CORP/WI/</issuerName>        <issuerTradingSymbol>MI</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001272150</rptOwnerCik><rptOwnerName>DENEEN RYAN R</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>770 NORTH WATER STREET</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>MILWAUKEE</rptOwnerCity><rptOwnerState>WI</rptOwnerState><rptOwnerZipCode>53202</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Senior Vice President</officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><
nonDerivativeTable><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>3500</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><derivativeTable><derivativeHolding><securityTitle><value>Stock Option</value></securityTitle><conversionOrExercisePrice><value>37.1</value></conversionOrExercisePrice><exerciseDate><value>2004-11-28</value></exerciseDate><expirationDate><value>2013-11-28</value><footnoteId id="F1"/></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>20000</value></underlyingSecurityShares></underlyingSecurity><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><nat
ureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding></derivativeTable><footnotes><footnote id="F1">These options vest in three equal installments beginning on 11/28/2004.</footnote></footnotes><ownerSignature><signatureName>Ryan E. Daniels</signatureName><signatureDate>2003-12-18</signatureDate></ownerSignature></ownershipDocument>

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