-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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MIC-Info: RSA-MD5,RSA,
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 3HGHkxYX6ZA81+zoFKO8LQ==

<SEC-DOCUMENT>0001314598-10-000142.txt : 20101103
<SEC-HEADER>0001314598-10-000142.hdr.sgml : 20101103
<ACCEPTANCE-DATETIME>20101103164636
ACCESSION NUMBER:		0001314598-10-000142
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101101
FILED AS OF DATE:		20101103
DATE AS OF CHANGE:		20101103

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			STEVENS WILLIAM E
		CENTRAL INDEX KEY:			0001204255

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14920
		FILM NUMBER:		101161987

	MAIL ADDRESS:	
		STREET 1:		8235 FORSYTH BOULEVARD
		STREET 2:		SUITE 901
		CITY:			ST. LOUIS
		STATE:			MO
		ZIP:			63105

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MCCORMICK & CO INC
		CENTRAL INDEX KEY:			0000063754
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS FOOD PREPARATIONS & KINDRED PRODUCTS [2090]
		IRS NUMBER:				520408290
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1130

	BUSINESS ADDRESS:	
		STREET 1:		18 LOVETON CIRCLE
		STREET 2:		P O BOX 6000
		CITY:			SPARKS
		STATE:			MD
		ZIP:			21152
		BUSINESS PHONE:		4107717301

	MAIL ADDRESS:	
		STREET 1:		18 LOVETON CIRCLE
		STREET 2:		P O BOX 6000
		CITY:			SPARKS
		STATE:			MD
		ZIP:			21152

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MCCORMICK & CO
		DATE OF NAME CHANGE:	19660620
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
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<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-11-01</periodOfReport>

    <issuer>
        <issuerCik>0000063754</issuerCik>
        <issuerName>MCCORMICK &amp; CO INC</issuerName>
        <issuerTradingSymbol>MKC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001204255</rptOwnerCik>
            <rptOwnerName>STEVENS WILLIAM E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>MCCORMICK &amp; COMPANY, INCORPORATED</rptOwnerStreet1>
            <rptOwnerStreet2>18 LOVETON CIRCLE</rptOwnerStreet2>
            <rptOwnerCity>SPARKS</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>21152</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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            <securityTitle>
                <value>Common Stock - Voting</value>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock - Non Voting</value>
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            <transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>2500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>30.60</value>
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                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
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                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock - Non Voting</value>
            </securityTitle>
            <transactionDate>
                <value>2010-11-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>2500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>44.11</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>28278</value>
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            <ownershipNature>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
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            <transactionCoding>
                <transactionFormType>4</transactionFormType>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>1250</value>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
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            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
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    </nonDerivativeTable>

    <derivativeTable>
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            <securityTitle>
                <value>Option - Right to Buy</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>30.60</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-11-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-01-27</value>
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            <expirationDate>
                <value>2014-01-26</value>
            </expirationDate>
            <underlyingSecurity>
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                </underlyingSecurityTitle>
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                </underlyingSecurityShares>
            </underlyingSecurity>
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                <value>2019-03-24</value>
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                    <value>2500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            <exerciseDate>
                <value>2005-01-27</value>
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                <value>2014-01-26</value>
            </expirationDate>
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                <underlyingSecurityShares>
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                    <value>0</value>
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                    <value>D</value>
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            <securityTitle>
                <value>Option - Right to Buy</value>
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            <conversionOrExercisePrice>
                <value>29.89</value>
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                <value>2010-11-01</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            <exerciseDate>
                <value>2010-03-25</value>
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            <expirationDate>
                <value>2019-03-24</value>
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                <underlyingSecurityTitle>
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                </underlyingSecurityTitle>
                <underlyingSecurityShares>
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                <natureOfOwnership>
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            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Option exercised.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>W. Geoffrey Carpenter, Attorney-in-fact</signatureName>
        <signatureDate>2010-11-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----