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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,
 JCyo/p6Zl+O12KatfI78op8JeDDTFzfw9H6oLgW8rLdA4gU2XSFY6Kx2k6obgl5c
 lAvmREP+DRDVP+dL5+77OA==

<SEC-DOCUMENT>0001179110-08-013413.txt : 20080707
<SEC-HEADER>0001179110-08-013413.hdr.sgml : 20080704
<ACCEPTANCE-DATETIME>20080707141713
ACCESSION NUMBER:		0001179110-08-013413
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080702
FILED AS OF DATE:		20080707
DATE AS OF CHANGE:		20080707

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MAC-GRAY CORP
		CENTRAL INDEX KEY:			0001038280
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PERSONAL SERVICES [7200]
		IRS NUMBER:				043361982
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		404 WYMAN STREET
		STREET 2:		SUITE 400
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		781-487-7600

	MAIL ADDRESS:	
		STREET 1:		404 WYMAN STREET
		STREET 2:		SUITE 400
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MAC GRAY INC
		DATE OF NAME CHANGE:	19970424

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MEAGHER WILLIAM F JR
		CENTRAL INDEX KEY:			0001282793

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13495
		FILM NUMBER:		08940642

	BUSINESS ADDRESS:	
		STREET 1:		170 RICHARDSON DRIVE
		CITY:			NEEDHAM
		STATE:			MA
		ZIP:			024921
		BUSINESS PHONE:		7814191271
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-07-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001038280</issuerCik>
        <issuerName>MAC-GRAY CORP</issuerName>
        <issuerTradingSymbol>TUC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001282793</rptOwnerCik>
            <rptOwnerName>MEAGHER WILLIAM F JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MAC-GRAY CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>404 WYMAN STREET</rptOwnerStreet2>
            <rptOwnerCity>WALTHAM</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02451</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-07-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>331</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.33</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1328</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Shares were acquired under the Directors' compensation plan approved by the Company's Board of Directors.  The compensation plan provides that a director who is not an employee of the Company shall receive an annual fee for his/her services with such fee to be paid quarterly in the form of (i)shares of the Company's common stock with respect to fifty percent (50%) of the fee, and (ii) cash, shares of the Company's common stock, or a combination thereof, at the election of the Director, with respect to the other fifty percent (50%).  The acquistion of common stock reported herein was received pursuant to the Directors' compensation plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Linda A. Serafini, under Power of Attorney on file</signatureName>
        <signatureDate>2008-07-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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