-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 FIDdS5H+rBfEpKZcBdO3+h7W3RRfsfw1zr2jmcrcaMqB+0M70p8ZR3a+8x47jltu
 L6LlBCYRCfUmbIBUHKWZgg==

<SEC-DOCUMENT>0001366335-06-000003.txt : 20060809
<SEC-HEADER>0001366335-06-000003.hdr.sgml : 20060809
<ACCEPTANCE-DATETIME>20060809140148
ACCESSION NUMBER:		0001366335-06-000003
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060808
FILED AS OF DATE:		20060809
DATE AS OF CHANGE:		20060809

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CENTURY BANCORP INC
		CENTRAL INDEX KEY:			0000812348
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				042498617
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		400 MYSTIC AVENUE
		CITY:			MEDFORD
		STATE:			MA
		ZIP:			01887
		BUSINESS PHONE:		6173934606

	MAIL ADDRESS:	
		STREET 1:		400 MYSTIC AVE
		CITY:			MEDFORD
		STATE:			MA
		ZIP:			01887

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Jenkins-Scott Jackie
		CENTRAL INDEX KEY:			0001371057

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15752
		FILM NUMBER:		061016585

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		781-393-4000

	MAIL ADDRESS:	
		STREET 1:		400 MYSTIC AVENUE
		CITY:			MEDFORD
		STATE:			MA
		ZIP:			02155
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>jen539.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2006-08-08</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000812348</issuerCik>
        <issuerName>CENTURY BANCORP INC</issuerName>
        <issuerTradingSymbol>CNBKA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001371057</rptOwnerCik>
            <rptOwnerName>Jenkins-Scott Jackie</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>295 KENT STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BROOKLINE</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>024465440</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>By: Paul V. Cusick, Jr., Attorney-In-Fact</signatureName>
        <signatureDate>2006-08-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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