-----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,
 FYKdQc5wHfNA3vxfFK8HzZaYP2CsTcybPD19Rw5rVoiEv83pzcxWQtd5LwFzD7rP
 YNiikZ0qP/CFTXgXXe6U/w==

<SEC-DOCUMENT>0000009626-03-000149.txt : 20031028
<SEC-HEADER>0000009626-03-000149.hdr.sgml : 20031028
<ACCEPTANCE-DATETIME>20031028102111
ACCESSION NUMBER:		0000009626-03-000149
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031027
FILED AS OF DATE:		20031028

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GIBBONS THOMAS P
		CENTRAL INDEX KEY:			0001209479

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06152
		FILM NUMBER:		03959830

	BUSINESS ADDRESS:	
		STREET 1:		BANK OF NEW YORK
		STREET 2:		ONE WALL STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10286

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BANK OF NEW YORK CO INC
		CENTRAL INDEX KEY:			0000009626
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				132614959
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE WALL ST 10TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10286
		BUSINESS PHONE:		212-495-1784

	MAIL ADDRESS:	
		STREET 1:		ONE WALL STREET 31ST FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10286
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
    <periodOfReport>2003-10-27</periodOfReport>
    <notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000009626</issuerCik>
        <issuerName>BANK OF NEW YORK CO INC</issuerName>
        <issuerTradingSymbol>BK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001209479</rptOwnerCik>
            <rptOwnerName>GIBBONS THOMAS P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE WALL STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10286</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP of The Bank of New York</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>
  <nonDerivativeTable>
   <nonDerivativeTransaction>
      <securityTitle>
          <value>Common Stock (Par Value $7.50)</value>
      </securityTitle>
      <transactionDate>
          <value>2003-05-01</value>
      </transactionDate>
      <transactionCoding>
          <transactionFormType>5</transactionFormType>
          <transactionCode>L</transactionCode>
          <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionTimeliness>
      <value />
      </transactionTimeliness>
      <transactionAmounts>
          <transactionShares>
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          </transactionShares>
          <transactionPricePerShare>
              <value>24.8457</value>
          </transactionPricePerShare>
          <transactionAcquiredDisposedCode>
              <value>A</value>
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      <postTransactionAmounts>
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          </sharesOwnedFollowingTransaction>
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      <ownershipNature>
          <directOrIndirectOwnership>
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      <securityTitle>
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      <transactionDate>
          <value>2003-05-01</value>
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      <transactionCoding>
          <transactionFormType>5</transactionFormType>
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      <transactionTimeliness>
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      <transactionAmounts>
          <transactionShares>
              <value>29.29</value>
          </transactionShares>
          <transactionPricePerShare>
              <value>26.1534</value>
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          <transactionAcquiredDisposedCode>
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   <nonDerivativeTransaction>
      <securityTitle>
          <value>Common Stock (Par Value $7.50)</value>
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      <transactionDate>
          <value>2003-06-02</value>
      </transactionDate>
      <transactionCoding>
          <transactionFormType>5</transactionFormType>
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          <equitySwapInvolved>0</equitySwapInvolved>
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      <transactionTimeliness>
      <value />
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      <transactionAmounts>
          <transactionShares>
              <value>21.33</value>
          </transactionShares>
          <transactionPricePerShare>
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          <transactionAcquiredDisposedCode>
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      <ownershipNature>
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              <value>D</value>
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      <securityTitle>
          <value>Common Stock (Par Value $7.50)</value>
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      <transactionDate>
          <value>2003-07-01</value>
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          <sharesOwnedFollowingTransaction>
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          <directOrIndirectOwnership>
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   <nonDerivativeTransaction>
      <securityTitle>
          <value>Common Stock (Par Value $7.50)</value>
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      <transactionDate>
          <value>2003-07-31</value>
      </transactionDate>
      <transactionCoding>
          <transactionFormType>5</transactionFormType>
          <transactionCode>L</transactionCode>
          <equitySwapInvolved>0</equitySwapInvolved>
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      <transactionTimeliness>
      <value />
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      <transactionAmounts>
          <transactionShares>
              <value>6.29</value>
          </transactionShares>
          <transactionPricePerShare>
              <value>28.8681</value>
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          <transactionAcquiredDisposedCode>
              <value>A</value>
          </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
          <sharesOwnedFollowingTransaction>
              <value>157425.31</value>
          </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
          </directOrIndirectOwnership>
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   </nonDerivativeTransaction>
   <nonDerivativeTransaction>
      <securityTitle>
          <value>Common Stock (Par Value $7.50)</value>
      </securityTitle>
      <transactionDate>
          <value>2003-07-31</value>
      </transactionDate>
      <transactionCoding>
          <transactionFormType>5</transactionFormType>
          <transactionCode>L</transactionCode>
          <equitySwapInvolved>0</equitySwapInvolved>
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      <transactionTimeliness>
      <value />
      </transactionTimeliness>
      <transactionAmounts>
          <transactionShares>
              <value>25.39</value>
          </transactionShares>
          <transactionPricePerShare>
              <value>30.3875</value>
          </transactionPricePerShare>
          <transactionAcquiredDisposedCode>
              <value>A</value>
          </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
          <sharesOwnedFollowingTransaction>
              <value>157450.70</value>
          </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
          </directOrIndirectOwnership>
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   </nonDerivativeTransaction>
   <nonDerivativeTransaction>
      <securityTitle>
          <value>Common Stock (Par Value $7.50)</value>
      </securityTitle>
      <transactionDate>
          <value>2003-08-01</value>
      </transactionDate>
      <transactionCoding>
          <transactionFormType>5</transactionFormType>
          <transactionCode>L</transactionCode>
          <equitySwapInvolved>0</equitySwapInvolved>
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      <transactionTimeliness>
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      </transactionTimeliness>
      <transactionAmounts>
          <transactionShares>
              <value>14.15</value>
          </transactionShares>
          <transactionPricePerShare>
              <value>28.2611</value>
          </transactionPricePerShare>
          <transactionAcquiredDisposedCode>
              <value>A</value>
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      </transactionAmounts>
      <postTransactionAmounts>
          <sharesOwnedFollowingTransaction>
              <value>157464.86</value>
          </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
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   <nonDerivativeTransaction>
      <securityTitle>
          <value>Common Stock (Par Value $7.50)</value>
      </securityTitle>
      <transactionDate>
          <value>2003-09-02</value>
      </transactionDate>
      <transactionCoding>
          <transactionFormType>5</transactionFormType>
          <transactionCode>L</transactionCode>
          <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionTimeliness>
      <value />
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      <transactionAmounts>
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              <value>14.15</value>
          </transactionShares>
          <transactionPricePerShare>
              <value>28.2782</value>
          </transactionPricePerShare>
          <transactionAcquiredDisposedCode>
              <value>A</value>
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      </transactionAmounts>
      <postTransactionAmounts>
          <sharesOwnedFollowingTransaction>
              <value>157479.00</value>
          </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
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      <securityTitle>
          <value>Common Stock (Par Value $7.50)</value>
      </securityTitle>
      <transactionDate>
          <value>2003-10-01</value>
      </transactionDate>
      <transactionCoding>
          <transactionFormType>5</transactionFormType>
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          <equitySwapInvolved>0</equitySwapInvolved>
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      <transactionTimeliness>
      <value />
      </transactionTimeliness>
      <transactionAmounts>
          <transactionShares>
              <value>14.00</value>
          </transactionShares>
          <transactionPricePerShare>
              <value>28.5721</value>
          </transactionPricePerShare>
          <transactionAcquiredDisposedCode>
              <value>A</value>
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      <postTransactionAmounts>
          <sharesOwnedFollowingTransaction>
              <value>157493.00</value>
          </sharesOwnedFollowingTransaction>
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      <ownershipNature>
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          <value>Common Stock (Par Value $7.50)</value>
      </securityTitle>
      <transactionDate>
          <value>2003-10-27</value>
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      <transactionCoding>
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      <transactionTimeliness>
      <value />
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      <transactionAmounts>
          <transactionShares>
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          <transactionPricePerShare>
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          </transactionPricePerShare>
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      <transactionDate>
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      <transactionCoding>
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      <transactionTimeliness>
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          <transactionShares>
              <value>803.00</value>
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              <value>D</value>
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          <sharesOwnedFollowingTransaction>
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          </sharesOwnedFollowingTransaction>
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  </nonDerivativeTable>
  <derivativeTable>
  </derivativeTable>
    <ownerSignature>
       <signatureName>Thomas P. Gibbons</signatureName>
       <signatureDate>2003-10-28</signatureDate>
    </ownerSignature>
</ownershipDocument>

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