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  <headerData>
    <submissionType>13F-HR</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <returnCopyFlag>true</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
      </flags>
      <filer>
        <credentials>
          <cik>0001259664</cik>
          <ccc>XXXXXXXX</ccc>
        </credentials>
      </filer>
      <periodOfReport>12-31-2014</periodOfReport>
    </filerInfo>
  </headerData>
  <formData>
    <coverPage>
      <reportCalendarOrQuarter>12-31-2014</reportCalendarOrQuarter>
      <filingManager>
        <name>FIRST MERCANTILE TRUST CO</name>
        <address>
          <ns1:street1>57 GERMANTOWN COURT</ns1:street1>
          <ns1:street2>STE 400</ns1:street2>
          <ns1:city>CORDOVA</ns1:city>
          <ns1:stateOrCountry>TN</ns1:stateOrCountry>
          <ns1:zipCode>38018</ns1:zipCode>
        </address>
      </filingManager>
      <reportType>13F COMBINATION REPORT</reportType>
      <form13FFileNumber>028-10498</form13FFileNumber>
      <otherManagersInfo>
        <otherManager>
          <form13FFileNumber>028-05933</form13FFileNumber>
          <name>Argent</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-02634</form13FFileNumber>
          <name>Aristotle</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-01203</form13FFileNumber>
          <name>C.S. McKee</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-05573</form13FFileNumber>
          <name>CastleArk</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-10449</form13FFileNumber>
          <name>CCI</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-14575</form13FFileNumber>
          <name>Cornerstone</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-12766</form13FFileNumber>
          <name>Cupps</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-05267</form13FFileNumber>
          <name>Jackson Square</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-03320</form13FFileNumber>
          <name>Delta</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-06630</form13FFileNumber>
          <name>Disciplined Growth Investors</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-02499</form13FFileNumber>
          <name>Fisher Investments</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-01185</form13FFileNumber>
          <name>Frontier</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-03935</form13FFileNumber>
          <name>Geneva</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-2013</form13FFileNumber>
          <name>Harris Associates</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-04663</form13FFileNumber>
          <name>Highland Equity</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-03719</form13FFileNumber>
          <name>McKinley</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-05723</form13FFileNumber>
          <name>MetWest</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-03692</form13FFileNumber>
          <name>Miller/Howard</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-12027</form13FFileNumber>
          <name>NewSouth</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-01474</form13FFileNumber>
          <name>NWQ</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-11411</form13FFileNumber>
          <name>Opus</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-14013</form13FFileNumber>
          <name>HighMark Capital Management</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-00154</form13FFileNumber>
          <name>Ruane</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-03459</form13FFileNumber>
          <name>Smith Group</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-11465</form13FFileNumber>
          <name>Sterling</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-05601</form13FFileNumber>
          <name>Thomas White</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-12572</form13FFileNumber>
          <name>Tradewinds</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-06354</form13FFileNumber>
          <name>Victory</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-07104</form13FFileNumber>
          <name>WCM</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-14047</form13FFileNumber>
          <name>Wellington</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-10622</form13FFileNumber>
          <name>Zevenbergen</name>
        </otherManager>
      </otherManagersInfo>
      <provideInfoForInstruction5>Y</provideInfoForInstruction5>
      <additionalInformation>First Mercantile Trust Company is an indirect wholly-owned  subsidiary of Massachusetts Mutual Life Insurance Company (MassMutual).  Wherever First Mercantile Trust Company has indicated that it exercises investment discretion  with respect to the positions reported on this Form 13F, such positions shall  be deemed reported on behalf of MassMutual to the extent that MassMutual is  deemed to share investment discretion over the positions as a result of  MassMutual's indirect ownership interest in First Mercantile Trust Company.</additionalInformation>
    </coverPage>
    <signatureBlock>
      <name>Neomal Abeysekera</name>
      <title>ERISA Compliance Officer</title>
      <phone>901-463-1108</phone>
      <signature>Neomal Abeysekera</signature>
      <city>Cordova</city>
      <stateOrCountry>TN</stateOrCountry>
      <signatureDate>01-07-2015</signatureDate>
    </signatureBlock>
    <summaryPage>
      <otherIncludedManagersCount>31</otherIncludedManagersCount>
      <tableEntryTotal>1791</tableEntryTotal>
      <tableValueTotal>1236577</tableValueTotal>
      <isConfidentialOmitted>false</isConfidentialOmitted>
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        <otherManager2>
          <sequenceNumber>1</sequenceNumber>
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            <form13FFileNumber>028-05933</form13FFileNumber>
            <name>Argent</name>
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        </otherManager2>
        <otherManager2>
          <sequenceNumber>2</sequenceNumber>
          <otherManager>
            <form13FFileNumber>028-02634</form13FFileNumber>
            <name>Aristotle</name>
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          <otherManager>
            <form13FFileNumber>028-01203</form13FFileNumber>
            <name>C.S. McKee</name>
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        <otherManager2>
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          <otherManager>
            <form13FFileNumber>028-05573</form13FFileNumber>
            <name>CastleArk</name>
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        </otherManager2>
        <otherManager2>
          <sequenceNumber>5</sequenceNumber>
          <otherManager>
            <form13FFileNumber>028-10449</form13FFileNumber>
            <name>CCI</name>
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        </otherManager2>
        <otherManager2>
          <sequenceNumber>6</sequenceNumber>
          <otherManager>
            <form13FFileNumber>028-14575</form13FFileNumber>
            <name>Cornerstone</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>7</sequenceNumber>
          <otherManager>
            <form13FFileNumber>028-12766</form13FFileNumber>
            <name>Cupps</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>8</sequenceNumber>
          <otherManager>
            <form13FFileNumber>028-05267</form13FFileNumber>
            <name>Jackson Square</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>9</sequenceNumber>
          <otherManager>
            <form13FFileNumber>028-03320</form13FFileNumber>
            <name>Delta</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>10</sequenceNumber>
          <otherManager>
            <form13FFileNumber>028-06630</form13FFileNumber>
            <name>Disciplined Growth Investors</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>11</sequenceNumber>
          <otherManager>
            <form13FFileNumber>028-02499</form13FFileNumber>
            <name>Fisher Investments</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>12</sequenceNumber>
          <otherManager>
            <form13FFileNumber>028-01185</form13FFileNumber>
            <name>Frontier</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>13</sequenceNumber>
          <otherManager>
            <form13FFileNumber>028-03935</form13FFileNumber>
            <name>Geneva</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>14</sequenceNumber>
          <otherManager>
            <form13FFileNumber>028-2013</form13FFileNumber>
            <name>Harris Associates</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>15</sequenceNumber>
          <otherManager>
            <form13FFileNumber>028-03959</form13FFileNumber>
            <name>Highland Equity</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>16</sequenceNumber>
          <otherManager>
            <form13FFileNumber>028-03719</form13FFileNumber>
            <name>McKinley</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>17</sequenceNumber>
          <otherManager>
            <form13FFileNumber>028-05723</form13FFileNumber>
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          </otherManager>
        </otherManager2>
        <otherManager2>
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          <otherManager>
            <form13FFileNumber>028-03692</form13FFileNumber>
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          <otherManager>
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            <form13FFileNumber>028-04663</form13FFileNumber>
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        <otherManager2>
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            <form13FFileNumber>028-07104</form13FFileNumber>
            <name>WCM</name>
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        </otherManager2>
        <otherManager2>
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          <otherManager>
            <form13FFileNumber>028-14047</form13FFileNumber>
            <name>Wellington</name>
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        <otherManager2>
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          <otherManager>
            <form13FFileNumber>028-10622</form13FFileNumber>
            <name>Zevenbergen</name>
          </otherManager>
        </otherManager2>
      </otherManagers2Info>
    </summaryPage>
  </formData>
</edgarSubmission>
