<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-10-06</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000712534</issuerCik>
        <issuerName>FIRST MERCHANTS CORP</issuerName>
        <issuerTradingSymbol>FRME</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001012742</rptOwnerCik>
            <rptOwnerName>ANDERSON STEFAN S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>200 E JACKSON ST</rptOwnerStreet1>
            <rptOwnerStreet2>PO BOX 792</rptOwnerStreet2>
            <rptOwnerCity>MUNCIE</rptOwnerCity>
            <rptOwnerState>IN</rptOwnerState>
            <rptOwnerZipCode>47308-0792</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Chairman - Board of Directors</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F2"/>
                <footnoteId id="F3"/>
                <footnoteId id="F4"/>
            </securityTitle>
            <transactionDate>
                <value>2004-10-06</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>G</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>200</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>75377</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Gift of reporting person to Ball Memorial Hospital Foundation of 200 shares.</footnote>
        <footnote id="F2">Common stock owned indirect by spouse 2,071 shares.</footnote>
        <footnote id="F3">Non-employee director stock option - right to buy - 6,946 shares.</footnote>
        <footnote id="F4">Employee stock option - right to buy - 23,616 shares.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Larry R. Helms (Confirming Statement on File)</signatureName>
        <signatureDate>2004-10-07</signatureDate>
    </ownerSignature>
</ownershipDocument>

