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

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-01-23</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000743397</issuerCik>
        <issuerName>FIRST MCMINNVILLE CORP</issuerName>
        <issuerTradingSymbol>None</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001212016</rptOwnerCik>
            <rptOwnerName>GONDER RUFUS W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O FIRST MCMINNVILLE CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>200 EAST MAIN STREET</rptOwnerStreet2>
            <rptOwnerCity>MCMINNVILLE</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>37110</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-01-23</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>53</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1412</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Spouse</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <remarks>The total number of shares shown in Table I includes
all shares indirectly attributable to the Reporting Person.
The number of shares directly attributable to the
Reporting Person remains unchanged from that
previously reported as reflected in Table I. The number
of derivative securities attributable to the
Reporting Person, if any, remains unchanged from that
previously reported except for any dispositions
specifically reported in Table II.

This filing shall not be deemed an admission that the
Undersigned, for the purposes of Section 16 of the
Securities Exchange Act of 1934, as amended, or otherwise,
is the beneficial owner of the securities covered by this
Statement.</remarks>

    <ownerSignature>
        <signatureName>/s/ Rufus W. Gonder</signatureName>
        <signatureDate>2006-01-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
