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

    <schemaVersion>X0706</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001230992</cik>
        <entityName>MAG SILVER CORP</entityName>
        <issuerAddress>
            <street1>#770 - 800 WEST PENDER STREET</street1>
            <city>VANCOUVER</city>
            <stateOrCountry>A1</stateOrCountry>
            <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
            <zipCode>V6C 2V6</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>604-630-1399</issuerPhoneNumber>
        <jurisdictionOfInc>BRITISH COLUMBIA, CANADA</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Daniel</firstName>
                <lastName>MacInnis</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>#770 - 800 West Pender Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6C 2V6</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Frank</firstName>
                <lastName>Hallam</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Platinum Group Metals</street1>
                <street2>Suite 328, 550 Burrard Street</street2>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6C 2B5</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Eric</firstName>
                <lastName>Carlson</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Anthem Properties</street1>
                <street2>300 - 550 Burrard Street</street2>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6C 2B5</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>R.</firstName>
                <middleName>Michael</middleName>
                <lastName>Jones</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Platinum Group Metals</street1>
                <street2>Suite 328, 550 Burrard Street</street2>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6C 2B5</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Peter</firstName>
                <lastName>Megaw</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>5800 N. Camino Escalante</street1>
                <city>Tucson</city>
                <stateOrCountry>AZ</stateOrCountry>
                <stateOrCountryDescription>ARIZONA</stateOrCountryDescription>
                <zipCode>85718</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jonathan</firstName>
                <lastName>Rubenstein</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Andagan Resources</street1>
                <street2>Suite 1050, 625 Howe Street</street2>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6C 2T6</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Richard</firstName>
                <lastName>Colterjohn</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Glencoban Capital Management, Inc.</street1>
                <street2>#905 - 130 Bloor Street West</street2>
                <city>Toronto</city>
                <stateOrCountry>A6</stateOrCountry>
                <stateOrCountryDescription>ONTARIO, CANADA</stateOrCountryDescription>
                <zipCode>M5S 1N5</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Derek</firstName>
                <lastName>White</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o KGHM International Ltd.</street1>
                <street2>Suite 2414 - 1055 Dunsmuir Street</street2>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V7X 1K8</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Larry</firstName>
                <lastName>Taddei</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>#770 - 800 West Pender Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6C 2V6</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jody</firstName>
                <lastName>Harris</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>#770 - 800 West Pender Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6C 2V6</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Gordon</firstName>
                <lastName>Neal</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>#770 - 800 West Pender Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6C 2V6</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Mike</firstName>
                <lastName>Petrina</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>#770 - 800 West Pender Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6C 2V6</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>No Revenues</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2012-09-05</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>BMO Capital Markets Corp.</recipientName>
                <recipientCRDNumber>16686</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>3 Times Square</street1>
                    <city>New York</city>
                    <stateOrCountry>NY</stateOrCountry>
                    <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                    <zipCode>10036</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CA</state>
                    <description>CALIFORNIA</description>
                    <state>CT</state>
                    <description>CONNECTICUT</description>
                    <state>NY</state>
                    <description>NEW YORK</description>
                    <state>WI</state>
                    <description>WISCONSIN</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>7209598</totalOfferingAmount>
            <totalAmountSold>7209598</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse>Total offering amt./amt. sold of common shares outside the U.S. to 29 investors under Rule 903 of Regulation S was CAD$26,108,500/USD$26,745,547 and within the U.S. to 4 investors under Rule 506 of Regulation D was CAD$7,037,874/USD$7,209,598.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>4</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>378504</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse>The Issuer paid a cash fee of 5.25% of the gross proceeds of the offering. A cash fee of CAD$369,488/USD$378,504 was paid on sales made under Rule 506 of Reg. D and a cash fee CAD$1,370,696/USD$1,404,141 was paid on sales made under Rule 903 of Reg. S.</clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>MAG SILVER CORP</issuerName>
                <signatureName>Jody Harris</signatureName>
                <nameOfSigner>Jody Harris</nameOfSigner>
                <signatureTitle>Corporate Secretary</signatureTitle>
                <signatureDate>2012-09-10</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>