-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 FS0R+9hwsSlCSgnrRrvIeH1SjpLlSQUW+iyLYwNPniqMfRYZiziBnnLnFX8Krr8S
 bv/awanTXp1gDOy0h67FWQ==

<SEC-DOCUMENT>0001479421-10-000001.txt : 20100106
<SEC-HEADER>0001479421-10-000001.hdr.sgml : 20100106
<ACCEPTANCE-DATETIME>20100106165629
ACCESSION NUMBER:		0001479421-10-000001
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
ITEM INFORMATION:		Investment Company Act Section 3(c)
ITEM INFORMATION:		Section 3(c)(1)
ITEM INFORMATION:		Section 3(c)(5)
FILED AS OF DATE:		20100106
DATE AS OF CHANGE:		20100106
EFFECTIVENESS DATE:		20100106

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Merlone Geier Partners IX, L.P.
		CENTRAL INDEX KEY:			0001479421
		IRS NUMBER:				263939391
		STATE OF INCORPORATION:			CA

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-137508
		FILM NUMBER:		10512209

	BUSINESS ADDRESS:	
		STREET 1:		425 CALIFORNIA STREET, 11TH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
		BUSINESS PHONE:		(415)693-9000

	MAIL ADDRESS:	
		STREET 1:		425 CALIFORNIA STREET, 11TH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0603</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001479421</cik>
        <entityName>Merlone Geier Partners IX, L.P.</entityName>
        <issuerAddress>
            <street1>425 CALIFORNIA STREET, 11TH FLOOR</street1>
            <city>SAN FRANCISCO</city>
            <stateOrCountry>CA</stateOrCountry>
            <zipCode>94104</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(415)693-9000</issuerPhoneNumber>
        <jurisdictionOfInc>CALIFORNIA</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2008</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Peter</firstName>
                <middleName>J.</middleName>
                <lastName>Merlone</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>425 California Street, 11th Floor</street1>
                <city>San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <zipCode>94104</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>President of the general partner of the general partner</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Bradley</firstName>
                <middleName>A.</middleName>
                <lastName>Geier</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>3580 Carmel Mountain Road, Suite 260</street1>
                <city>San Diego</city>
                <stateOrCountry>CA</stateOrCountry>
                <zipCode>92130</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Chairman of the general partner of the general partner</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Other Investment Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <aggregateNetAssetValueRange>Over $100,000,000</aggregateNetAssetValueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
            <item>3C</item>
            <item>3C.1</item>
            <item>3C.5</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2008-12-15</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>75000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>N/A</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>N/A</street1>
                    <city>N/A</city>
                    <stateOrCountry>CA</stateOrCountry>
                    <zipCode>00000</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CA</state>
                </statesOfSolicitationList>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>350000000</totalOfferingAmount>
            <totalAmountSold>350000000</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>57</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>5250000</dollarAmount>
                <isEstimate>true</isEstimate>
            </grossProceedsUsed>
            <clarificationOfResponse>The fee is an estimate of the gross amount per year that is to be paid to the GP. A portion of the fee may be used to compensate the GP or certain officers and employees of the ultimate GP to pay various expenses of the GP.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Merlone Geier Partners IX, L.P.</issuerName>
                <signatureName>Peter J. Merlone</signatureName>
                <nameOfSigner>Peter J. Merlone</nameOfSigner>
                <signatureTitle>President of the general partner of the general partner</signatureTitle>
                <signatureDate>2010-01-04</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----