﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2010v3.2" xsi:schemaLocation="http://www.irs.gov/efile">
  <ReturnHeader binaryAttachmentCount="0">
    <Timestamp>2011-11-14T08:03:10-08:00</Timestamp>
    <TaxPeriodEndDate>2010-12-31</TaxPeriodEndDate>
    <ReturnType>990PF</ReturnType>
    <TaxPeriodBeginDate>2010-01-01</TaxPeriodBeginDate>
    <Filer>
      <EIN>204393788</EIN>
      <Name>
        <BusinessNameLine1>WEIR FAMILY FOUNDATION</BusinessNameLine1>
      </Name>
      <NameControl>WEIR</NameControl>
      <Phone>7132243100</Phone>
      <USAddress>
        <AddressLine1>600 TRAVIS</AddressLine1>
        <City>HOUSTON</City>
        <State>TX</State>
        <ZIPCode>77002</ZIPCode>
      </USAddress>
    </Filer>
    <Officer>
      <Name>DONALD V WEIR</Name>
      <Title>Director</Title>
      <DateSigned>2011-11-14</DateSigned>
    </Officer>
    <TaxYear>2010</TaxYear>
    <BuildTS>2016-03-07 17:11:31Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCount="4">
    <IRS990PF documentId="IRS990PF" referenceDocumentId=" GeneralExplanation" softwareId="10000105" softwareVersion="2010v3.2">
      <ExemptPF>X</ExemptPF>
      <FMVAssetsEOY>64489</FMVAssetsEOY>
      <MethodOfAccountingCash>X</MethodOfAccountingCash>
      <AnalysisOfRevenueAndExpenses>
        <ContriReceivedRevAndExpnss>7776</ContriReceivedRevAndExpnss>
        <NetGainSaleAssetsRevAndExpnss>7776</NetGainSaleAssetsRevAndExpnss>
        <GrossSalesPrice>7776</GrossSalesPrice>
        <CapitalGainNetIncmNetInvstIncm>7776</CapitalGainNetIncmNetInvstIncm>
        <NetSTCGAdjNetIncm>7776</NetSTCGAdjNetIncm>
        <TotalRevenueAndExpenses>15552</TotalRevenueAndExpenses>
        <TotalNetInvestmentIncome>7776</TotalNetInvestmentIncome>
        <TotalAdjustedNetIncome>7776</TotalAdjustedNetIncome>
        <DeprecAndDepletionRevAndExpnss referenceDocumentId=" DepreciationSchedule">0</DeprecAndDepletionRevAndExpnss>
        <OtherExpensesRevAndExpnss referenceDocumentId="OtherExpensesSchedule AmortizationSchedule">75</OtherExpensesRevAndExpnss>
        <TotOprExpensesRevAndExpnss>75</TotOprExpensesRevAndExpnss>
        <TotOprExpensesNetInvstIncm>0</TotOprExpensesNetInvstIncm>
        <TotOprExpensesDsbrsChrtblPrps>0</TotOprExpensesDsbrsChrtblPrps>
        <ContriGiftsPaidRevAndExpnss>0</ContriGiftsPaidRevAndExpnss>
        <ContriGiftsPaidDsbrsChrtblPrps>0</ContriGiftsPaidDsbrsChrtblPrps>
        <TotalExpensesRevAndExpnss>75</TotalExpensesRevAndExpnss>
        <TotalExpensesNetInvstIncm>0</TotalExpensesNetInvstIncm>
        <TotalExpensesDsbrsChrtblPrps>0</TotalExpensesDsbrsChrtblPrps>
        <ExcessOfRevenueOverExpenses>15477</ExcessOfRevenueOverExpenses>
        <NetInvestmentIncome>7776</NetInvestmentIncome>
        <AdjustedNetIncome>7776</AdjustedNetIncome>
      </AnalysisOfRevenueAndExpenses>
      <BalanceSheets>
        <SavingsAndTempCashInvstBOY>438</SavingsAndTempCashInvstBOY>
        <SavingsAndTempCashInvstEOY>8139</SavingsAndTempCashInvstEOY>
        <SavingsAndTempCashInvstEOYFMV>8139</SavingsAndTempCashInvstEOYFMV>
        <InvestmentsCorpStockBOY>27219</InvestmentsCorpStockBOY>
        <InvestmentsCorpStockEOY>27219</InvestmentsCorpStockEOY>
        <InvestmentsCorpStockEOYFMV>56350</InvestmentsCorpStockEOYFMV>
        <TotalAssetsBOY>27657</TotalAssetsBOY>
        <TotalAssetsEOY>35358</TotalAssetsEOY>
        <TotalAssetsEOYFMV>64489</TotalAssetsEOYFMV>
        <TotalLiabilitiesEOY>0</TotalLiabilitiesEOY>
        <OrgThatDoNotFollowSFAS117>X</OrgThatDoNotFollowSFAS117>
        <CapitalStockBOY>27657</CapitalStockBOY>
        <CapitalStockEOY>35358</CapitalStockEOY>
        <TotalNetAssetsBOY>27657</TotalNetAssetsBOY>
        <TotalNetAssetsEOY>35358</TotalNetAssetsEOY>
        <TotalLiabilitiesNetAssetsBOY>27657</TotalLiabilitiesNetAssetsBOY>
        <TotalLiabilitiesNetAssetsEOY>35358</TotalLiabilitiesNetAssetsEOY>
      </BalanceSheets>
      <ChangesInNetAssetsFundBalances>
        <TotalNetAssetsFundBalancesBOY>27657</TotalNetAssetsFundBalancesBOY>
        <ExcessOfRevenueOverExpenses>15477</ExcessOfRevenueOverExpenses>
        <Subtotal>43134</Subtotal>
        <OtherDecreases referenceDocumentId=" OtherDecreasesSchedule">7776</OtherDecreases>
        <TotalNetAssetsFundBalancesEOY>35358</TotalNetAssetsFundBalancesEOY>
      </ChangesInNetAssetsFundBalances>
      <CapitalGainsAndLosses>
        <CapitalGainNetIncome>7776</CapitalGainNetIncome>
        <NetShortTermCapitalGainOrLoss>7776</NetShortTermCapitalGainOrLoss>
      </CapitalGainsAndLosses>
      <QlfyUndSect4940eForReducedTax>
        <LiableFor4942Tax>false</LiableFor4942Tax>
        <NoncharitableAssetsYear1>26174</NoncharitableAssetsYear1>
        <QualifyingDistributionsYear2>4000</QualifyingDistributionsYear2>
        <NoncharitableAssetsYear2>29954</NoncharitableAssetsYear2>
        <DistributionRatioYear2>0.13354</DistributionRatioYear2>
        <QualifyingDistributionsYear3>36157</QualifyingDistributionsYear3>
        <NoncharitableAssetsYear3>48331</NoncharitableAssetsYear3>
        <DistributionRatioYear3>0.74811</DistributionRatioYear3>
        <QualifyingDistributionsYear4>25297</QualifyingDistributionsYear4>
        <NoncharitableAssetsYear4>79287</NoncharitableAssetsYear4>
        <DistributionRatioYear4>0.31906</DistributionRatioYear4>
        <TotalDistributionRatio>1.20071</TotalDistributionRatio>
        <AverageDistributionRatio>0.30018</AverageDistributionRatio>
        <NetNoncharitableAssets>43866</NetNoncharitableAssets>
        <AdjustedNoncharitableAssets>13168</AdjustedNoncharitableAssets>
        <OnePercentNetInvestmentIncome>78</OnePercentNetInvestmentIncome>
        <AdjNonchrtblAssetsAndOnePct>13246</AdjNonchrtblAssetsAndOnePct>
      </QlfyUndSect4940eForReducedTax>
      <ExciseTaxBasedOnInvestmentIncm>
        <InvestmentIncomeExciseTax>156</InvestmentIncomeExciseTax>
        <Subtotal>156</Subtotal>
        <TaxBasedOnInvestmentIncome>156</TaxBasedOnInvestmentIncome>
        <TaxDue>156</TaxDue>
        <AmountCreditedToNextYear>0</AmountCreditedToNextYear>
      </ExciseTaxBasedOnInvestmentIncm>
      <StatementsRegardingActivities>
        <LegislativePoliticalActivities>false</LegislativePoliticalActivities>
        <MoreThan100Spent>false</MoreThan100Spent>
        <Form1120POLFiled>false</Form1120POLFiled>
        <ActivitiesNotPrevReported>false</ActivitiesNotPrevReported>
        <ChangesToArticlesOrBylaws>false</ChangesToArticlesOrBylaws>
        <UnrelatedBusIncomeOver1000>false</UnrelatedBusIncomeOver1000>
        <Form990TFiled>false</Form990TFiled>
        <TerminationEtc>false</TerminationEtc>
        <RequirementsOfSect508e>true</RequirementsOfSect508e>
        <AtLeast5000InAssets>true</AtLeast5000InAssets>
        <Form990PFFiledWithAG>true</Form990PFFiledWithAG>
        <PrivateOperatingFoundation>false</PrivateOperatingFoundation>
        <NewSubstantialContributors>false</NewSubstantialContributors>
        <InterestInControlledEntity>false</InterestInControlledEntity>
        <ApplicableInsuranceContract>false</ApplicableInsuranceContract>
        <ComplyWithPublicInspectionRqr>true</ComplyWithPublicInspectionRqr>
        <WebsiteAddress>N/A</WebsiteAddress>
        <BooksInCareOfBusinessName>
          <BusinessNameLine1>DON WEIR</BusinessNameLine1>
        </BooksInCareOfBusinessName>
        <BooksInCareOfPhoneNumber>7132504118</BooksInCareOfPhoneNumber>
        <BooksInCareOfUSAddress>
          <AddressLine1>600 TRAVIS SUITE 5800</AddressLine1>
          <City>HOUSTON</City>
          <State>TX</State>
          <ZIPCode>77002</ZIPCode>
        </BooksInCareOfUSAddress>
        <ForeignBank>false</ForeignBank>
      </StatementsRegardingActivities>
      <StatementsRegardingActy4720>
        <SaleOrExchangeWithDsqflyPerson>false</SaleOrExchangeWithDsqflyPerson>
        <BorrowOrLendWithDsqflyPerson>false</BorrowOrLendWithDsqflyPerson>
        <FurnishedGoodsWithDsqflyPerson>false</FurnishedGoodsWithDsqflyPerson>
        <PayCompensationToDsqflyPerson>false</PayCompensationToDsqflyPerson>
        <TransferAssetsToDsqflyPerson>false</TransferAssetsToDsqflyPerson>
        <PaymentToGovernmentOffical>false</PaymentToGovernmentOffical>
        <ActsFailToQualifyAsExceptions>false</ActsFailToQualifyAsExceptions>
        <UncorrectedPriorActs>false</UncorrectedPriorActs>
        <UndistributedIncomePriorYears>false</UndistributedIncomePriorYears>
        <UndistrIncome4942a2NotApplied>false</UndistrIncome4942a2NotApplied>
        <BusinessHoldings>false</BusinessHoldings>
        <ExcessBusinessHoldings>false</ExcessBusinessHoldings>
        <JeopardyInvestments>false</JeopardyInvestments>
        <UncorrectedJeopardyInvestments>false</UncorrectedJeopardyInvestments>
        <InfluenceLegislation>false</InfluenceLegislation>
        <InfluenceElection>false</InfluenceElection>
        <GrantsToIndividuals>false</GrantsToIndividuals>
        <GrantsToOrganizations>false</GrantsToOrganizations>
        <NoncharitablePurpose>false</NoncharitablePurpose>
        <TrFailToQualifyAsExceptions>false</TrFailToQualifyAsExceptions>
        <MaintExpendResponsibility>false</MaintExpendResponsibility>
        <RcvFundsToPayPrsnlBnftContract>false</RcvFundsToPayPrsnlBnftContract>
        <PayPremiumsPrsnlBnftContract>false</PayPremiumsPrsnlBnftContract>
        <ProhibitedTaxShelterTransactn>false</ProhibitedTaxShelterTransactn>
        <ProceedsOrNetIncome>false</ProceedsOrNetIncome>
      </StatementsRegardingActy4720>
      <OfcrDirTrusteesKeyEmployeeInfo>
        <OfcrDirTrusteesOrKeyEmployee>
          <PersonName>SHANNON WEIR</PersonName>
          <USAddress>
            <AddressLine1>4013 W ALABAMA</AddressLine1>
            <City>HOUSTON</City>
            <State>TX</State>
            <ZIPCode>77027</ZIPCode>
          </USAddress>
          <Title>Director</Title>
          <AvgHoursPerWkDevotedToPosition>0.00</AvgHoursPerWkDevotedToPosition>
          <Compensation>0</Compensation>
        </OfcrDirTrusteesOrKeyEmployee>
        <OfcrDirTrusteesOrKeyEmployee>
          <PersonName>ERIC WEIR</PersonName>
          <USAddress>
            <AddressLine1>4013 W ALABAMA</AddressLine1>
            <City>HOUSTON</City>
            <State>TX</State>
            <ZIPCode>77027</ZIPCode>
          </USAddress>
          <Title>Director</Title>
          <AvgHoursPerWkDevotedToPosition>0.00</AvgHoursPerWkDevotedToPosition>
          <Compensation>0</Compensation>
        </OfcrDirTrusteesOrKeyEmployee>
        <OfcrDirTrusteesOrKeyEmployee>
          <PersonName>LISA WEIR</PersonName>
          <USAddress>
            <AddressLine1>5418 BLOSSOM</AddressLine1>
            <City>HOUSTON</City>
            <State>TX</State>
            <ZIPCode>77027</ZIPCode>
          </USAddress>
          <Title>Director</Title>
          <AvgHoursPerWkDevotedToPosition>0.00</AvgHoursPerWkDevotedToPosition>
          <Compensation>0</Compensation>
        </OfcrDirTrusteesOrKeyEmployee>
        <OfcrDirTrusteesOrKeyEmployee>
          <PersonName>PAUL TATE</PersonName>
          <USAddress>
            <AddressLine1>12402 HUNTINGWICK</AddressLine1>
            <City>HOUSTON</City>
            <State>TX</State>
            <ZIPCode>77024</ZIPCode>
          </USAddress>
          <Title>Director</Title>
          <AvgHoursPerWkDevotedToPosition>0.00</AvgHoursPerWkDevotedToPosition>
          <Compensation>0</Compensation>
        </OfcrDirTrusteesOrKeyEmployee>
        <OfcrDirTrusteesOrKeyEmployee>
          <PersonName>LARA TATE</PersonName>
          <USAddress>
            <AddressLine1>12402 HUNTINHWICK</AddressLine1>
            <City>HOUSTON</City>
            <State>TX</State>
            <ZIPCode>77024</ZIPCode>
          </USAddress>
          <Title>Director</Title>
          <AvgHoursPerWkDevotedToPosition>0.00</AvgHoursPerWkDevotedToPosition>
          <Compensation>0</Compensation>
        </OfcrDirTrusteesOrKeyEmployee>
        <OfcrDirTrusteesOrKeyEmployee>
          <PersonName>JULIE WEIR</PersonName>
          <USAddress>
            <AddressLine1>303 GREENBELT</AddressLine1>
            <City>HOUSTON</City>
            <State>TX</State>
            <ZIPCode>77079</ZIPCode>
          </USAddress>
          <Title>Director</Title>
          <AvgHoursPerWkDevotedToPosition>0.00</AvgHoursPerWkDevotedToPosition>
          <Compensation>0</Compensation>
        </OfcrDirTrusteesOrKeyEmployee>
        <OfcrDirTrusteesOrKeyEmployee>
          <PersonName>DONALD V WEIR</PersonName>
          <USAddress>
            <AddressLine1>303 GREENBELT</AddressLine1>
            <City>HOUSTON</City>
            <State>TX</State>
            <ZIPCode>77002</ZIPCode>
          </USAddress>
          <Title>Foundation Mana</Title>
          <AvgHoursPerWkDevotedToPosition>0.00</AvgHoursPerWkDevotedToPosition>
          <Compensation>0</Compensation>
        </OfcrDirTrusteesOrKeyEmployee>
        <CompOfHighestPaidEmplNONE>NONE</CompOfHighestPaidEmplNONE>
        <CompOfHghstPaidCntrctNONE>NONE</CompOfHghstPaidCntrctNONE>
      </OfcrDirTrusteesKeyEmployeeInfo>
      <MinimumInvestmentReturn>
        <AvgMonthlyFMVOfSecurities>43556</AvgMonthlyFMVOfSecurities>
        <AvgMonthlyCashBalances>978</AvgMonthlyCashBalances>
        <FMVAllOtherNoncharitableAssets>0</FMVAllOtherNoncharitableAssets>
        <TotalFMVOfUnusedAssets>44534</TotalFMVOfUnusedAssets>
        <ReductionClaimed>0</ReductionClaimed>
        <AdjTotalFMVOfUnusedAssets>44534</AdjTotalFMVOfUnusedAssets>
        <CashDeemedCharitable>668</CashDeemedCharitable>
        <NetNoncharitableAssets>43866</NetNoncharitableAssets>
        <MinimumInvestmentReturn>2193</MinimumInvestmentReturn>
      </MinimumInvestmentReturn>
      <DistributableAmount>
        <MinimumInvestmentReturn>2193</MinimumInvestmentReturn>
        <TaxBasedOnInvestmentIncome>156</TaxBasedOnInvestmentIncome>
        <TotalTax>156</TotalTax>
        <DistributableAmountBeforeAdj>2037</DistributableAmountBeforeAdj>
        <DistributableAmountBeforeDed>2037</DistributableAmountBeforeDed>
        <DistributableAmountAsAdjusted>2037</DistributableAmountAsAdjusted>
      </DistributableAmount>
      <QualifyingDistributions>
        <ExpensesAndContributions>0</ExpensesAndContributions>
      </QualifyingDistributions>
      <UndistributedIncome>
        <DistributableAmountAsAdjusted>2037</DistributableAmountAsAdjusted>
        <ExcessDistriCarryoverYear4>22671</ExcessDistriCarryoverYear4>
        <ExcessDistriCarryoverYear3>33826</ExcessDistriCarryoverYear3>
        <ExcessDistriCarryoverYear2>2505</ExcessDistriCarryoverYear2>
        <TotalExcessDistriCarryover>59002</TotalExcessDistriCarryover>
        <TreatedAsDistriFromCorpus>0</TreatedAsDistriFromCorpus>
        <ExcessDistriCyovAppCYCorpus>2037</ExcessDistriCyovAppCYCorpus>
        <ExcessDistriCyovAppliedCY>2037</ExcessDistriCyovAppliedCY>
        <TotalCorpus>56965</TotalCorpus>
        <UndistributedIncomeCY>0</UndistributedIncomeCY>
        <ExcessDistriCyovToNextYear>56965</ExcessDistriCyovToNextYear>
        <ExcessFromYear4>20634</ExcessFromYear4>
        <ExcessFromYear3>33826</ExcessFromYear3>
        <ExcessFromYear2>2505</ExcessFromYear2>
      </UndistributedIncome>
      <SupplementaryInformation>
        <ContributingManager>DONALD V WEIR</ContributingManager>
        <OnlyContributesToPreselected>X</OnlyContributesToPreselected>
      </SupplementaryInformation>
      <AnalysisIncomeProducingActy>
        <DividendsAndIntFromSecPartVII>
          <ExclusionCode>14</ExclusionCode>
        </DividendsAndIntFromSecPartVII>
        <GainSalesAssetsOthThanInvntry>
          <ExclusionCode>18</ExclusionCode>
          <ExclusionAmount>7776</ExclusionAmount>
        </GainSalesAssetsOthThanInvntry>
        <SubtotalsPartXVIA>
          <ExclusionAmount>7776</ExclusionAmount>
        </SubtotalsPartXVIA>
        <TotalPartXVIA>7776</TotalPartXVIA>
      </AnalysisIncomeProducingActy>
      <TrnsfrTrRlnWithNoncharitableEO>
        <TrnsfrOfCashToNoncharitableEO>false</TrnsfrOfCashToNoncharitableEO>
        <TrnsfrOthAssetsNoncharitableEO>false</TrnsfrOthAssetsNoncharitableEO>
        <SalesOrExchangesOfAssets>false</SalesOrExchangesOfAssets>
        <PurchaseAssetsNoncharitableEO>false</PurchaseAssetsNoncharitableEO>
        <RentalOfFacilitiesEtc>false</RentalOfFacilitiesEtc>
        <ReimbursementArrangements>false</ReimbursementArrangements>
        <LoansOrLoanGuarantees>false</LoansOrLoanGuarantees>
        <PerformanceOfServicesEtc>false</PerformanceOfServicesEtc>
        <SharingOfFacilitiesEtc>false</SharingOfFacilitiesEtc>
        <RelationshipsNoncharitableEOs>false</RelationshipsNoncharitableEOs>
      </TrnsfrTrRlnWithNoncharitableEO>
    </IRS990PF>
    <IRS990ScheduleB documentId="IRS990ScheduleB" softwareId="10000105" softwareVersion="2010v3.2">
      <Organization501c3ExemptPF>X</Organization501c3ExemptPF>
      <GeneralRule>X</GeneralRule>
      <ContributorInfo>
        <ContributorNumber>1</ContributorNumber>
        <ContributorNameIndividual>ERIC WEIR</ContributorNameIndividual>
        <ContributorAddressUS>
          <AddressLine1>12211 MOSSYCUP</AddressLine1>
          <City>HOUSTON</City>
          <State>TX</State>
          <ZIPCode>77024</ZIPCode>
        </ContributorAddressUS>
        <AggregateContributions>7166</AggregateContributions>
        <NoncashContributionType>X</NoncashContributionType>
      </ContributorInfo>
      <NoncashProperty>
        <ContributorNumberFromPartI>1</ContributorNumberFromPartI>
        <NoncashPropertyDescription>1000 SHS GRAN TIERRA ENERGY</NoncashPropertyDescription>
        <FairMarketValue>7166</FairMarketValue>
        <DateReceived>2010-12-10</DateReceived>
      </NoncashProperty>
    </IRS990ScheduleB>
    <OtherDecreasesSchedule documentId="OtherDecreasesSchedule" softwareId="10000105" softwareVersion="2010v3.2">
      <OtherDecreases>
        <Description>EXCESS FMV OVER BASIS- STOCK GRANT</Description>
        <Amount>7776</Amount>
      </OtherDecreases>
    </OtherDecreasesSchedule>
    <OtherExpensesSchedule documentId="OtherExpensesSchedule" softwareId="10000105" softwareVersion="2010v3.2">
      <OtherExpenses>
        <Description>MISCELLANEOUS</Description>
        <RevenueAndExpensesPerBooks>75</RevenueAndExpensesPerBooks>
      </OtherExpenses>
    </OtherExpensesSchedule>
  </ReturnData>
</Return>