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      <OtherAssetsTotalGrp>
        <EOYAmt>123021</EOYAmt>
      </OtherAssetsTotalGrp>
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        <EOYAmt>1967777</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
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        <EOYAmt>56745</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>2961</BOYAmt>
        <EOYAmt>56745</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>1350295</BOYAmt>
        <EOYAmt>1337962</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>459100</BOYAmt>
        <EOYAmt>573070</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>1809395</BOYAmt>
        <EOYAmt>1911032</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>1812356</BOYAmt>
        <EOYAmt>1967777</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>-13195</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>114832</NetUnrlzdGainsLossesInvstAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc6">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>144533</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>332615</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>134564</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>687702</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>497593</CurrentTaxYearAmt>
        <TotalAmt>1797007</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>144533</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>332615</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>134564</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>687702</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>497593</CurrentTaxYearAmt>
        <TotalAmt>1797007</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>1138204</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>658803</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>8731</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>8683</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>8474</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>10</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>8794</CurrentTaxYearAmt>
        <TotalAmt>34692</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <OtherIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>25574</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>31973</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>16456</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>4518</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>9692</CurrentTaxYearAmt>
        <TotalAmt>88213</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>1919912</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>145828</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.34310</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.42840</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART II, LINE 10</FormAndLineReferenceDesc>
        <ExplanationTxt>GIFT SHOP SALES 78,521</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="RetDoc4">
      <CollectionUsedPubExhibitionInd>X</CollectionUsedPubExhibitionInd>
      <CollectionUsedPreservationInd>X</CollectionUsedPreservationInd>
      <SolicitedAssetsSaleInd>false</SolicitedAssetsSaleInd>
      <LandGrp>
        <OtherCostOrOtherBasisAmt>106944</OtherCostOrOtherBasisAmt>
        <BookValueAmt>106944</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>1922153</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>945338</DepreciationAmt>
        <BookValueAmt>976815</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>197573</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>172258</DepreciationAmt>
        <BookValueAmt>25315</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>1109074</TotalBookValueLandBuildingsAmt>
      <OtherSecuritiesGrp>
        <Desc>MUTUAL FUNDS</Desc>
        <BookValueAmt>426267</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <TotalBookValueSecuritiesAmt>426267</TotalBookValueSecuritiesAmt>
      <OtherAssetsOrgGrp>
        <Desc>CONSTRUCTION IN PROGRESS</Desc>
        <BookValueAmt>123021</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>123021</TotalBookValueOtherAssetsAmt>
      <TotalRevEtcAuditedFinclStmtAmt>599723</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>114832</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>6118</OtherRevenueAmt>
      <RevenueNotReportedAmt>120950</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>478773</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>1000</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>1000</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>479773</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>498086</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>6118</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>6118</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>491968</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>1000</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>1000</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>492968</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 2, PART III, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>WESTPORT HISTORICAL SOCIETY'S COLLECTIONS COMPRISE OF HISTORICAL ARCHIVES, COSTUMES, AND OBJECTS, AS WELL AS THE NATIONAL REGISTER BARN AND HOUSE LOCATED IN THE DOWNTOWN MERCANTILE AREA OF THE TOWN. THE HOUSE AND BARN PROVIDE VISTORS WITH THE OPPORTUNITY TO VIEW AND UNDERSTAND ONE OF THE FEW HISTORIC PROPERTIES WHOLLY-INTACT WITHIN THE TOWN CENTER. WHS' ARCHIVES, WHICH INCLUDE PAPER DOCUMENTS AS WELL AS PHOTOGRAPHS, FILM REELS AND AUDIO, PROVIDE RESEARCHER'S TANGIBLE PRIMARY SOURCE EVIDENCE OF WESTPORT'S HISTORY AND ITS ROLE IN A LARGER HISTORICAL CONTEXT OF THE STATE AND NATION. ART, ARTIFACTS, OBJECTS AND COSTUMES ALLOW THE ORGANIZATION TO ENGAGE VISTORS WITH CONCRETE ITEMS TO DEMONSTRATE THE TOWN'S HISTORY IN AN ENGAGING WAY BY USING PRIMARY SOURCE MATERIAL, THUS FURTHERING WHS' MISSION OF EDUCATING THE PUBLIC ABOUT WESTPORT HERITAGE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 4, PART XI, LINE 2D</FormAndLineReferenceDesc>
        <ExplanationTxt>GIFT SHOP EXPENSES SHOWN NET AGAINST REVENUE 6,118</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 4, PART XII, LINE 2D</FormAndLineReferenceDesc>
        <ExplanationTxt>GIFT SHOP EXPENSES SHOWN NET AGAINST REVENUE 6,118</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc5">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>A COPY OF THE 990 WAS PROVIDED TO THE BOARD MEMBERS FOR REVIEW BEFORE IT WAS FILED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION REGULARLY REVIEWS CONTRACTS AND RELATIONSHIPS WITH DIRECTORS, OFFICERS, ADVISORY COUNCIL MEMBERS, EMPLOYEES AND VENDORS TO ASSURE COMPLIANCE WITH ITS CONFLICT OF INTEREST POLICY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9</FormAndLineReferenceDesc>
        <ExplanationTxt>GIFT SHOP EXPENSES SHOWN NET AGAINST REVENUE 6,118 GIFT SHOP EXPENSES SHOWN NET AGAINST REVENUE -6,118</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
