﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2025v4.2">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-07-20T08:32:20-05:00</ReturnTs>
    <TaxPeriodEndDt>2025-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>310962125</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>WHITED SEIGNEUR SAMS &amp; RAHE CPAS LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>213 SOUTH PAINT STREET</AddressLine1Txt>
        <CityNm>CHILLICOTHE</CityNm>
        <StateAbbreviationCd>OH</StateAbbreviationCd>
        <ZIPCd>456013828</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>301033794</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>TRISTAN MILLER FOUNDATION</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>TRIS</BusinessNameControlTxt>
      <PhoneNum>7407018044</PhoneNum>
      <USAddress>
        <AddressLine1Txt>491 SULPHUR SPRING ROAD</AddressLine1Txt>
        <CityNm>CHILLICOTHE</CityNm>
        <StateAbbreviationCd>OH</StateAbbreviationCd>
        <ZIPCd>45601</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>JENNIFER MILLER</PersonNm>
      <PersonTitleTxt>PRESIDENT</PersonTitleTxt>
      <PhoneNum>7407018044</PhoneNum>
      <SignatureDt>2026-07-01</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>KATIE E GUBA</PreparerPersonNm>
      <PTIN>P00661518</PTIN>
      <PhoneNum>7407022600</PhoneNum>
      <PreparationDt>2026-07-01</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="5">
    <IRS990EZ documentId="RetDoc1234200001" referenceDocumentId="RetDoc1051800001 RetDoc2278000001">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>TRISTANMILLERFOUNDATION.COM</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc1039100001">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>50668</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>13034</ContributionsGiftsGrantsEtcAmt>
      <InvestmentIncomeAmt>34</InvestmentIncomeAmt>
      <FundraisingGrossIncomeAmt referenceDocumentId="RetDoc1041300001">37600</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>19475</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>18125</SpecialEventsNetIncomeLossAmt>
      <TotalRevenueAmt>31193</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>17610</GrantsAndSimilarAmountsPaidAmt>
      <OtherExpensesTotalAmt>10518</OtherExpensesTotalAmt>
      <TotalExpensesAmt>28128</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>3065</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>100308</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>103373</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>100308</BOYAmt>
        <EOYAmt>103373</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>100308</BOYAmt>
        <EOYAmt>103373</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>100308</BOYAmt>
        <EOYAmt>103373</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>THE PURPOSE OF THE TRISTAN MILLER FOUNDATION IS YOUTH SUICIDE AWARENESS AND PREVENTION THROUGH PROMOTION AND OUTREACH.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>PROGRAMS AND ACTIVITIES ARE CONDUCTED THROUGH THE TRISTAN MILLER FOUNDATION IN HIS HONOR AND MEMORY TO BRING ABOUT AWARENESS OF YOUTH SUICIDE AND TO PROMOTE CONNECTEDNESS AS A STRATEGY FOR PREVENTION.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>17610</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>10516</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>10516</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>TYLER K KUHNER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>SHARIE MCNEELY</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>HANNAH MASTERS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JEFFREY D MILLER</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JENNIFER L MILLER</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <InfoInScheduleOPartVInd>X</InfoInScheduleOPartVInd>
      <ActivitiesNotPreviouslyRptInd>0</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>0</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>0</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>0</OrganizationDissolvedEtcInd>
      <DirectIndirectPltclExpendAmt>0</DirectIndirectPltclExpendAmt>
      <MadeLoansToFromOfficersInd>0</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <TaxImposedOnOrganizationMgrAmt>0</TaxImposedOnOrganizationMgrAmt>
      <TaxReimbursedByOrganizationAmt>0</TaxReimbursedByOrganizationAmt>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>OH</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <PersonNm>JEFFREY MILLER</PersonNm>
        <USAddress>
          <AddressLine1Txt>491 SULPHUR SPRING ROAD</AddressLine1Txt>
          <CityNm>CHILLICOTHE</CityNm>
          <StateAbbreviationCd>OH</StateAbbreviationCd>
          <ZIPCd>45601</ZIPCd>
        </USAddress>
        <PhoneNum>7407018044</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <DonorAdvisedFndsInd>0</DonorAdvisedFndsInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <TanningServicesProvidedInd>0</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>1</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>5432</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>5656</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>7063</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>24558</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>13034</CurrentTaxYearAmt>
        <TotalAmt>55743</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>39834</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>48635</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>47481</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>43698</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>37600</CurrentTaxYearAmt>
        <TotalAmt>217248</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>45266</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>54291</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>54544</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>68256</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>50634</CurrentTaxYearAmt>
        <TotalAmt>272991</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp>
        <TotalAmt>0</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <TotalAmt>0</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <TotalAmt>0</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>272991</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>21</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>29</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>33</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>34</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>34</CurrentTaxYearAmt>
        <TotalAmt>151</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>21</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>29</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>33</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>34</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>34</CurrentTaxYearAmt>
        <TotalAmt>151</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>45287</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>54320</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>54577</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>68290</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>50668</CurrentTaxYearAmt>
        <TotalAmt>273142</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.99940</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.99940</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00060</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00060</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <FundraisingEventInformationGrp>
        <Event1Nm>MUSIC FEST</Event1Nm>
        <GrossReceiptsEvent1Amt>24550</GrossReceiptsEvent1Amt>
        <GrossRevenueEvent1Amt>24550</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>13750</OtherDirectExpensesEvent1Amt>
        <Event2Nm>GOLF SCRAMBLE</Event2Nm>
        <GrossReceiptsEvent2Amt>13050</GrossReceiptsEvent2Amt>
        <GrossRevenueEvent2Amt>13050</GrossRevenueEvent2Amt>
        <OtherDirectExpensesEvent2Amt>5725</OtherDirectExpensesEvent2Amt>
        <GrossReceiptsTotalAmt>37600</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>37600</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>19475</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>19475</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>18125</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="RetDoc1051800001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 4 - OTHER INVESTMENT INCOME</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: INTEREST. AMOUNT: 34.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 10 - GRANTS AND SIMILAR AMOUNTS PAID</FormAndLineReferenceDesc>
        <ExplanationTxt>ACTIVITY CLASSIFICATION: SCHOLARSHIPS AND DONATIONS. GRANTEE NAME: VARIOUS. AMOUNT GIVEN: 17,610.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16 - OTHER EXPENSES</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: STATE FILING FEES. AMOUNT: 100. DESCRIPTION: SUPPLIES. AMOUNT: 10,418. TOTAL TO FORM 990-EZ, LINE 16: 10,518.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <TransferPrsnlBnftContractsDecl documentId="RetDoc2278000001">
      <DeclarationDesc>THE ORGANIZATION DID NOT, DURING THE YEAR, RECEIVE ANY FUNDS, DIRECTLY,OR INDIRECTLY, TO PAY PREMIUMS ON A PERSONAL BENEFIT CONTRACT.THE ORGANIZATION, DID NOT, DURING THE YEAR, PAY ANY PREMIUMS, DIRECTLY,OR INDIRECTLY, ON A PERSONAL BENEFIT CONTRACT.</DeclarationDesc>
    </TransferPrsnlBnftContractsDecl>
  </ReturnData>
</Return>