﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.irs.gov/efile" returnVersion="2024v5.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-11-13T00:06:22-05:00</ReturnTs>
    <TaxPeriodEndDt>2025-06-30</TaxPeriodEndDt>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>237398319</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>DELTA UPSILON FRATERNITY WESTERN ILLINOIS CHAPTER</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>DELT</BusinessNameControlTxt>
      <ForeignPhoneNum>3098334316</ForeignPhoneNum>
      <USAddress>
        <AddressLine1Txt>620 W ELTING ST</AddressLine1Txt>
        <CityNm>MACOMB</CityNm>
        <StateAbbreviationCd>IL</StateAbbreviationCd>
        <ZIPCd>614551119</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Dave Maguire</PersonNm>
      <PersonTitleTxt>Corporate Treasurer</PersonTitleTxt>
      <PhoneNum>3092550818</PhoneNum>
      <SignatureDt>2025-11-13</SignatureDt>
    </BusinessOfficerGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="2">
    <IRS990EZ documentId="IRS990EZ" softwareId="24020569" softwareVersionNum="V2.0" documentName="IRS990EZ" referenceDocumentName="IRS990ScheduleO ReasonableCauseExplanation TransfersPersonalBenefitsContractsDeclaration BinaryAttachment">
      <GroupExemptionNum>0314</GroupExemptionNum>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <Organization501cInd organization501cTypeTxt="7">X</Organization501cInd>
      <TypeOfOrganizationOtherInd>X</TypeOfOrganizationOtherInd>
      <TypeOfOrganizationOtherDesc>Unincorporated Association</TypeOfOrganizationOtherDesc>
      <GrossReceiptsAmt>111811</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>7190</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>80753</ProgramServiceRevenueAmt>
      <MembershipDuesAmt>23647</MembershipDuesAmt>
      <InvestmentIncomeAmt>186</InvestmentIncomeAmt>
      <SaleOfAssetsGrossAmt>0</SaleOfAssetsGrossAmt>
      <CostOrOtherBasisExpenseSaleAmt>0</CostOrOtherBasisExpenseSaleAmt>
      <GainOrLossFromSaleOfAssetsAmt>0</GainOrLossFromSaleOfAssetsAmt>
      <GamingGrossIncomeAmt referenceDocumentName="IRS990ScheduleG">0</GamingGrossIncomeAmt>
      <FundraisingGrossIncomeAmt fndrsngEventContriPrevRptAmt="0" referenceDocumentName="IRS990ScheduleG">0</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>0</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>0</SpecialEventsNetIncomeLossAmt>
      <GrossSalesOfInventoryAmt>0</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>0</CostOfGoodsSoldAmt>
      <GrossProfitLossSlsOfInvntryAmt>0</GrossProfitLossSlsOfInvntryAmt>
      <OtherRevenueTotalAmt>35</OtherRevenueTotalAmt>
      <TotalRevenueAmt>111811</TotalRevenueAmt>
      <BenefitsPaidToOrForMembersAmt>0</BenefitsPaidToOrForMembersAmt>
      <SalariesOtherCompEmplBnftAmt>0</SalariesOtherCompEmplBnftAmt>
      <FeesAndOtherPymtToIndCntrctAmt>4788</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>67939</OccupancyRentUtltsAndMaintAmt>
      <PrintingPublicationsPostageAmt>131</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>27797</OtherExpensesTotalAmt>
      <TotalExpensesAmt>100655</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>11156</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>16306</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>27462</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>15591</BOYAmt>
        <EOYAmt>25157</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <LandAndBuildingsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </LandAndBuildingsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>715</BOYAmt>
        <EOYAmt>2305</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>16306</BOYAmt>
        <EOYAmt>27462</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>16306</BOYAmt>
        <EOYAmt>27462</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>College Fraternity</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Provide housing for fraternity members attending Western Illinois University</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>67938</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Provide benefits of membership in the National organization</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>16510</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Provide educational and social programs for members</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>11287</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>95735</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Luke Novak</PersonNm>
        <TitleTxt>President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Konner Pearman</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Joseph Sorrentino</PersonNm>
        <TitleTxt>Secretary</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Noah Genz</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd referenceDocumentName="IRS990ScheduleC">false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd referenceDocumentName="IRS990ScheduleN BinaryAttachment">false</OrganizationDissolvedEtcInd>
      <DirectIndirectPltclExpendAmt>0</DirectIndirectPltclExpendAmt>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <InitiationFeesAndCapContriAmt>0</InitiationFeesAndCapContriAmt>
      <GrossReceiptsForPublicUseAmt>0</GrossReceiptsForPublicUseAmt>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <PersonNm>Dave Maguire</PersonNm>
        <USAddress>
          <AddressLine1Txt>554 West Murray Street</AddressLine1Txt>
          <CityNm>Macomb</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>614551316</ZIPCd>
        </USAddress>
        <PhoneNum>3092550818</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd referenceDocumentName="IRS990ScheduleC">false</PoliticalCampaignActyInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
    </IRS990EZ>
    <IRS990ScheduleO documentId="IRS990ScheduleO1" documentName="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, line 8</FormAndLineReferenceDesc>
        <ExplanationTxt>| Other Revenues:, Amount:| $5.10 Late Fees &amp; Assessments $30.00 Fines, $35|</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>| Other Expenses:, Amount:| $668 Recruitment,$725 Social Activities $4,396 Charitable Contributions. $1,644 Educational Programs,$2,507 Membership Development $1,347 Membership Activities, $16,510 Fees &amp; Assessments, $27797|</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part II, line 24</FormAndLineReferenceDesc>
        <ExplanationTxt>| Explanation:, BOYAmount:, EOYAmount:| Accounts Receivable - Member, $715, $2305|</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 8</FormAndLineReferenceDesc>
        <ExplanationTxt>| Explanation:| Late fees and assessments totaling $5.10 were incurred along with chapter fines amounting to $30.00.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>