Liabilities / Assets
9th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 04-6112605 • 501(c)3 • Plymouth, MA
Profile
Maintain a permanent endowment to provide funds to the general society of mayflower descendants for the operation of the society's properties
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
9th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
10th percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
5th percentile
Higher net margin than 5% of similar nonprofits.
Top Officer Pay
23rd percentile
Higher top officer pay than 23% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
44th percentile
Faster asset growth than 44% of similar nonprofits.
Revenue Growth
24th percentile
Faster revenue growth than 24% of similar nonprofits.
Assets
Up$5,286,761
Up $115,886 (+2.2%) from 2024
Liabilities
Flat$0
Flat from 2024
Net Assets
Up$5,286,761
Up $115,886 (+2.2%) from 2024
Revenue
Down$258,978
Down $20,441 (-7.3%) from 2024
Expenses
Down$414,215
Down $169,733 (-29%) from 2024
Net Income
Up-$155,237
Up $149,292 (+49%) from 2024
Most recent year
2025 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
Maintain a permanent endowment to provide funds to the general society of mayflower descendants for the operation of the society's properties
Maintain an endowment to provide funds to maintain the properties of the mayflower society
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $5,170,875 | $5,286,761 | ▲ $115,886 |
| Total Assets | $5,170,875 | $5,286,761 | ▲ $115,886 |
| Other Assets Total | $0 | $0 | → $0 |
| Liabilities | |||
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Net Assets With Donor Restrictions | $5,170,875 | $5,286,761 | ▲ $115,886 |
| Net Assets Without Donor Restrictions | $0 | $0 | → $0 |
| Total Net Assets Fund Balance | $5,170,875 | $5,286,761 | ▲ $115,886 |
| Total Liabilities and Net Assets / Fund Balance | $5,170,875 | $5,286,761 | ▲ $115,886 |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2024 | $5,170,875 | $24,527 | ▲ $505,574 | $383,623 | $5,286,761 |
| 2023 | $5,142,719 | $47,485 | ▲ $564,619 | $555,797 | $5,170,875 |
| 2022 | $4,703,466 | $242,211 | ▲ $438,135 | $213,800 | $5,142,719 |
| 2021 | $5,350,427 | $283,522 | ▼ $727,836 | $171,564 | $4,703,466 |
| 2020 | $4,412,662 | $20,091 | ▲ $1,112,912 | $165,660 | $5,350,427 |
| Name | Title |
|---|---|
| Bart Henson | Trustee |
| Lisa Pennington | Trustee |
| Mark T Cox Iv | Trustee |
| Robert Harvey | Trustee |
| William Ulmschneider | Trustee |
| Line Item | Amount |
|---|---|
| Grants and Similar Amounts Paid | $383,623 |
| Other Expenses | $30,592 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Grants to Domestic Orgs | $383,623 | - | - | $383,623 |
| Fees for Service Investment Mgmnt Fees | - | $30,592 | - | $30,592 |
| Total Functional Expenses | $383,623 | $30,592 | $0 | $414,215 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| General Society of Mayflower Descendants | Plymouth, MA | 501(c)(3) | To Provide Funds for Operation and Maintenance of Mayflower Society | $383,623 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“The existing governor general has the right and the duty to appoint replacement trustees as positions become vacant.”
“A copy of form 990 is reviewed by the executive committee of the general society of mayflower descendants before filing”
“The organization's governing form 990 is available for public viewing on www.guidestar.org”
“The organization's governing documents and financial statements are available to the general public at the society's office”
“The endowment funds of the mayflower society house endowment fund are for the purpose of maintaining the properties of the mayflower society.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | MAINTAIN AN ENDOWMENT TO PROVIDE FUNDS TO MAINTAIN THE PROPERTIES OF THE MAYFLOWER SOCIETY |
| IRS990/AllOtherContributionsAmt | 0 | 24527 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | CHERYL WHITTAKER |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 5087463188 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 18 WINSLOW STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | PLYMOUTH |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 02360 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 1 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 24527 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 383623 |
| IRS990/CYInvestmentIncomeAmt | 0 | 234451 |
| IRS990/CYOtherExpensesAmt | 0 | 30592 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -155237 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 414215 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 258978 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/Desc | 0 | PROVIDED FUNDS TO THE GENERAL SOCIETY OF MAYFLOWER DESCENDANTS FOR THE OPERATION AND MAINTENANCE OF MAYFLOWER SOCIETY PROPERTIES |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 5170875 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 5286761 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 1 |
| IRS990/ElectionOfBoardMembersInd | 0 | 1 |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 383623 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 30592 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 30592 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 20.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 20.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 0.01 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 0.01 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 0.05 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 0.01 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 0.01 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | MARK T COX IV |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | ROBERT HARVEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | BART HENSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | LISA PENNINGTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | WILLIAM ULMSCHNEIDER |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1947 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 71801 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 5 |
| IRS990/GrantAmt | 0 | 383623 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 383623 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 383623 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 959269 |
| IRS990/GrossReceiptsAmt | 0 | 1146446 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 5 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 162650 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 162650 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 5170875 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 5286761 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | MA |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 887468 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | MAINTAIN A PERMANENT ENDOWMENT TO PROVIDE FUNDS TO THE GENERAL SOCIETY OF MAYFLOWER DESCENDANTS FOR THE OPERATION OF THE SOCIETY'S PROPERTIES |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 5170875 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 5286761 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 71801 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 71801 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 271123 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 0 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 0 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | GENERAL SOCIETY OF MAYFLO |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 47485 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 555797 |
| IRS990/PYInvestmentIncomeAmt | 0 | 231934 |
| IRS990/PYOtherExpensesAmt | 0 | 28151 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -304529 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/PYTotalExpensesAmt | 0 | 583948 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 279419 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -155237 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 0 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 0 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/Contribution35ControlledInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionControllerInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionFamilyInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ControlledDisqualifiedPrsnInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnControllIntInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnOwnrIntInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ExcessBusinessHoldingsRulesInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ListedByNameGoverningDocInd | 0 | 1 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/LoanDisqualifiedPersonInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/OrganizationChangeSuprtOrgInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/PaymentSubstantialContribtrInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgNotOrganizedUSInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgSectionC456Ind | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportNonSupportedOrgInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SuprtOrgNoIRSDeterminationInd | 0 | 0 |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/OperateBenefitNonSuprtOrgInd | 0 | 0 |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/PowerAppointMajorityDirTrstInd | 0 | 1 |
| IRS990ScheduleA/OtherSupportSumAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrganizationsCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrganizationsTotalCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrgInformationGrp/EIN | 0 | 636005641 |
| IRS990ScheduleA/SupportedOrgInformationGrp/GoverningDocumentListedInd | 0 | 1 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd | 0 | 10 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OtherSupportAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt | 0 | 383623 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt | 0 | GENERAL SOCIETY OF MAYFLOWER DESCENDANTS |
| IRS990ScheduleA/SupportingOrganization509a3Ind | 0 | X |
| IRS990ScheduleA/SupportingOrgType1Ind | 0 | X |
| IRS990ScheduleA/SupportSumAmt | 0 | 383623 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleD/CYEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 30592 |
| IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 5170875 |
| IRS990ScheduleD/CYEndwmtFundGrp/ContributionsAmt | 0 | 24527 |
| IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt | 0 | 5286761 |
| IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 505574 |
| IRS990ScheduleD/CYEndwmtFundGrp/OtherExpendituresAmt | 0 | 383623 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 28151 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 5142719 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/ContributionsAmt | 0 | 47485 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 5170875 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 564619 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/OtherExpendituresAmt | 0 | 555797 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 27293 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 4703466 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/ContributionsAmt | 0 | 242211 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 5142719 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 438135 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/OtherExpendituresAmt | 0 | 213800 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 31083 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 5350427 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/ContributionsAmt | 0 | 283522 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 4703466 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | -727836 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/OtherExpendituresAmt | 0 | 171564 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 29578 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 4412662 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/ContributionsAmt | 0 | 20091 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 5350427 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 1112912 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/OtherExpendituresAmt | 0 | 165660 |
| IRS990ScheduleD/EndowmentsHeldRelatedOrgInd | 0 | 0 |
| IRS990ScheduleD/EndowmentsHeldUnrelatedOrgInd | 0 | 0 |
| IRS990ScheduleD/PrmnntEndowmentBalanceEOYPct | 0 | 0.77000 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | THE ENDOWMENT FUNDS OF THE MAYFLOWER SOCIETY HOUSE ENDOWMENT FUND ARE FOR THE PURPOSE OF MAINTAINING THE PROPERTIES OF THE MAYFLOWER SOCIETY. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | SCHEDULE D, PART V, QUESTION 4 |
| IRS990ScheduleD/TermEndowmentBalanceEOYPct | 0 | 0.23000 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 0 |
| IRS990ScheduleI/GrantRecordsMaintainedInd | 0 | 1 |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 0 | 383623 |
| IRS990ScheduleI/RecipientTable/IRCSectionDesc | 0 | 501(C)(3) |
| IRS990ScheduleI/RecipientTable/NonCashAssistanceAmt | 0 | 0 |
| IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt | 0 | TO PROVIDE FUNDS FOR OPERATION AND MAINTENANCE OF MAYFLOWER SOCIETY |
| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt | 0 | GENERAL SOCIETY OF MAYFLOWER DESCENDANTS |
| IRS990ScheduleI/RecipientTable/RecipientEIN | 0 | 636005641 |
| IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt | 0 | 18 WINSLOW STREET |
| IRS990ScheduleI/RecipientTable/USAddress/CityNm | 0 | PLYMOUTH |
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| IRS990ScheduleI/RecipientTable/USAddress/ZIPCd | 0 | 02360 |
| IRS990ScheduleI/SupplementalInformationDetail/ExplanationTxt | 0 | GRANTS ARE MADE TO THE GENERAL SOCIETY OF MAYFLOWER DESCENDANTS ONLY AND ARE BASED UPON A WRITTEN SPENDING POLICY. THE USE OF THE FUNDS IS MONITORED BY THE TRUSTEES. |
| IRS990ScheduleI/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART I, LINE 2: |
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| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE EXISTING GOVERNOR GENERAL HAS THE RIGHT AND THE DUTY TO APPOINT REPLACEMENT TRUSTEES AS POSITIONS BECOME VACANT. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | A COPY OF FORM 990 IS REVIEWED BY THE EXECUTIVE COMMITTEE OF THE GENERAL SOCIETY OF MAYFLOWER DESCENDANTS BEFORE FILING |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE ORGANIZATION'S GOVERNING FORM 990 IS AVAILABLE FOR PUBLIC VIEWING ON WWW.GUIDESTAR.ORG |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | THE ORGANIZATION'S GOVERNING DOCUMENTS AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE GENERAL PUBLIC AT THE SOCIETY'S OFFICE |
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| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION C, LINE 18 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION C, LINE 19 |
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| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
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| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | TRUSTEE |
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| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-11-20 |
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| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 02360 |
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| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 042513210 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | GERALD T REILLY & COMPANY |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 424 ADAMS STREET |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | MILTON |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | MA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 02186 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 6176968900 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-11-20 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | JAYME F MOORE CPA |
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