Liabilities / Assets
33rd percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 04-6059666 • 501(c)3 • Sherborn, MA
Profile
The purpose of the Society is to collect, display, store, and preserve artifacts, information, and documents concerning our local history and to use our resources to provide educational services to our community and the public at large.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
33rd percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
35th percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
99th percentile
Higher net margin than 99% of similar nonprofits.
Top Officer Pay
55th percentile
Higher top officer pay than 55% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
98th percentile
Faster asset growth than 98% of similar nonprofits.
Revenue Growth
99th percentile
Faster revenue growth than 99% of similar nonprofits.
Assets
Up$577,827
Up $463,998 (+408%) from 2024
Liabilities
$0
No earlier filing loaded for comparison.
Net Assets
Up$577,827
Up $463,998 (+408%) from 2024
Revenue
Up$461,877
Up $429,487 (+1326%) from 2024
Expenses
Down$11,169
Down $1,544 (-12%) from 2024
Net Income
Up$450,708
Up $431,031 (+2191%) from 2024
Most recent year
2025 • Form 990Detailed filing. Detailed filing data is available for this year.
The purpose of the Society is to collect, display, store, and preserve artifacts, information, and documents concerning our local history and to use our resources to provide educational services to our community and the public at large.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Savings and Temporary Cash Investments | $63,235 | $522,084 | ▲ $458,849 |
| Rtn Earn Endowment Incm Other Fnds | $0 | $124,929 | ▲ $124,929 |
| Investments in Publicly Traded Securities | $40,564 | $49,245 | ▲ $8,681 |
| Cash and Non-Interest-Bearing Accounts | $9,705 | $6,498 | ▼ $3,207 |
| Accounts Receivable | $0 | $0 | → $0 |
| Other Notes and Loans Receivable, Net | $0 | $0 | → $0 |
| Pledges and Grants Receivable | $0 | $0 | → $0 |
| Receivable From Disqualified Prsn | $0 | $0 | → $0 |
| Receivables From Officers Etc | $0 | $0 | → $0 |
| Investments Other Securities | $0 | $0 | → $0 |
| Investments Program Related | $0 | $0 | → $0 |
| Land, Buildings, and Equipment, Net | $0 | $0 | → $0 |
| Pd in Cap Srpls Land Bldg Eqp Fund | $0 | $0 | → $0 |
| Cap Stk Tr Prin Current Funds | $0 | $0 | → $0 |
| Intangible Assets | $0 | $0 | → $0 |
| Inventories for Sale or Use | $0 | $0 | → $0 |
| Loans From Officers Directors | $0 | $0 | → $0 |
| Prepaid Expenses and Deferred Charges | $0 | $0 | → $0 |
| Total Assets | $113,504 | $577,827 | ▲ $464,323 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $0 | $0 | → $0 |
| Grants Payable | $0 | $0 | → $0 |
| Mortgage Notes Payable Secured by Investment Property | $0 | $0 | → $0 |
| Unsecured Notes Loans Payable | $0 | $0 | → $0 |
| Other Liabilities | $0 | $0 | → $0 |
| Deferred Revenue | $0 | $0 | → $0 |
| Escrow Account Liability | $0 | $0 | → $0 |
| Tax Exempt Bond Liabilities | $0 | $0 | → $0 |
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Net Assets With Donor Restrictions | $66,189 | $513,183 | ▲ $446,994 |
| Net Assets Without Donor Restrictions | $47,315 | $64,644 | ▲ $17,329 |
| Total Net Assets Fund Balance | $113,504 | $577,827 | ▲ $464,323 |
| Total Liabilities and Net Assets / Fund Balance | $113,504 | $577,827 | ▲ $464,323 |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2025 | $34,809 | $50,000 | ▲ $2,826 | $0 | $87,635 |
| 2024 | $33,215 | $125 | ▲ $1,466 | $0 | $34,806 |
| 2023 | $33,533 | $200 | ▼ $518 | $0 | $33,215 |
| 2022 | $32,153 | $1,245 | ▲ $135 | $0 | $33,533 |
| 2021 | $29,135 | $610 | ▲ $2,408 | $0 | $32,153 |
| Name | Title |
|---|---|
| Douglas Brown | President |
| Megan Hermida Lu | Vice President |
| George Motley | Secretary |
| Jane Branch | Treasurer |
| Line Item | Amount |
|---|---|
| Other Expenses | $11,169 |
| Total Fundraising Expense | $3,238 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Office Expenses | - | $4,251 | - | $4,251 |
| Fees for Services Lobbying | $0 | $0 | $2,383 | $2,383 |
| Fees for Services Other | $2,250 | $0 | $0 | $2,250 |
| All Other Expenses | - | $0 | $855 | $855 |
| Other Expenses | - | $800 | - | $800 |
| Conferences and Meetings | $600 | $0 | $0 | $600 |
| Information Technology | - | $30 | - | $30 |
| Total Functional Expenses | $2,850 | $5,081 | $3,238 | $11,169 |
| Line Item | Amount |
|---|---|
| Fundraising Gross Income | $2,665 |
| Fundraising Direct Expenses | $855 |
| Gaming Direct Expenses | $0 |
| Gaming Gross Income | $0 |
| Professional Fundraising Fees | $0 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Loans from Officers, Directors, Trustees, and Key Employees | $0 | $0 | → $0 |
| Receivables from Disqualified Persons | $0 | $0 | → $0 |
| Receivables from Officers, Directors, Trustees, and Key Employees | $0 | $0 | → $0 |
“A completed copy of Form 990 is emailed to all governing members of the organization two weeks prior to filing for review.”
“All governing documents, meeting minutes, and financial statements are available by written or emailed request to our acting President.”
“Capital project fundraising for construction of a history center in an existing town building.”
“Contracted a grant writer for assistance in securing shelving for our archive.”
“The SHS collection documents the architecture, people, and events of the town with artifacts including but not limited to books and manuscripts, clothing, firearms, baskets, farming and household items, diaries, photographs, and letters.”
“Our collection of photographs, documents and more provides educational services to the community.”
“The purpose of the Society is to collect, display, store, and preserve artifacts, information, and documents concerning our local history and to use our resources to provide educational services to our community and the public at large. Our Endowment is primarily invested, and would only be carefully considered for use on future expenditures not covered by our unrestricted funds.”
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 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 0 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 0 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/AcctCompileOrReviewBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | The purpose of the Society is to collect, display, store, and preserve artifacts, information, and documents concerning our local history and to use our resources to provide educational services to our community and the public at large. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 0 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 0 |
| IRS990/AllOtherContributionsAmt | 0 | 399170 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 855 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 855 |
| IRS990/BenefitsToMembersGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Jane Branch |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3025215840 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 15 North Main Street |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Sherborn |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 01770 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CapStkTrPrinCurrentFundsGrp/BOYAmt | 0 | 0 |
| IRS990/CapStkTrPrinCurrentFundsGrp/EOYAmt | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 9705 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 6498 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | true |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/FundraisingAmt | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 600 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 600 |
| IRS990/ConflictOfInterestPolicyInd | 0 | false |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContriRptFundraisingEventAmt | 0 | 1640 |
| IRS990/CostOfGoodsSoldAmt | 0 | 318 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 458195 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 2190 |
| IRS990/CYOtherExpensesAmt | 0 | 11169 |
| IRS990/CYOtherRevenueAmt | 0 | 1492 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 450708 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 11169 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 3238 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 461877 |
| IRS990/DAFExcessBusinessHoldingsInd | 0 | false |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | true |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 0 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 0 |
| IRS990/Desc | 0 | Hosted speaker on historical topic: Stephen Puleo, author, historian, teacher, public speaker and communications professional is the author of eight books, including his most recent, "The Great Abolitionist: Charles Sumner and the Fight for a More Perfect Union", published by St. Martin's Press in April 2024. The Great Abolitionist tells the story of one of the most influential non-presidents in American history (included in this exclusive club were Benjamin Franklin, Alexander Hamilton, Susan B. Anthony, and Martin Luther King, Jr.) and far more influential than many presidents a leader who exhibited true courage and authenticity. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DistributionToDonorInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonatedServicesAndUseFcltsAmt | 0 | 0 |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 66189 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 513183 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | true |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/EscrowAccountLiabilityGrp/BOYAmt | 0 | 0 |
| IRS990/EscrowAccountLiabilityGrp/EOYAmt | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 350 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FederatedCampaignsAmt | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesLobbyingGrp/FundraisingAmt | 0 | 2383 |
| IRS990/FeesForServicesLobbyingGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/FeesForServicesLobbyingGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 2383 |
| IRS990/FeesForServicesManagementGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 2250 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 2250 |
| IRS990/FeesForServicesProfFundraising/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Douglas Brown |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Megan Hermida Lu |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Jane Branch |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | George Motley |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Vice President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Secretary |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1971 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/FundraisingAmt | 0 | 2665 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 855 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 2665 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GamingDirectExpensesAmt | 0 | 0 |
| IRS990/GamingGrossIncomeAmt | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 19 |
| IRS990/GovernmentGrantsAmt | 0 | 0 |
| IRS990/GrantAmt | 0 | 0 |
| IRS990/GrantsPayableGrp/BOYAmt | 0 | 0 |
| IRS990/GrantsPayableGrp/EOYAmt | 0 | 0 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/OtherAmt | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 463050 |
| IRS990/GrossRentsGrp/PersonalAmt | 0 | 0 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 0 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 0 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IncmFromInvestBondProceedsGrp/ExclusionAmt | 0 | 0 |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 19 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 30 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 30 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 0 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 0 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 0 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/FundraisingAmt | 0 | 0 |
| IRS990/InterestGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentExpenseAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/RelatedOrExemptFuncIncomeAmt | 0 | 2190 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 2190 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 40564 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 49245 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 0 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | MA |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 0 |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 0 |
| IRS990/LessRentalExpensesGrp/PersonalAmt | 0 | 0 |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 0 |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LoansFromOfficersDirectorsGrp/BOYAmt | 0 | 0 |
| IRS990/LoansFromOfficersDirectorsGrp/EOYAmt | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | true |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembershipDuesAmt | 0 | 6360 |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | The purpose of the Society is to collect, display, store, and preserve artifacts, information, and documents concerning our local history and to use our resources to provide educational services to our community and the public at large. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 113504 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 577827 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 0 |
| IRS990/NetGainOrLossInvestmentsGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetGainOrLossInvestmentsGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | 0 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 1810 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | -318 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 0 |
| IRS990/NetRentalIncomeOrLossGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
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| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 800 |
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| IRS990/PrincipalOfficerNm | 0 | DOUGLAS BROWN |
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| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | Hosted speaker on historical topic: Curious to learn more about why beer and where it was drunk was so important to the colonists and revolutionaries in Massachusetts or how the Sons of Liberty plotted over a port or a pint at notorious public houses like Bostons Green Dragon Tavern? Join us for an evening with Northeastern University History Professor Malcolm F. Purinton, who will explore the roles that such gathering spots had as the colony developed and the American Revolution took shape, where radicals imbibed and plotted to change the world. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 250 |
| IRS990/ProgSrvcAccomActy2Grp/GrantAmt | 0 | 0 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 0 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | Two paintings selected for restoration. Expenses shown represent a deposit for the conservator. Balance will be due upon completion of restoration in 2026. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 800 |
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| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 5372 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 3107 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | -2422 |
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| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 21875 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.90250 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.84410 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 202554 |
| IRS990ScheduleA/SupportedOrganizationsCnt | 0 | 0 |
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| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 157285 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 25426 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 6233 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 6250 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 7360 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 202554 |
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