Nonprofit · EIN 51-0066731
HISTORICAL SOCIETY OF DELAWARE
Tax-exempt · WILMINGTON, DE 19801
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $3,892,895 | $2,837,225 | $1,055,670 | $27,716,784 | $180,692 | $27,536,092 |
| June 30, 2024 | 990 | $2,229,988 | $2,549,482 | -$319,494 | $26,966,895 | $158,249 | $26,808,646 |
| June 30, 2023 | 990 | $2,160,783 | $2,745,408 | -$584,625 | $26,188,379 | $98,395 | $26,089,984 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $2,007,983
- of which government grants
- $630,000
- Membership dues
- $19,754
- Program service revenue
- $31,396
- Investment income
- $1,725,832
- Net rental income
- $47,094
- Net gain from sales of assets
- $1,357,687
- Net income from sales of inventory
- $595
- Other revenue
- $127,684
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $120,076
- Other salaries and wages
- $1,113,196
- Salaries, compensation and benefits (total)
- $1,473,642
- Professional fundraising fees
- $0
- Accounting fees
- $45,360
- Occupancy
- $357,168
- Travel
- $6,100
- Depreciation
- $420,719
- Program services (functional)
- $2,005,799
- Management and general (functional)
- $776,749
- Fundraising (functional)
- $54,677
Balance sheet and other
- Total assets, start of year
- $26,966,895
- Total assets, end of year
- $27,716,784
- Total liabilities, end of year
- $180,692
- Net assets, end of year
- $27,536,092
- Land, buildings and equipment
- $10,475,836
- Publicly traded securities
- $15,761,876
- Net assets without donor restrictions
- $25,598,246
- Net assets with donor restrictions
- $1,937,846
- Gross receipts
- $7,531,198
- Employees
- 49
- Volunteers
- 88
- Year formed
- 1864
- State of legal domicile
- DE
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| IVAN HENDERSON | EXECUTIVE DI Officer | 40 | $117,488 | $9,624 |
| STEPHEN KINGSBERRY | BOARD CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| KEVIN MCGONEGAL | VICE CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| ROBERT R DAVIS | 2ND VICE CHA Trustee or director, Officer | 2 | $0 | $0 |
| LEWIS LAZARUS | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| DAN SCHOLL | VICE SECRETA Trustee or director, Officer | 2 | $0 | $0 |
| RONALD SAMUELS | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| JERRY BILTON | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| CARA BLUME | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| GREGORY T CHAMBERS | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| KATHLEEN KREUSCH COBB | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| THE HON NANCY COOK | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| BRUCE FLOURNOY DALLEO | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| CARLA DURANTE | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| ANNE M FARLEY | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
15 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ELIZABETH HIGGINBOTHAM PHD | BOARD MEMBER Trustee or director | 1 | $0 |
| KAREN INGRAM | BOARD MEMBER Trustee or director | 1 | $0 |
| HOWARD KRISTOL | BOARD MEMBER Trustee or director | 1 | $0 |
| LAVAR MATTHEWS | BOARD MEMBER Trustee or director | 1 | $0 |
| MARY ANN KELLY MACDONALD | BOARD MEMBER Trustee or director | 1 | $0 |
| MARY KATE MCLAUGHLIN | BOARD MEMBER Trustee or director | 1 | $0 |
| MARGARET PROCTOR | BOARD MEMBER Trustee or director | 1 | $0 |
| LAURA SANDERS MORRIS | BOARD MEMBER Trustee or director | 1 | $0 |
| JAMES SIMMONS III | BOARD MEMBER Trustee or director | 1 | $0 |
| WILL SPRUANCE | BOARD MEMBER Trustee or director | 1 | $0 |
| LAURA ST MARTIN | BOARD MEMBER Trustee or director | 1 | $0 |
| JEFFREY J STARKEY | BOARD MEMBER Trustee or director | 1 | $0 |
| WHITNEY SWEENEY | BOARD MEMBER Trustee or director | 1 | $0 |
| BENJAMIN WAGNER | BOARD MEMBER Trustee or director | 1 | $0 |
| KIM ZARETT | BOARD MEMBER Trustee or director | 1 | $0 |
990 for the year ended June 30, 2024: 33 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| IVAN HENDERSON | EXECUTIVE DI Officer | 40 | $113,236 |
| STEPHEN KINGSBERRY | BOARD CHAIR Trustee or director, Officer | 2 | $0 |
| KEVIN MCGONEGAL | VICE CHAIR Trustee or director, Officer | 2 | $0 |
| ROBERT R DAVIS | 2ND VICE CHA Trustee or director, Officer | 2 | $0 |
| PAULA D HEARST | SECRETARY Trustee or director, Officer | 2 | $0 |
| DAN SCHOLL | VICE SECRETA Trustee or director, Officer | 2 | $0 |
| RONALD SAMUELS | TREASURER Trustee or director, Officer | 2 | $0 |
| JERRY BILTON | BOARD MEMBER Trustee or director | 1 | $0 |
| CARA BLUME | BOARD MEMBER Trustee or director | 1 | $0 |
| GREGORY T CHAMBERS | BOARD MEMBER Trustee or director | 1 | $0 |
| KATHLEEN KREUSCH COBB | BOARD MEMBER Trustee or director | 1 | $0 |
| THE HON NANCY COOK | BOARD MEMBER Trustee or director | 1 | $0 |
| BRUCE FLOURNOY DALLEO | BOARD MEMBER Trustee or director | 1 | $0 |
| BRIONNA DENBY ESQ | BOARD MEMBER Trustee or director | 1 | $0 |
| CARLA DURANTE | BOARD MEMBER Trustee or director | 1 | $0 |
| CARRIE W GRAY DBA | BOARD MEMBER Trustee or director | 1 | $0 |
| ELIZABETH HIGGINBOTHAM PHD | BOARD MEMBER Trustee or director | 1 | $0 |
| KAREN INGRAM | BOARD MEMBER Trustee or director | 1 | $0 |
| ALEXANDRA ALEVIZATOS KIRTLEY | BOARD MEMBER Trustee or director | 1 | $0 |
| LEWIS LAZARUS | BOARD MEMBER Trustee or director | 1 | $0 |
| HOWARD KRISTOL | BOARD MEMBER Trustee or director | 1 | $0 |
| MARY ANN KELLY MACDONALD | BOARD MEMBER Trustee or director | 1 | $0 |
| MARY KATE MCLAUGHLIN | BOARD MEMBER Trustee or director | 1 | $0 |
| AL MILLS | BOARD MEMBER Trustee or director | 1 | $0 |
| MARGARET PROCTOR | BOARD MEMBER Trustee or director | 1 | $0 |
| GREG SAWKA | BOARD MEMBER Trustee or director | 1 | $0 |
| JAMES SIMMONS III | BOARD MEMBER Trustee or director | 1 | $0 |
| WILL SPRUANCE | BOARD MEMBER Trustee or director | 1 | $0 |
| LAURA ST MARTIN | BOARD MEMBER Trustee or director | 1 | $0 |
| JEFFREY J STARKEY | BOARD MEMBER Trustee or director | 1 | $0 |
| WHITNEY SWEENEY | BOARD MEMBER Trustee or director | 1 | $0 |
| BENJAMIN WAGNER | BOARD MEMBER Trustee or director | 1 | $0 |
| KIM ZARETT | BOARD MEMBER Trustee or director | 1 | $0 |
990 for the year ended June 30, 2023: 34 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| DAVID W YOUNG | EXECUTIVE DI Officer | 40 | $113,656 | $7,588 |
| IVAN HENDERSON | EXECUTIVE DI Officer | 40 | $76,371 | $0 |
| TIMOTHY MCLAUGHLIN | EXECUTIVE DI Officer | 40 | $11,250 | $0 |
| STEPHEN KINGSBERRY | BOARD CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| KEVIN MCGONEGAL | VICE CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| ROBERT R DAVIS | 2ND VICE CHA Trustee or director, Officer | 2 | $0 | $0 |
| PAULA D HEARST | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| DAN SCHOLL | VICE SECRETA Trustee or director, Officer | 2 | $0 | $0 |
| CARLO A LOMBARDI | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| CARA BLUME | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| GREGORY T CHAMBERS | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| KATHLEEN KREUSCH COBB | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| THE HON NANCY COOK | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| RICHARD F CORROON | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| BRUCE FLOURNOY DALLEO | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| BRIONNA DENBY ESQ | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| CARLA DURANTE | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| CHARLES J DURANTE | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| CARRIE W GRAY DBA | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| ELIZABETH HIGGINBOTHAM PHD | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| KAREN INGRAM | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| ALEXANDRA ALEVIZATOS KIRTLEY | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| MARY ANN KELLY MACDONALD | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| MARY KATE MCLAUGHLIN | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| AL MILLS | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| MARGARET PROCTOR | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| RONALD SAMUELS | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| GREG SAWKA | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JAMES SIMMONS III | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| WILL SPRUANCE | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JEFFREY J STARKEY | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JOHN SWEENEY | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| WHITNEY SWEENEY | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| KIM ZARETT | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 505 MARKET STREET, WILMINGTON, DE 19801-0000
- Principal officer (990 for 2024)
- IVAN HENDERSON, 505 MARKET STREET, WILMINGTON, DE 19801
- Signed the 990
- IVAN HENDERSON, EXECUTIVE DIRECTOR
- Website
- WWW.DEHISTORY.ORG
- Return prepared by
- WHISMAN GIORDANO & ASSOCIATES LLC
Mission
SEE SCHEDULE O.
Program accomplishments
- RESEARCH LIBRARY-HOUSES THE HISTORICAL SOCIETY'S PAPER-BASED COLLECTION WHICH IS AVAILABLE TO PERSONS RESEARCHING DELAWARE HISTORY.Expenses $492,767 · revenue $4,325
- DELAWARE HISTORY MUSEUM-THE MUSEUM PRESENTS THE HISTORY OF DELAWARE THROUGH PERMANENT AND ROTATING EXHIBITIONS. CLASSROOMS, EXHIBITION GALLERIES AND OTHER SPACES ENABLE HISTORICAL SOCIETY EDUCATIONAL STAFF TO PRESENT EDUCATIONAL PROGRAMS, LECTURES AND GUIDED TOURS FOCUSED ON DELAWARE HISTORY. THE MUSEUM INCLUDES THE MITCHELL CENTER FOR AFRICAN AMERICAN HERITAGE, THE ONLY CENTER FOR AFRICAN AMERICAN HISTORY IN DELAWARE, AS A PERMANENT EXHIBITION AND PROGRAM CENTER.Expenses $591,639 · revenue $27,071
- READ HOUSE & GARDENS- A NATIONAL LANDMARK PROPERTY SERVES AS AN EARLY FEDERAL-ERA MUSEUM PRESENTING SOCIAL AND CULTURAL HISTORY THROUGH GUIDED TOURS AND PUBLIC PROGRAMS.Expenses $366,335
- OTHER PROGRAM SERVICES OFFERED BY THE SOCIETY CONSIST OF THE FOLLOWING: - OLD TOWN HALL MUSEUM 21,046 - ADVANCEMENT AND OUTREACH PROGRAMS 287,362 - DELAWARE HISTORY PUBLICATION 18,256 - OTHER MISCELLANEOUS PROGRAMS 34,351 - TOTAL OTHER PROGRAM SERVICES 361,015Expenses $555,058
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 51-0066731
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1957
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A540)
- Assets (IRS master file)
- $27,716,784
- Income (IRS master file)
- $7,531,198
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $3,892,895 | $2,837,225 | $27,716,784 | XML |
| 990 | June 2024 | $2,229,988 | $2,549,482 | $26,966,895 | XML |
| 990 | June 2023 | $2,160,783 | $2,745,408 | $26,188,379 | XML |
| 990 | June 2022 | $2,630,334 | $2,541,659 | $25,921,900 | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2019 | – | – | – | IRS |
| 990 | June 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 51-0066731).
Questions about HISTORICAL SOCIETY OF DELAWARE
- What is the EIN of HISTORICAL SOCIETY OF DELAWARE?
- The employer identification number (EIN) of HISTORICAL SOCIETY OF DELAWARE is 51-0066731.
- Is HISTORICAL SOCIETY OF DELAWARE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1957.
- Are donations to HISTORICAL SOCIETY OF DELAWARE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does HISTORICAL SOCIETY OF DELAWARE file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of HISTORICAL SOCIETY OF DELAWARE due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did HISTORICAL SOCIETY OF DELAWARE last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of HISTORICAL SOCIETY OF DELAWARE?
- The 990 for the year ended June 30, 2025 names IVAN HENDERSON.
- Who are the officers and directors of HISTORICAL SOCIETY OF DELAWARE?
- The 990 for the year ended June 30, 2025 lists 30 people; 1 received compensation from the organization, the highest $117,488 (IVAN HENDERSON, EXECUTIVE DI).
- How much revenue does HISTORICAL SOCIETY OF DELAWARE have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $3,892,895, expenses of $2,837,225 and total assets of $27,716,784 at year end.
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