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OSSINING HISTORICAL SOCIETY AND MUSEUM INC
OSSINING, NY · EIN 136119199 · Form 990 · FY2023 · NTEE A82Z · Arts, Culture & Humanities · Micro (<$100K) · ohsm.org
revenue
$20K
expenses
$38K
net assets
$604K
employees
0
volunteers
25
program ratio
85%
mission · from form 990

THE OSSINING HISTORICAL SOCIETY AND MUSEUM INC WAS ORIGINALLY ORGANIZED IN 1931 AS A NOT-FOR-PROFIT ORGANIZATION WITH THE FOLLOWING OBJECTIVES: TO EDUCATE THE PUBLIC IN THE HISTORY AND TRADITIONS OF OSSINING AND VICINITY. TO RECEIVE AND MAINTAIN A COLLECTION OF BOOKS, MANUSCRIPTS, PICTURES, HISTORICAL RECORDS, RELICS AND OTHER MEMORIALS BEARING UPON LOCAL AND GENERAL HISTORY.

profile · synthesized from sources

The Ossining Historical Society and Museum, founded in 1931, preserves and shares the history of Ossining, New York, and surrounding areas. It maintains collections of photographs, manuscripts, and artifacts, and engages the public through exhibits, newsletters, and research services. The organization operates from a local museum and relies on public support for its activities.

named programs · 3 · from sources

What they call their work

Archival Research Services
Offers research assistance for genealogical and historical inquiries, with a fee-based structure for requests beyond the initial hour
Historical Newsletter & Email Outreach
Shares photos, stories, and updates about Ossining’s history with members and the public via email and archived Constant Contact communications
W. Arthur Slater Glass Plate Collection
Preserves and provides access to over 4,000 glass plate negatives from 1921–1934, including images of local life and Sing Sing Prison; available by appointment
activities · 5 groups

What they do

  • Local History Archival Access 1 activity
    • Curate and maintain historical collections
      Receives, preserves, and manages a collection of books, manuscripts, photographs, historical records, relics, and other materials related to local and general history, including over 4,000 glass plate negatives from 1921 to 1934 documenting Ossining and Sing Sing Prison.
  • Local History Museum Operations 1 activity
    • Historical museum operations
      Operated a museum dedicated to local history, previously located on the third floor of the Washington School from 1935 to 1970; continues to maintain and provide access to museum collections.
  • Organizational Newsletter Production and Distribution 1 activity
    • Membership communications and publications
      Distributes newsletters and notices of programs and events to members as part of membership benefits, supporting engagement with local history.
  • Cemetery Records and Genealogical Research 1 activity
    • Provide genealogical and historical research services
      Offers fee-based genealogical and historical research services to the public, including an initial fee and hourly administrative charges for additional time, with archive research privileges extended to members.
  • Local History Preservation and Education 1 activity
    • Public education in local history
      Engages the public in learning about the history and traditions of Ossining and surrounding areas through programs, events, and outreach. Includes sharing historical photos and stories via email and providing access to archived communications.
financials · form 990 · fy2023
revenue
Total revenue$20K
Contributions & grants$7K35%
Program service revenue$4052%
Investment income$13K65%
Other revenue$-264
expenses
Total expenses$38K
Program expenses85%
Admin / overhead15%
Fundraising0%
Salaries & benefits$0
Grants paid out$0
Largest expense lineFacilities
balance sheet
Total assets$604K
Cash$14K
Investments$323K
Liabilities$0
Net assets$604K
Liquid reserves105.8 mo
4 years on record · 2020–2023 · YoY revenue -17.4%
leadership · form 990 part vii · fy2023

Who runs it

board members · 14
  • ADAM WOPINSKY — Trustee
  • GEORGE PIRES — Trustee
  • GREG KANE — Trustee
  • GREGORY FRATIANNI — Treasurer
  • JOHN WUNDERLICHT — Trustee
  • JOSEPH BURTON — President
  • MARYANN ROBERTS — Secretary
  • MICHAEL O'CONNOR — Trustee
  • PATRICIA SAACHI — Vice President
  • PETER CASSIDY — Trustee
  • ROBERT DECRENZA — Trustee
  • ROBERT STAVA — Trustee
  • SCOTT CRAVEN — Trustee
  • YVONNE BELDOTTI — Trustee
relationships · 2

Who they work with

  • Arthur Slater Jr. Partner — Donated a collection of over 4,000 glass plate negatives to the museum.
  • Ossining Woman’s Club Partner — Hosted meetings of the Ossining Historical Society at its location on Highland Ave.
strategies · 2

How they approach the work

Named approaches extracted from this org’s sources. Where others share an approach, follow it to see the full set of orgs running it.

  • Collection-Based Education for Public Engagement
    methodology: collection-based education
    By maintaining and providing access to historical materials, the organization preserves local history and fosters public understanding, because direct engagement with authentic artifacts and records strengthens community connection to the past.
  • Membership and Private Funding Model for Institutional Sustainability
    methodology: privately funded operations
    By engaging members and relying on private funding sources such as endowments, dues, and ticket sales, the organization sustains its operations and advances its mission, because community investment through membership and financial contributions creates a stable base for long-term preservation efforts.