O'donnell Iselin Foundation Inc
Historical FunderValley Stream, New York · EIN 51-6016471 · Private foundation
Grants paid (2025)$196K
Organizations funded33
Typical grant$2,500
Total assets$4.8M
Half of its grants to organizations were between $2,500 and $10,000.
From the return
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):
| Contact | URLING ISELIN SEARLE |
|---|---|
| Address | C/O F MEGALE CPA 9 ALDEN AVE, VALLEY STREAM NY 11580 |
| Phone | 5162854839 |
| Form and materials | THERE IS NO FORM. A LETTER IS SUFFICIENT. |
| Deadlines | NONE |
| Restrictions | NONE |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
66% of grants went outside New York.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| New York Botanical Garden | Bronx, NY | For general purposes of recipient charities | $25,000 |
| St Timothy's School | Stevenson, MD | For general purposes of recipient charities | $25,000 |
| Woods Hole Oceanographic Institute | Woods Hole, MA | For general purposes of recipient charities | $15,000 |
| Greenwich Land Trust Inc | Greenwich, CT | For general purposes of recipient charities | $10,000 |
| Planned Parenthood of Greater New York | New York, NY | For general purposes of recipient charities | $10,000 |
| Planned Parenthood of Southern New England | New Haven, CT | For general purposes of recipient charities | $10,000 |
| Spence Chapin | New York, NY | For general purposes of recipient charities | $10,000 |
| St Hilda's & St Hugh's School | New York, NY | For general purposes of recipient charities | $10,000 |
| The Montessori School | Wilton, CT | For general purposes of recipient charities | $10,000 |
| The Montessori School Endowment Fund | Wilton, CT | For general purposes of recipient charities | $10,000 |
| Aspca | New York, NY | For general purposes of recipient charities | $5,000 |
| Connecticut Food Bank | Wallingford, CT | For general purposes of recipient charities | $5,000 |
| North Country School Scholarship | Lake Placid, NY | For general purposes of recipient charities | $5,000 |
| Redding Land Trust | Redding, CT | For general purposes of recipient charities | $5,000 |
| United Church of Rowayton | Norwalk, CT | For general purposes of recipient charities | $5,000 |
| Person to Person | Darien, CT | For general purposes of recipient charities | $3,000 |
| All Hands and Hearts | Mattapoisett, MA | For general purposes of recipient charities | $2,500 |
| Americares Foundation | Stamford, CT | For general purposes of recipient charities | $2,500 |
| Doctors Without Borders | New York, NY | For general purposes of recipient charities | $2,500 |
| Kisma Preserve | Mt Desert, ME | For general purposes of recipient charities | $2,500 |
| Lockwood-Mathews Manison Museum | Norwalk, CT | For general purposes of recipient charities | $2,500 |
| Mark Twain Library | West Redding, CT | For general purposes of recipient charities | $2,500 |
| St Bartholemew's Church | New York, NY | For general purposes of recipient charities | $2,500 |
| The Elephant Sanctuary | Hohenwald, TN | For general purposes of recipient charities | $2,500 |
| Dorothy Day Hospitality House | Danbury, CT | For general purposes of recipient charities | $2,500 |
| Kieve-Wavus Education Inc | Nobleboro, ME | For general purposes of recipient charities | $2,000 |
| Connecticut Fund for the Environment | New Haven, CT | For general purposes of recipient charities | $2,000 |
| Stamford Hospital Foundation | Stamford, CT | For general purposes of recipient charities | $2,000 |
| Haystack Mountain School of Crafts | Deer Isle, ME | For general purposes of recipient charities | $1,000 |
| Museum of the City of New York | New York, NY | For general purposes of recipient charities | $1,000 |
| Rowayton Arts Center | Norwalk, CT | For general purposes of recipient charities | $1,000 |
| Salvation Army Greater New York Division | New York, NY | For general purposes of recipient charities | $1,000 |
| Woodlawn Conservancy | Bronx, NY | For general purposes of recipient charities | $1,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $196,500 | 33 |
| 2024 | $187,500 | 30 |
| 2023 | $211,500 | 33 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 7, 2026 - IRS e-file batch, object ID 202601279349100030
- IRS Tax Exempt Organization Search for EIN 51-6016471
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.