Mary P Dolciani Halloran Foundation
Invitation OnlyHarrison, New York · EIN 13-3147449 · Private foundation · Website
Grants paid (2025)$676K
Organizations funded22
Typical grant$10,000
Total assets$9.1M
Half of its grants to organizations were between $5,000 and $24,000.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
81% of grants went outside New York.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Hunter College Foundation Inc | New York, NY | Mathematics innovation | $250,000 |
| Mathmatical Association of America | Washington, DC | Omeg + project next | $161,000 |
| Hunter College Foundation Inc | New York, NY | Establish scholarship in perpetuity | $50,000 |
| Office of Catholic Education | Royersford, PA | Greenhouse & student fund | $27,068 |
| Cathedral High School | New York City, NY | Support renovations | $25,000 |
| Mathcounts Foundation Brooklyn Chapter | Alexandria, VA | Support brooklyn chapter - mathematics education | $24,000 |
| Molalla Police Department | Molalla, OR | Support for K-9 | $21,000 |
| Germantown Performing Arts Center | Germantown, TN | Support the arts education program and student matinees | $15,000 |
| Providence Sw Wa Foundation | Olympia, WA | Support the toddler learning program | $15,000 |
| Seattle Universal Math Museum | Seattle, WA | General operating support | $15,000 |
| Park Academy | Lake Oswego, OR | Illustrative math project | $13,000 |
| North Thurston Education Association | Olympia, WA | Scholarships | $10,000 |
| Senior Dog Rescue of Oregon | Philomath, OR | Veterinary care for rescued old dogs | $8,000 |
| Furry Friends | Vancouver, WA | Purchase new kennels | $5,730 |
| Gwinette County Public Schools Foundation Fund Inc | Suwanee, GA | Purchase classroom equipment for math learners | $5,000 |
| House Goat Haven | Raymond, WA | Rescue injured goats | $5,000 |
| Lorraine Civil Rights Museum Foundation | Memphis, TN | Promote literacy for underserved youth | $5,000 |
| Pawsability Dog Club Inc | Brooklyn, NY | Support training for individuals with autism | $5,000 |
| The Savior Foundation | Memphis, TN | Veterinary care for rescued animals | $5,000 |
| Serendipity Center Inc | Portland, OR | Support computer coding elective courses | $4,000 |
| Olympia Historical Society | Olympia, WA | Museum maintenance | $3,500 |
| The Child Care Action Council of Thurston County | Olympia, WA | Support for reading program | $3,500 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $675,798 | 22 |
| 2024 | $704,097 | 30 |
| 2023 | $841,375 | 27 |
Sources
- IRS Form 990-PF, tax year 2025, filed Apr 28, 2026 - IRS e-file batch, object ID 202601189349101510
- IRS Tax Exempt Organization Search for EIN 13-3147449
- 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.