Timothy J And Linda D O'Neill Foundation
The Timothy J And Linda D O'Neill Foundation is a private foundation based in New York, New York. Its 2025 filing reports grants to charitable organizations in areas including education, medicine, arts, conservation, and community services.
Timothy J And Linda D O'Neill Foundation at a glance
In short: Timothy J And Linda D O'Neill Foundation gave $3.7M across 11 grants in 2025 (avg $333K), mostly in Connecticut. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $3,662,836
- +3030.6% vs 2024
- Grants made (2025)
- 11
- +120.0% vs 2024
- Average grant
- $332,985
- +1323.0% vs 2024
- Median grant
- $5,000
- Total assets
- $9,494,904
- -26.1% vs 2024
- Primary geography
- Connecticut (58% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to Timothy J And Linda D O'Neill Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations.
- Contact
Mailing address: PO Box 73 Bowling Green Station, New York, NY 10274-0073
Phone: (212) 902-8711
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Timothy J And Linda D O'Neill Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Weill Cornell Medicine ($1.5M). Together the top 10 received $3.7M.
Grant Size Distribution
26 grants across all recorded years
The most common grant size was under $50K: 19 grants of 26 (73%).
Geographic Focus
Where this funder awards grants
The foundation is based in New York, New York. For 2025, the reported shares of grant dollars by recipient state were Connecticut, 58%; New York, 41%; Maine, 0%; and the District of Columbia, 0%.
Grant Distribution by State
Share of 2025 grant dollars across all 11 itemized grants.
Cities
How Timothy J And Linda D O'Neill Foundation gives
- 27% of 2025 grantees were also funded in 2024. Method
- Giving grew 8621% from 2022 to 2025. Method
- In 2025 it paid out 644% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2021 to 2025, annual grant giving ranged from $42K (2022) to $4.2M (2023). In 2025 it made 11 grants totaling $3.7M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Weill Cornell Medicine New York, NY | General Charitable Purpose | $1,500,000 |
| Greenwich Academy Greennwhich, CT | General Charitable Purpose | $1,024,975 |
| Brunswick School Greenwich, CT | General Charitable Purpose | $1,015,861 |
| Friends Of Cape Arundel Inc Kennebunkport, CT | General Charitable Purpose | $100,000 |
| Kennebunkport Conservation Trust Cape Porpoise, ME | General Charitable Purpose | $8,000 |
| The Metropolitan Museum Of Art New York, NY | General Charitable Purpose | $5,000 |
| The Barbara Bush Foundation for Family Literacy Washington, DC | General Charitable Purpose | $5,000 |
| Kennebunkport Emergency Medical Services Kennebunkport, ME | General Charitable Purpose | $1,000 |
| Round Hill Volunteer Fire Company Greenwich, CT | General Charitable Purpose | $1,000 |
| Louis T Graves Memorial Public Library Association Kennebunkport, ME | General Charitable Purpose | $1,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $9,494,904 | $456,142 | $3,813,586 | $3,662,836 | 11 | $3,663,586 | $456,142 | $568,646 |
| 2024 | $12,852,348 | $11,959,656 | $153,516 | $117,000 | 5 | $119,000 | $9,924,470 | $511,614 |
| 2023 | $6,191,344 | $17,330 | $4,165,750 | $4,165,000 | 8 | $4,165,750 | $16,953 | $611,796 |
| 2022 | $6,189,764 | $461 | $77,922 | $42,000 | 1 | $42,000 | $289 | $568,361 |
| 2021 | $6,267,053 | $1,705,828 | $4,024,801 | $4,022,000 | 1 | — | $1,703,777 | $572,423 |
Under IRS private-foundation payout rules, Timothy J And Linda D O'Neill Foundation reported a distributable amount of $569K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grants include support for Weill Cornell Medicine, Greenwich Academy, Brunswick School, and organizations working in conservation, arts, literacy, emergency medical services, and community health.
The grantee descriptions offer examples of the work supported: Greenwich Academy describes itself as an independent college-preparatory day school for girls and young women, while Brunswick School describes itself as a day school for boys from pre-kindergarten through twelfth grade. The Kennebunkport Conservation Trust says its mission includes land preservation, stewardship, education, and protection of natural and historic resources. The Metropolitan Museum of Art describes its work as collecting, studying, conserving, and presenting art across times and cultures.
Grantmaking
In filing year 2025, the foundation reported 11 grants totaling $3,662,836. Grant amounts ranged from $1,000 to $1,500,000, with a median of $5,000. The largest awards were $1,500,000 to Weill Cornell Medicine, $1,024,975 to Greenwich Academy, and $1,015,861 to Brunswick School. Each was listed for “General Charitable Purpose.”
Other listed grants included $100,000 to Friends Of Cape Arundel Inc; $8,000 to Kennebunkport Conservation Trust; and $5,000 each to The Metropolitan Museum Of Art and The Barbara Bush Foundation for Family Literacy. The remaining listed awards were $1,000 each to Kennebunkport Emergency Medical Services, Round Hill Volunteer Fire Company, Louis T Graves Memorial Public Library Association, and Friends Of The Portland Community Free Clinic. All were listed for “General Charitable Purpose.”
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Timothy J. O’Neill and Linda D. O’Neill as trustees.
Timothy J And Linda D O'Neill Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Linda D. O'Neill
Trustee
On filings since 2021
1 hr/week
No compensation reported
Timothy J. O'Neill
Trustee
On filings since 2021
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2021–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Timothy J And Linda D O'Neill Foundation
How much does Timothy J And Linda D O'Neill Foundation give each year?
Timothy J And Linda D O'Neill Foundation gave $3.7M across 11 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $117K across 5 grants.
What is Timothy J And Linda D O'Neill Foundation's typical grant size?
Timothy J And Linda D O'Neill Foundation's median grant in 2025 was $5,000, and its average grant was $332,985, across 11 grants on its 2025 IRS Form 990-PF.
Where does Timothy J And Linda D O'Neill Foundation give grants?
Timothy J And Linda D O'Neill Foundation gives mostly in Connecticut: 58% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was New York (41%). The most frequent recipient cities were New York, NY (2 grants), Greenwich, CT (2 grants) and Kennebunkport, ME (2 grants).
Does Timothy J And Linda D O'Neill Foundation give general operating support?
Yes: 100% of Timothy J And Linda D O'Neill Foundation's 2025 grants with a stated purpose (11 of 11) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Timothy J And Linda D O'Neill Foundation's largest grantees?
Timothy J And Linda D O'Neill Foundation's largest 2025 grantees include Weill Cornell Medicine ($1,500,000), Greenwich Academy ($1,024,975) and Brunswick School ($1,015,861), according to its 2025 IRS Form 990-PF. Together they received 97% of its itemized 2025 grant dollars.
How large is Timothy J And Linda D O'Neill Foundation?
Timothy J And Linda D O'Neill Foundation reported $9.5M in total assets on its 2025 IRS Form 990-PF. It paid out $3.7M in qualifying distributions that year, against a required minimum of $569K (roughly 5% of its investment assets).
What does Timothy J And Linda D O'Neill Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants include support for Weill Cornell Medicine, Greenwich Academy, Brunswick School, and organizations working in conservation, arts, literacy, emergency medical services, and community health. See mission & focus areas ↑
How do I apply for a grant from Timothy J And Linda D O'Neill Foundation?
The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Timothy J And Linda D O'Neill Foundation's EIN?
Timothy J And Linda D O'Neill Foundation's EIN (Employer Identification Number) is 13-3642501. IRS Form 990 filing data is available on this page for 2021–2025.
Does Timothy J And Linda D O'Neill Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2021–2025
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Cite this profile
Grantable. (2026). Timothy J And Linda D O'Neill Foundation funder profile. GrantGraph. Retrieved October 6, 2026, from https://grantable.co/funders/timothy-j-and-linda-d-o-neill-foundation-morg_0fc5d5fa39dc451ab16059d932db725b
BibTeX
@misc{grantable_133642501_2026,
author = {{Grantable}},
title = {{Timothy J And Linda D O'Neill Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/timothy-j-and-linda-d-o-neill-foundation-morg_0fc5d5fa39dc451ab16059d932db725b},
note = {Accessed 2026-10-06. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Timothy J And Linda D O'Neill Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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