Mary A Warren Foundation
The Mary A Warren Foundation is a private foundation based in Boston, Massachusetts. Its 2024 filing reports $410,000 in grants to 12 organizations, with most grant dollars going to Massachusetts recipients.
Mary A Warren Foundation at a glance
In short: Mary A Warren Foundation gave $410K across 12 grants in 2024 (avg $34K), mostly in Massachusetts. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $410,000
- Grants made (2024)
- 12
- Average grant
- $34,167
- Median grant
- $22,500
- Total assets
- $6,000,940
- +97.9% vs 2023
- Primary geography
- Massachusetts (87% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026.
How to apply to Mary A Warren Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: Choate Hall Stewart PO Box 961, Boston, MA 02196
Phone: (617) 248-4045
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Mary A Warren Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Gifford Cat Shelter ($150K). Together the top 10 received $400K.
Grant Size Distribution
12 grants across all recorded years
The most common grant size was under $50K: 10 grants of 12 (83%).
Geographic Focus
Where this funder awards grants
In 2024, Massachusetts organizations received 87% of the foundation’s grant dollars. Recipients in Illinois received 6%, New York 6%, and Florida 1%.
Grant Distribution by State
Share of 2024 grant dollars across all 12 itemized grants.
Cities
How Mary A Warren Foundation gives
- In 2024 it paid out 177% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
In 2024 it made 12 grants totaling $410K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Gifford Cat Shelter Brighton, MA | General operating support | $150,000 |
| Pan-Mass Challenge Needham, MA | General operating support | $100,000 |
| Alzheimer's Association Chicago, IL | General operating support | $25,000 |
| Haven Project Inc Lynn, MA | General operating support | $25,000 |
| JDRF International New York, NY | General operating support | $25,000 |
| Tufts Medical Center Boston, MA | General operating support | $25,000 |
| Trustees of Tufts University Medford, MA | General operating support | $20,000 |
| Farms-Pride Community Associations Inc Beverly, MA | General operating support | $15,000 |
| MSPCA-Angell Boston, MA | General operating support | $10,000 |
| Cape Ann Animal Aid Group Gloucester, MA | General operating support | $5,000 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $6,000,940 | $4,255,589 | $459,993 | $410,000 | 12 | $422,381 | $1,554,802 | $238,799 |
| 2023 | $3,032,034 | $2,835,234 | $1,342 | — | — | — | $170,292 | $32,928 |
Under IRS private-foundation payout rules, Mary A Warren Foundation reported a distributable amount of $239K for 2024 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
The available records do not state a mission for the foundation. Its 2024 grants supported organizations including animal welfare groups, a medical center, a university, and nonprofits working with young adults experiencing homelessness. The Haven Project describes its mission as equipping, training, and empowering at-risk homeless young adults through basic needs, education, job training, stable living options, and community and life skills. Suncoast Humane Society says it works to support the human-animal bond through sheltering, prevention, and community outreach. Hull Seaside Animal Rescue says it provides safe shelter, nutrition, and medical care while finding permanent homes for rescued cats and kittens.
Grantmaking
In 2024, the foundation reported 12 grants totaling $410,000. Grant amounts ranged from $5,000 to $150,000, with a median of $22,500. The largest grants included $150,000 to Gifford Cat Shelter and $100,000 to Pan-Mass Challenge, both for general operating support. Other grants included $25,000 each to the Alzheimer’s Association, Haven Project Inc, JDRF International, and Tufts Medical Center; $20,000 to Trustees of Tufts University; and $15,000 to Farms-Pride Community Associations Inc. The filing lists all of these grants as general operating support.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Jessica L Lambert and Theodore P Kramer as trustees.
Mary A Warren Foundation's 2024 filing lists 2 officers; none of the 2 officers listed in 2024 report compensation.
Officers on the 2024 filing
Jessica L Lambert
Trustee
On filings since 2023
1 hr/week
No compensation reported
Theodore P Kramer
Trustee
On filings since 2023
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2023–2024. "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 Mary A Warren Foundation
How much does Mary A Warren Foundation give each year?
Mary A Warren Foundation gave $410K across 12 grants in 2024, according to its 2024 IRS Form 990-PF.
What is Mary A Warren Foundation's typical grant size?
Mary A Warren Foundation's median grant in 2024 was $22,500, and its average grant was $34,167, across 12 grants on its 2024 IRS Form 990-PF.
Where does Mary A Warren Foundation give grants?
Mary A Warren Foundation gives mostly in Massachusetts: 87% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest states were Illinois (6%) and New York (6%). The most frequent recipient cities were Boston, MA (2 grants).
Does Mary A Warren Foundation give general operating support?
Yes: 100% of Mary A Warren Foundation's 2024 grants with a stated purpose (12 of 12) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are Mary A Warren Foundation's largest grantees?
Mary A Warren Foundation's largest 2024 grantees include Gifford Cat Shelter ($150,000), Pan-Mass Challenge ($100,000) and Alzheimer's Association ($25,000), according to its 2024 IRS Form 990-PF. Together they received 67% of its itemized 2024 grant dollars.
How large is Mary A Warren Foundation?
Mary A Warren Foundation reported $6.0M in total assets on its 2024 IRS Form 990-PF. It paid out $422K in qualifying distributions that year, against a required minimum of $239K (roughly 5% of its investment assets).
What does Mary A Warren Foundation fund?
The available records do not state a mission for the foundation. Its 2024 grants supported organizations including animal welfare groups, a medical center, a university, and nonprofits working with young adults experiencing homelessness. See mission & focus areas ↑
How do I apply for a grant from Mary A Warren Foundation?
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Mary A Warren Foundation's EIN?
Mary A Warren Foundation's EIN (Employer Identification Number) is 93-1422593. IRS Form 990 filing data is available on this page for 2023–2024.
Does Mary A Warren 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 2023–2024
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Cite this profile
Grantable. (2026). Mary A Warren Foundation funder profile. GrantGraph. Retrieved October 17, 2026, from https://grantable.co/funders/mary-a-warren-foundation-morg_4831b2f47916496a9e14863b8aff66d1
BibTeX
@misc{grantable_931422593_2026,
author = {{Grantable}},
title = {{Mary A Warren Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/mary-a-warren-foundation-morg_4831b2f47916496a9e14863b8aff66d1},
note = {Accessed 2026-10-17. 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 Mary A Warren 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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