Mary A Warren Foundation

Private foundation · Grantmaker Boston, MA EIN: 93-1422593

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

Gifford Cat Shelter: $150KGifford Cat Shelter$150KPan-Mass Challenge: $100KPan-Mass Challenge$100KAlzheimer's Association: $25KAlzheimer's Association$25KHaven Project Inc: $25KHaven Project Inc$25KJDRF International: $25KJDRF International$25KTufts Medical Center: $25KTufts Medical Center$25KTrustees of Tufts University: $20KTrustees of Tufts University$20KFarms-Pride Community Associations Inc: $15KFarms-Pride CommunityAssociations Inc$15KMSPCA-Angell: $10KMSPCA-Angell$10KCape Ann Animal Aid Group: $5KCape Ann Animal Aid Group$5K

The largest 2024 recipient was Gifford Cat Shelter ($150K). Together the top 10 received $400K.

Grant Size Distribution

12 grants across all recorded years

10<$50K$50–100K2$100–250K$250–500K$500K–1M$1–5M$5M+

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

4states

Share of 2024 grant dollars across all 12 itemized grants.

Cities

BostonBeverlyBrightonChicagoEnglewoodGloucesterHullLynnMedfordNeedhamNew York

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

$0$200K$400K$600K0 grants2023 12 grants2024

In 2024 it made 12 grants totaling $410K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Gifford Cat Shelter Brighton, MAGeneral operating support$150,000
Pan-Mass Challenge Needham, MAGeneral operating support$100,000
Alzheimer's Association Chicago, ILGeneral operating support$25,000
Haven Project Inc Lynn, MAGeneral operating support$25,000
JDRF International New York, NYGeneral operating support$25,000
Tufts Medical Center Boston, MAGeneral operating support$25,000
Trustees of Tufts University Medford, MAGeneral operating support$20,000
Farms-Pride Community Associations Inc Beverly, MAGeneral operating support$15,000
MSPCA-Angell Boston, MAGeneral operating support$10,000
Cape Ann Animal Aid Group Gloucester, MAGeneral operating support$5,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$6,000,940$4,255,589$459,993$410,00012$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

  1. 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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