Mary A Warren Foundation

Foundation · Grantmaker Boston, MA EIN: 93-1422593

Mary A Warren Foundation is a private foundation, based in Boston, MA. IRS filing data is available from 2023 through 2024. As of 2024, the organization holds $6.0M in total assets. In 2024, it awarded 12 grants totaling $410K. Net investment income was $1.6M.

Key facts about Mary A Warren Foundation

EIN: 93-1422593
Latest 990 filing: Form 990-PF, 2024
Annual giving (2024): $410,000
Grants made (2024): 12
Average grant: $34,167
Median grant: $22,500
Total assets: $6,000,940
Primary geography: Massachusetts (87% of itemized 2024 grant dollars)

Data from IRS Form 990-PF, 2024; updated September 2026.

Who Mary A Warren Foundation funds

By grant dollars, the top recipient states for Mary A Warren Foundation's 12 itemized 2024 grants were Massachusetts (87%), Illinois (6%) and New York (6%). The most frequent recipient cities were Boston, MA (2 grants). 100% of grants with a stated purpose were for general or operating support.

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.

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Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$6.0M

+97.9% YoY

Annual Giving

$410K

Grant Count

Avg Grant Size

$34K

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.

About Mary A Warren Foundation

Based on IRS filings

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

Massachusetts $355K (87%)

Illinois $25K (6%)

New York $25K (6%)

Florida $5K (1%)

Share of all 12 itemized 2024 grant dollars.

States

Florida Illinois Massachusetts New York

Cities

BostonBeverlyBrightonChicagoEnglewoodGloucesterHullLynnMedfordNeedhamNew York

Financial History

Multi-year comparison from IRS filings

Revenue

Expenses

Qualifying Distributions

Net Investment Income

Metric	2024	2023
Total Assets	$6,000,940	$3,032,034
Revenue	$4,255,589	$2,835,234
Expenses	$459,993	$1,342
Qualifying Distributions	$422,381	—
Net Investment Income	$1,554,802	$170,292
Distributable Amount	$238,799	$32,928

Data update history

When this profile's IRS filing data changed on Grantable

March 3, 2026 IRS filings on file for fiscal years 2023–2024

Giving Over Time

Total grant dollars and number of grants per year

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Grant Size Distribution

12 grants across all recorded years

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest recipients include Gifford Cat Shelter ($150,000), Pan-Mass Challenge ($100,000), Alzheimer's Association ($25,000).

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

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

No officer or director reported compensation in the available filings.

From 2024 IRS filing

Name	Title	Hours	Compensation
Jessica L Lambert	Trustee	1	—
Theodore P Kramer	Trustee	1	—

Frequently Asked Questions

How large is Mary A Warren Foundation?

As of 2024, Mary A Warren Foundation holds $6.0M in total assets with $4.3M in annual revenue. It awarded 12 grants totaling $410K in 2024.

Where does Mary A Warren Foundation operate?

Mary A Warren Foundation has awarded grants in Florida, Illinois, Massachusetts, New York.

What size grants does Mary A Warren Foundation award?

In 2024, Mary A Warren Foundation awarded 12 grants totaling $410K — an average of about $34K per grant, based on its IRS Form 990 filings.

How much is Mary A Warren Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Mary A Warren Foundation reported a distributable amount of $239K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.