MacMahon Family Charitable Foundation
The MacMahon Family Charitable Foundation is a private family foundation established in 2003 by Thomas P. MacMahon and his family. Based in Wilmington, Delaware, the foundation operates as a low-profile funder that makes selective grants to organizations, primarily in the Northeast region.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$3.0M
+12.8% YoY
Annual Giving
$690K
-51.9% YoY
Grant Count
23
+35.3% YoY
Avg Grant Size
$30K
-64.5% YoY
Under IRS private-foundation payout rules, MacMahon Family Charitable Foundation reported a distributable amount of $148K for 2024 — the minimum it must pay out in qualifying distributions.
Mission & Focus Areas
The foundation primarily funds grantmaking related to education and youth development. Secondary focus areas include health and human services. The foundation demonstrates a particular commitment to secondary and higher education, with notable support for institutions with personal connections to the MacMahon family, such as St. Peter's University (formerly St. Peter's College), Thomas P. MacMahon's alma mater.
Grantmaking
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Geographic Focus
Where this funder awards grants
The foundation primarily funds organizations in New Jersey and New York City. Secondary geographic interests include North Carolina and Massachusetts.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
- Total Assets: $3,044,062 (as of 2024)
- Total Annual Giving: $690,000 (2024)
- Tax-Exempt Status: Since March 2004
- EIN: 05-6141146
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $3,044,062 | $2,697,987 | $3,520,492 |
| Revenue | $1,078,291 | $675,317 | $1,020,628 |
| Expenses | $732,216 | $1,497,822 | $1,550,197 |
| Qualifying Distributions | $709,012 | $1,455,153 | $1,517,103 |
| Net Investment Income | $506,437 | $592,795 | $867,037 |
| Distributable Amount | $148,209 | $168,938 | $177,988 |
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
111 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Foundation for Morristown Medical Center ($335,000), Kent Place School ($170,000), Saint Peters University ($47,500).
| Recipient | Purpose | Amount |
|---|---|---|
| BOSTON COLLEGE CHESTNUT HILL, MA | General & Unrestricted | $13,000 |
| BOY SCOUTS OF AMERICA CEDAR KNOLLS, NJ | General & Unrestricted | $2,500 |
| CATHOLIC WORLD MISSION INC ROSWELL, GA | General & Unrestricted | $500 |
| CHATHAM DAY SCHOOL INC CHATHAM, NJ | General & Unrestricted | $10,000 |
| ELON UNIVERSITY ELON, NC | General & Unrestricted | $20,000 |
| FAIRFIELD UNIVERSITY FAIRFIELD, CT | General & Unrestricted | $6,000 |
| FOUNDATION FOR MORRISTOWN MEDICAL CENTER MORRISTOWN, NJ | General & Unrestricted | $335,000 |
| INTERFAITH FOOD PANTRY INC MORRIS PLAINS, NJ | General & Unrestricted | $5,000 |
| KENT PLACE SCHOOL SUMMIT, NJ | General & Unrestricted | $170,000 |
| LAFAYETTE COLLEGE EASTON, PA | General & Unrestricted | $3,000 |
Leadership & Key People
Leadership team and compensation from IRS filings
Founder:
- Thomas P. MacMahon — Founder and family patriarch. MacMahon received his B.S. in marketing from St. Peter's College in 1968 and his M.B.A. in marketing from Fairleigh Dickinson University. He began his career with Roche Laboratories, where he became responsible for all U.S. diagnostic operations. MacMahon later served as CEO and president of Laboratory Corp. of America Holdings (Labcorp).
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Sarah MacMahon | Trustee | 1 | — |
| Kelly MacMahon Ewing | Trustee | 1 | — |
| Lauren MacMahon Hand | Trustee | 1 | — |
| Thomas P MacMahon | Trustee | 1 | — |
Recent News & Activity
Recent developments and announcements
The foundation maintains a low public profile with limited news coverage. No recent grant announcements or public activities are documented in available sources.
McMahon Foundation approves $85,000 in grants for 3 organizationsSubject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What does MacMahon Family Charitable Foundation fund?
The foundation primarily funds grantmaking related to education and youth development. Secondary focus areas include health and human services. The foundation demonstrates a particular commitment to secondary and higher education, with notable support for institutions with personal connections to the MacMahon family, such as St. Peter's University (formerly St. Peter's College), Thomas P. MacMahon's alma mater.
How do I apply for a grant from MacMahon Family Charitable Foundation?
**Grant Characteristics:** • Typical award range: $500–$1,035,000 • The foundation tends to support a select group of organizations year after year and rarely branches out to support new grantees • Does not accept unsolicited proposals • Does not actively seek out new grantees **Recent Activity:** • Total giving (2024): $690,000 • The foundation does not maintain a public website and does not publish formal grant guidelines or application procedures
Where does MacMahon Family Charitable Foundation make grants?
The foundation primarily funds organizations in New Jersey and New York City. Secondary geographic interests include North Carolina and Massachusetts.
What size grants does MacMahon Family Charitable Foundation award?
In 2024, MacMahon Family Charitable Foundation awarded 23 grants totaling $690K — an average of about $30K per grant, based on its IRS Form 990 filings.
How much is MacMahon Family Charitable Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, MacMahon Family Charitable Foundation reported a distributable amount of $148K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is MacMahon Family Charitable Foundation's EIN?
MacMahon Family Charitable Foundation's EIN (Employer Identification Number) is 05-6141146. IRS Form 990 filing data is available on this page for 2020–2024.
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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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