The Mackesy Family Foundation is a private grantmaking foundation based in Bronxville, New York. Established in 2016, it operates as a 501(c)(3) organization dedicated to philanthropic giving across multiple regions of the United States.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
—
Annual Giving
$2.9M
-18.7% YoY
Grant Count
18
+0.0% YoY
Avg Grant Size
$159K
-18.7% YoY
Mission & Focus Areas
The foundation does not specify particular subject areas of focus in its public filings. However, its grantmaking activities span Education, Philanthropy and Voluntarism, and Human Services, with funding distributed across multiple states including New York, Virginia, California, Connecticut, Florida, Kentucky, New Jersey, Oklahoma, Pennsylvania, and Washington D.C.
Grantmaking
The foundation reports being open to new applicants, with approximately 12% of new applicants receiving funding.
Average Grant
amount: $1,000–$2,670,000
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Geographic Focus
Where this funder awards grants
The foundation funds projects across multiple U.S. cities and states, including Beverly Hills, Bronx, Brooklyn, Charlottesville, and numerous locations in California, Connecticut, Florida, Kentucky, New Jersey, New York, Oklahoma, Pennsylvania, Virginia, and Washington D.C.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
Assets & Revenue:
- Total assets (2023): $24,205,361
- Total assets (2024): $22,652,493
- Annual revenue (2023): $4,519,122
- Annual expenses (2023): $3,868,708
- Expense ratio: 85.6%
- Total liabilities (2023): $0
The foundation maintains a strong financial position with no outstanding liabilities.
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | — | — | — |
| Revenue | — | — | — |
| Expenses | — | — | — |
| Qualifying Distributions | — | — | — |
| Net Investment Income | — | — | — |
| Distributable Amount | — | — | — |
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
91 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Leadership team and compensation from IRS filings
The foundation is managed by co-trustees D. Scott Mackesy and Jennifer T. Mackesy, both of whom work one hour per week without compensation.
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| D SCOTT MACKESY | CO -TRUSTEE | 1 | — |
| JENNIFER T MACKESY | CO-TRUSTEE | 1 | — |
Subject Areas
Focus areas based on grantmaking activity
Related Funders
Similar funders by location and focus area
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Ramsleg Foundation
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Druckenmiller Foundation
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Assets
$1.8B
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Total Given
$135.7M
Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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