McKiernan Family Foundation
McKiernan Family Foundation is a private foundation, based in Wilmington, DE. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $18K in total assets. In 2025, it awarded 1 grant totaling $10K. Net investment income was $7K.
McKiernan Family Foundation at a glance
In short: McKiernan Family Foundation gave $10K across 1 grant in 2025 (avg $10K), mostly in Massachusetts. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $10,000
- -95.5% vs 2024
- Grants made (2025)
- 1
- -83.3% vs 2024
- Average grant
- $10,000
- -73.0% vs 2024
- Median grant
- $10,000
- Total assets
- $18,292
- -50.0% vs 2024
- Primary geography
- Massachusetts (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who McKiernan Family Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was The American Ireland Fund ($10K).
Grant Size Distribution
16 grants across all recorded years
The most common grant size was under $50K: 12 grants of 16 (75%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
Cities
How McKiernan Family Foundation gives
- Giving fell 92% from 2022 to 2025. Method
- In 2025 it paid out well above 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
From 2020 to 2025, annual grant giving ranged from $10K (2025) to $222K (2024). In 2025 it made 1 grant totaling $10K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The American Ireland Fund Boston, MA | Ireland Business Plan Competition through IDEATE | $10,000 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $18,292 | $-2,005 | $16,305 | $10,000 | 1 | $13,525 | $6,639 | $1,123 |
| 2024 | $36,602 | $206,959 | $225,995 | $222,000 | 6 | $225,525 | $188,737 | — |
| 2023 | $55,638 | $199,227 | $152,005 | $147,000 | 4 | $150,525 | $123,152 | — |
| 2022 | $8,416 | $128,557 | $130,305 | $125,000 | 2 | $128,525 | $108,092 | — |
| 2021 | $10,164 | $46,758 | $43,805 | $36,000 | 3 | — | $46,844 | — |
| 2020 | $7,211 | $33,907 | $84,157 | $80,000 | 1 | — | $75,135 | $2,168 |
Under IRS private-foundation payout rules, McKiernan Family Foundation reported a distributable amount of $1K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
McKiernan Family Foundation is led by William S McKiernan, President, Director & Secretary on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2025 filing
William S McKiernan
President, Director & Secretary
On filings since 2020
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "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 McKiernan Family Foundation
How much does McKiernan Family Foundation give each year?
McKiernan Family Foundation gave $10K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $222K across 6 grants.
How large is McKiernan Family Foundation?
McKiernan Family Foundation reported $18K in total assets on its 2025 IRS Form 990-PF. It paid out $14K in qualifying distributions that year, against a required minimum of $1K (roughly 5% of its investment assets).
Where does McKiernan Family Foundation operate?
McKiernan Family Foundation has awarded grants in California, District of Columbia, Massachusetts, Nevada, New York.
What is McKiernan Family Foundation's EIN?
McKiernan Family Foundation's EIN (Employer Identification Number) is 27-2216128. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS March 15, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS April 20, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS February 1, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS February 14, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS February 13, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS February 10, 2026)
- IRS filings on file for fiscal years 2020–2025
Live grants for the work McKiernan Family Foundation funds
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