Mahaffey Family Foundation
Mahaffey Family Foundation is a private foundation, based in St Petersburg, FL. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $546K in total assets. In 2024, it awarded 6 grants totaling $80K. Net investment income was $58K.
Mahaffey Family Foundation at a glance
In short: Mahaffey Family Foundation gave $80K across 6 grants in 2024 (avg $13K), mostly in Florida. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $80,000
- +0.0% vs 2023
- Grants made (2024)
- 6
- -14.3% vs 2023
- Average grant
- $13,333
- +16.7% vs 2023
- Median grant
- $12,500
- Total assets
- $546,276
- -4.1% vs 2023
- Primary geography
- Florida (81% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated September 2026.
Who Mahaffey Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 6 recipients in 2024
The largest 2024 recipient was Community Foundation Tampa Bay ($20K). Together the top 6 received $80K.
Grant Size Distribution
45 grants across all recorded years
The most common grant size was under $50K: 45 grants of 45 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 6 itemized grants.
Cities
How Mahaffey Family Foundation gives
- Giving fell 24% from 2021 to 2024. Method
- In 2024 it paid out 232% 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
From 2020 to 2024, annual grant giving ranged from $80K (2020) to $105K (2021). In 2024 it made 6 grants totaling $80K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Community Foundation Tampa Bay Tampa, FL | General operating support | $20,000 |
| Lutheran Church of the Cross Day School St Petersburg, FL | General operating support | $20,000 |
| Sisters of Providence Saint MaryoftheWood, IN | Support of the grotto refurbishing project | $15,000 |
| Clothes to Kids Clearwater, FL | General operating support | $10,000 |
| St Petersburg Free Clinic St Petersburg, FL | General operating support | $7,500 |
| St Thomas Episcopal Church St Petersburg, FL | Support of relief efforts following hurricanes Helene and Milton | $7,500 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $546,276 | $62,306 | $85,884 | $80,000 | 6 | $80,800 | $58,422 | $34,791 |
| 2023 | $569,854 | $27,420 | $84,536 | $80,000 | 7 | $80,000 | $27,420 | $37,357 |
| 2022 | $626,843 | $42,535 | $94,743 | $90,000 | 8 | $90,000 | $42,535 | $38,265 |
| 2021 | $681,557 | $89,232 | $109,675 | $105,000 | 12 | $105,000 | $83,477 | $40,865 |
| 2020 | $702,000 | $29,713 | $85,064 | $80,000 | 12 | — | $28,156 | $38,900 |
Under IRS private-foundation payout rules, Mahaffey Family Foundation reported a distributable amount of $35K for 2024 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Mahaffey Family Foundation is led by Mark T Mahaffey, CEO on every filing since 2020; 1 of 2 officers listed in 2024 is compensated.
Officers on the 2024 filing
Mark T Mahaffey
CEO
On filings since 2020
0.5 hrs/week
No compensation reported
Hancock Whitney Bank
Trustee
New on the 2024 filing
4 hrs/week
$3K (2024)
Former officers (1)
- Former: sabal trust company (2020–2023) — Trustee
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2024 IRS filing
The highest reported compensation on the 2024 filing was $3K, to Hancock Whitney Bank (Trustee).
Frequently asked questions about Mahaffey Family Foundation
How much does Mahaffey Family Foundation give each year?
Mahaffey Family Foundation gave $80K across 6 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $80K across 7 grants.
What is Mahaffey Family Foundation's typical grant size?
Mahaffey Family Foundation's median grant in 2024 was $12,500, and its average grant was $13,333, across 6 grants on its 2024 IRS Form 990-PF.
Where does Mahaffey Family Foundation give grants?
Mahaffey Family Foundation gives mostly in Florida: 81% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was Indiana (19%). The most frequent recipient cities were St Petersburg, FL (3 grants).
Does Mahaffey Family Foundation give general operating support?
Yes: 67% of Mahaffey Family Foundation's 2024 grants with a stated purpose (4 of 6) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are Mahaffey Family Foundation's largest grantees?
Mahaffey Family Foundation's largest 2024 grantees include Community Foundation Tampa Bay ($20,000), Lutheran Church of the Cross Day School ($20,000) and Sisters of Providence ($15,000), according to its 2024 IRS Form 990-PF. Together they received 69% of its itemized 2024 grant dollars.
How large is Mahaffey Family Foundation?
Mahaffey Family Foundation reported $546K in total assets on its 2024 IRS Form 990-PF. It paid out $81K in qualifying distributions that year, against a required minimum of $35K (roughly 5% of its investment assets).
What is Mahaffey Family Foundation's EIN?
Mahaffey Family Foundation's EIN (Employer Identification Number) is 59-7261732. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Mahaffey Family Foundation funds
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