George & Mary Josephine Hamman Foundation
George & Mary Josephine Hamman Foundation is a private foundation, based in Houston, TX. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $94.5M in total assets. In 2025, it awarded 2 grants totaling $6.4M. Net investment income was $8.9M.
George & Mary Josephine Hamman Foundation at a glance
In short: George & Mary Josephine Hamman Foundation gave $6.4M across 2 grants in 2025 (avg $3.2M), mostly in Texas. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $6,361,250
- +7.7% vs 2024
- Grants made (2025)
- 2
- +0.0% vs 2024
- Average grant
- $3,180,625
- +7.7% vs 2024
- Median grant
- $3,180,625
- Total assets
- $94,549,196
- +2.1% vs 2024
- Primary geography
- Texas (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.
How to apply to George & Mary Josephine Hamman Foundation
Open Grants
1 open opportunity from George & Mary Josephine Hamman Foundation
Who George & Mary Josephine Hamman Foundation funds
How this funder distributes its grants
Grant Size Distribution
10 grants across all recorded years
The most common grant size was in the $1–5M range: 9 grants of 10 (90%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 2 itemized grants.
States
Cities
How George & Mary Josephine Hamman Foundation gives
- Giving held roughly steady from 2022 to 2025 (+18%). Method
- In 2025 it paid out 94% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. 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 2019 to 2025, annual grant giving ranged from $5.0M (2020) to $6.4M (2025). In 2025 it made 2 grants totaling $6.4M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Various Organizations Houston, TX | Schools, Medical Arts, Conservation | $5,030,000 |
| 1 individual scholarship Recipients not named | — | $1,331,250 |
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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 | $94,549,196 | $9,887,024 | $7,871,328 | $6,361,250 | 2 | $6,923,064 | $8,938,760 | $7,339,291 |
| 2024 | $92,649,384 | $16,294,666 | $7,404,306 | $5,907,000 | 2 | $6,441,584 | $15,331,944 | $6,573,328 |
| 2023 | $83,859,024 | $5,639,254 | $7,060,274 | $5,620,000 | 2 | $6,156,117 | $4,735,097 | $6,165,471 |
| 2022 | $85,330,044 | $3,391,598 | $6,946,050 | $5,389,500 | 2 | $5,972,202 | $2,745,823 | $6,783,166 |
| 2021 | $89,049,806 | $15,061,884 | $6,880,429 | $5,336,250 | 2 | $5,856,425 | $14,037,643 | $7,280,037 |
| 2020 | $81,080,533 | $11,639,952 | $6,326,773 | $5,040,500 | 2 | — | $10,834,808 | $5,717,052 |
| 2019 | $75,801,304 | $8,566,974 | $6,461,563 | $5,248,000 | 2 | — | $7,810,614 | $5,309,236 |
Under IRS private-foundation payout rules, George & Mary Josephine Hamman Foundation reported a distributable amount of $7.3M for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
George & Mary Josephine Hamman Foundation is led by Anne H Sheperd, President since 2021 (on filings since 2019); all 7 officers listed in 2025 are compensated.
Officers on the 2025 filing
Anne H Sheperd
President
Secretary → President, 2021
On filings since 2019
35 hrs/week
$12K (2019) → $74K (2025)
D Troy Derouen
Prior Executive Director
Executive Director → Prior Executive Director, 2025
On filings since 2019
40 hrs/week
$164K (2019) → $108K (2025)
Bradley Elgin
Executive Director
New on the 2025 filing
40 hrs/week
$144K (2025)
Russell R Hamman
Director
On filings since 2019
2 hrs/week
$10K (2019) → $12K (2025)
Kendall H Connors
Director
On filings since 2020
2 hrs/week
$3K (2020) → $12K (2025)
Charles D Milby Jr.
Treasurer
On filings since 2019
2 hrs/week
$12K (2019) → $12K (2025)
Mary J Milby
Secretary
Director → Secretary, 2021
On filings since 2019
2 hrs/week
$10K (2019) → $12K (2025)
Former officers (1)
- Former: Henry R Hamman (2019–2023) — Chief Investment Officer
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $144K, to Bradley Elgin (Executive Director). 7 officers or directors reported compensation on that filing.
Frequently asked questions about George & Mary Josephine Hamman Foundation
How much does George & Mary Josephine Hamman Foundation give each year?
George & Mary Josephine Hamman Foundation gave $6.4M across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $5.9M across 2 grants.
How large is George & Mary Josephine Hamman Foundation?
George & Mary Josephine Hamman Foundation reported $94.5M in total assets on its 2025 IRS Form 990-PF. It paid out $6.9M in qualifying distributions that year, against a required minimum of $7.3M (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
Where does George & Mary Josephine Hamman Foundation operate?
George & Mary Josephine Hamman Foundation has awarded grants in Texas.
What is George & Mary Josephine Hamman Foundation's EIN?
George & Mary Josephine Hamman Foundation's EIN (Employer Identification Number) is 74-6061447. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2019 (received by the IRS May 8, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 14, 2026)
- IRS filings on file for fiscal years 2020–2024
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