The Williamson Foundation
Preselected recipients only
The Williamson Foundation is a private foundation in San Antonio, Texas. In tax year 2025 it gave $74,975 in 20 grants; the typical grant was $2,578 and the largest $20,000. It only gives to organizations it selects itself and does not accept unsolicited applications.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$74,975
- Number of grants20
- Typical grant$2,578
- Largest grant$20,000
- Assets$2.6 million
- New grantees20%
Giving in 2025 was down from $97,021 the year before.
20% of its 2025 grantees had not received a grant from it the year before, a mix of repeat and new grantees.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $85,315 | 20 | $1.9 million |
| 2024 | $97,021 | 19 | $2.2 million |
| 2025 | $74,975 | 20 | $2.6 million |
How to apply
The Williamson Foundation says in its IRS filing that it only makes contributions to preselected organizations, so unsolicited applications are unlikely to be considered. Organizations it funds are usually invited.
What The Williamson Foundation funds
Where it gives
Its grants went to recipients in 5 states, the most to Texas.
| State | Grants | Amount |
|---|---|---|
| Texas | 14 | $39,162 |
| California | 3 | $26,040 |
| Wisconsin | 1 | $6,198 |
| New York | 1 | $3,075 |
| Kansas | 1 | $500 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Rancho Mirage Writers Festival | For the orgs charitable purposes | $20,000 |
| Texas Public Radio | For the orgs charitable purposes | $10,325 |
| Freedom From Religion Foundation | For the orgs charitable purposes | $6,198 |
| Briscoe Western Art Museum | For the orgs charitable purposes | $5,149 |
| McCallum Theatre | For the orgs charitable purposes | $5,000 |
| KLRN | For the orgs charitable purposes | $4,000 |
| Opera San Antonio | For the orgs charitable purposes | $3,090 |
| Propublica Publisher's Circle | For the orgs charitable purposes | $3,075 |
| Project Mend | For the orgs charitable purposes | $2,630 |
| San Antonio Conservation Society Foundation | For the orgs charitable purposes | $2,580 |
| San Antonio Botancial Garden | For the orgs chartiable purposes | $2,576 |
| Texas Tribune | For the orgs charitable purposes | $2,045 |
| McNay Art Museum | For the orgs charitable purposes | $1,500 |
| The Witte Museum | For the orgs charitable purposes | $1,200 |
| Wikimedia Foundation | For the orgs chartiable purpose | $1,040 |
| Hemisfair Conservancy | For the orgs charitable purposes | $1,037 |
| Green Spaces Alliance of South Texas | For the orgs charitable purposes | $1,030 |
| San Antonio Museum of Art | For the orgs charitable purposes | $1,000 |
| Texas State Historical Association | For the orgs charitable purposes | $1,000 |
| Kansas University Endowment Foundation | For the orgs charitable purposes | $500 |
Officers and trustees
- Patrick Williamson
- Michael Williamson
- Ronn Williamson
Questions people ask
Does The Williamson Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does The Williamson Foundation give?
$74,975 in tax year 2025, across 20 grants, with a typical grant of $2,578.
Who runs The Williamson Foundation?
Its 2025 filing lists Patrick Williamson (Manager), Michael Williamson (Vice President) and Ronn Williamson (Secretary/Treasurer).
What does The Williamson Foundation fund?
Based on its grants, mainly arts and culture and environment and conservation.