The Williamson Foundation | Foundation Profile
GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like The Williamson Foundation. Data shown is extracted from Form 990-PF filings.
EIN: 61-1805991
Foundation Overview
Based in San Antonio, TX, The Williamson Foundation has awarded 201 grants totaling $775,289 to organizations in Texas, Wisconsin and 8 other states across the US. Individual grants range from $100 to $34,150, with a median award of $2,000.
Latest Tax Year
2024
Total Giving (all years)
$775,289
Total Assets
$2,240,770
Median Grant (all grants)
$2,000
Latest Form 990-PF Snapshot
Total Grants
38
Median Grant
$2,066
% Median Grant Decline
-17%
(vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year:
March 2026
Foundation Intelligence
Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies
New Applicant Friendliness
Closed Network: 11%
4 of 38 recipients (11%) were new grantees. Foundation maintains tight relationships with established partners. New applicants rarely succeed without insider connections.
Geographic Focus
Texas
71% of all grants are concentrated in Texas, demonstrating highly focused geographic giving. This foundation prioritizes deep community impact in its primary service area. Within Texas, funding concentrates in San Antonio (92%), Austin (6%), Dallas (1%).
Funding Trajectory
+21%
Moderate 21% growth trend over 7 years suggests stable and gradually increasing funding capacity. This positive trajectory indicates reliable grant-making resources and sustainable philanthropic commitment.
Program Areas
General Purposes
Highly focused on general purposes with 100% of funding dedicated to this sector. This specialization indicates deep expertise and committed investment in the field.
Where is The Money Going?
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Grants & Funding
Analyzing past grantees provides valuable insights into The Williamson Foundation's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.
| Name | Amount | Location | Purpose | Year |
|---|---|---|---|---|
| Klrn | $3,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| Texas Public Radio | $10,325 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| San Antonio Conservation Society | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| San Antonio Botancial Garden | $2,500 | San Antonio, TX, US | For The Orgs Chartiable Purposes | 2024 |
| San Antonio Museum Of Art | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| Kansas University Endowment | $500 | Lawrence, KS, US | For The Orgs Charitable Purposes | 2024 |
| Texas State Historical Association | $1,000 | Austin, TX, US | For The Orgs Charitable Purposes | 2024 |
| Hemisfair Conservancy | $1,031 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| Propublica Publisher's Circle | $2,000 | New York, NY, US | For The Orgs Charitable Purposes | 2024 |
| Opera San Antonio | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| The Witte Museum | $1,200 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| Mcnay Art Museum | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| Minnesota Environmental Partnership | $34,150 | Saint Paul, MN, US | For The Orgs Charitable Purposes | 2024 |
| Little Flower Basilica | $100 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| Briscoe Western Art Museum | $5,149 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| Mccallum Theatre | $5,000 | Palm Desert, CA, US | For The Orgs Charitable Purposes | 2024 |
| Rancho Mirage Writers Festival | $20,000 | Rancho Mirage, CA, US | For The Orgs Charitable Purposes | 2024 |
| Freedom From Religion Foundation | $2,066 | Madison, WI, US | For The Orgs Charitable Purposes | 2024 |
| San Pedro Playhouse | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| Klrn | $3,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| Texas Public Radio | $10,325 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| San Antonio Conservation Society | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| San Antonio Botancial Garden | $2,500 | San Antonio, TX, US | For The Orgs Chartiable Purposes | 2024 |
| San Antonio Museum Of Art | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| Kansas University Endowment | $500 | Lawrence, KS, US | For The Orgs Charitable Purposes | 2024 |
| Texas State Historical Association | $1,000 | Austin, TX, US | For The Orgs Charitable Purposes | 2024 |
| Hemisfair Conservancy | $1,031 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| Propublica Publisher's Circle | $2,000 | New York, NY, US | For The Orgs Charitable Purposes | 2024 |
| Opera San Antonio | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| The Witte Museum | $1,200 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| Mcnay Art Museum | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| Minnesota Environmental Partnership | $34,150 | Saint Paul, MN, US | For The Orgs Charitable Purposes | 2024 |
| Little Flower Basilica | $100 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| Briscoe Western Art Museum | $5,149 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| Mccallum Theatre | $5,000 | Palm Desert, CA, US | For The Orgs Charitable Purposes | 2024 |
| Rancho Mirage Writers Festival | $20,000 | Rancho Mirage, CA, US | For The Orgs Charitable Purposes | 2024 |
| Freedom From Religion Foundation | $2,066 | Madison, WI, US | For The Orgs Charitable Purposes | 2024 |
| San Pedro Playhouse | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2024 |
| Klrn | $3,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| Texas Public Radio | $10,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| San Antonio Conservation Society | $2,580 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| San Antonio Botancial Garden | $2,500 | San Antonio, TX, US | For The Orgs Chartiable Purposes | 2023 |
| San Antonio Museum Of Art | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| Kansas University Endowment | $500 | Lawrence, KS, US | For The Orgs Charitable Purposes | 2023 |
| Texas State Historical Association | $1,000 | Austin, TX, US | For The Orgs Charitable Purposes | 2023 |
| Hemisfair Conservancy | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| Propublica Publisher's Circle | $1,035 | New York, NY, US | For The Orgs Charitable Purposes | 2023 |
| Opera San Antonio | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| The Witte Museum | $1,200 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| Mcnay Art Museum | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| The Classic Threatre Of San Antonio | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| Lamorinda Soccer Club | $10,000 | Moraga, CA, US | For The Orgs Charitable Purposes | 2023 |
| Kiva Microfunds | $5,000 | San Francisco, CA, US | For The Orgs Charitable Purposes | 2023 |
| Microgrants | $10,000 | Minneapolis, MN, US | For The Orgs Charitable Purposes | 2023 |
| Briscoe Western Art Museum | $5,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| Mccallum Theatre | $5,000 | Palm Desert, CA, US | For The Orgs Charitable Purposes | 2023 |
| Rancho Mirage Writers Festival | $20,000 | Rancho Mirage, CA, US | For The Orgs Charitable Purposes | 2023 |
| Freedom From Religion Foundation | $1,000 | Madison, WI, US | For The Orgs Charitable Purposes | 2023 |
| Klrn | $3,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| Texas Public Radio | $10,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| San Antonio Conservation Society | $2,580 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| San Antonio Botancial Garden | $2,500 | San Antonio, TX, US | For The Orgs Chartiable Purposes | 2023 |
| San Antonio Museum Of Art | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| Kansas University Endowment | $500 | Lawrence, KS, US | For The Orgs Charitable Purposes | 2023 |
| Texas State Historical Association | $1,000 | Austin, TX, US | For The Orgs Charitable Purposes | 2023 |
| Hemisfair Conservancy | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| Propublica Publisher's Circle | $1,035 | New York, NY, US | For The Orgs Charitable Purposes | 2023 |
| Opera San Antonio | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| The Witte Museum | $1,200 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| Mcnay Art Museum | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| The Classic Threatre Of San Antonio | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| Lamorinda Soccer Club | $10,000 | Moraga, CA, US | For The Orgs Charitable Purposes | 2023 |
| Kiva Microfunds | $5,000 | San Francisco, CA, US | For The Orgs Charitable Purposes | 2023 |
| Microgrants | $10,000 | Minneapolis, MN, US | For The Orgs Charitable Purposes | 2023 |
| Briscoe Western Art Museum | $5,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2023 |
| Mccallum Theatre | $5,000 | Palm Desert, CA, US | For The Orgs Charitable Purposes | 2023 |
| Rancho Mirage Writers Festival | $20,000 | Rancho Mirage, CA, US | For The Orgs Charitable Purposes | 2023 |
| Freedom From Religion Foundation | $1,000 | Madison, WI, US | For The Orgs Charitable Purposes | 2023 |
| Klrn | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Texas Public Radio | $8,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| San Antonio Conservation Society | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| San Antonio Botancial Garden | $2,500 | San Antonio, TX, US | For The Orgs Chartiable Purposes | 2022 |
| San Antonio Museum Of Art | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Samministries | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purpose | 2022 |
| Kansas University Endowment | $500 | Lawrence, KS, US | For The Orgs Charitable Purposes | 2022 |
| Texas State Historical Association | $1,000 | Austin, TX, US | For The Orgs Charitable Purposes | 2022 |
| Hemisfair Conservancy | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Propublica Publisher's Circle | $1,000 | New York, NY, US | For The Orgs Charitable Purposes | 2022 |
| Opera San Antonio | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| The Witte Museum | $1,200 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Mcnay Art Museum | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| The Classic Threatre Of San Antonio | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Minnesota Environmental Partnership | $20,500 | Saint Paul, MN, US | For The Orgs Charitable Purposes | 2022 |
| Lamorinda Soccer Club | $9,750 | Moraga, CA, US | For The Orgs Charitable Purposes | 2022 |
| Kiva Microfunds | $7,000 | San Francisco, CA, US | For The Orgs Charitable Purposes | 2022 |
| Microgrants | $10,000 | Minneapolis, MN, US | For The Orgs Charitable Purposes | 2022 |
| Briscoe Western Art Museum | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Klrn | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Texas Public Radio | $8,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| San Antonio Conservation Society | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| San Antonio Botancial Garden | $2,500 | San Antonio, TX, US | For The Orgs Chartiable Purposes | 2022 |
| San Antonio Museum Of Art | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Samministries | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purpose | 2022 |
| Kansas University Endowment | $500 | Lawrence, KS, US | For The Orgs Charitable Purposes | 2022 |
| Texas State Historical Association | $1,000 | Austin, TX, US | For The Orgs Charitable Purposes | 2022 |
| Hemisfair Conservancy | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Propublica Publisher's Circle | $1,000 | New York, NY, US | For The Orgs Charitable Purposes | 2022 |
| Opera San Antonio | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| The Witte Museum | $1,200 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Mcnay Art Museum | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| The Classic Threatre Of San Antonio | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Minnesota Environmental Partnership | $20,500 | Saint Paul, MN, US | For The Orgs Charitable Purposes | 2022 |
| Lamorinda Soccer Club | $9,750 | Moraga, CA, US | For The Orgs Charitable Purposes | 2022 |
| Kiva Microfunds | $7,000 | San Francisco, CA, US | For The Orgs Charitable Purposes | 2022 |
| Microgrants | $10,000 | Minneapolis, MN, US | For The Orgs Charitable Purposes | 2022 |
| Briscoe Western Art Museum | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Klrn | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Texas Public Radio | $8,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| San Antonio Conservation Society | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| San Antonio Botancial Garden | $2,500 | San Antonio, TX, US | For The Orgs Chartiable Purposes | 2022 |
| San Antonio Museum Of Art | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Samministries | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purpose | 2022 |
| Kansas University Endowment | $500 | Lawrence, KS, US | For The Orgs Charitable Purposes | 2022 |
| Texas State Historical Association | $1,000 | Austin, TX, US | For The Orgs Charitable Purposes | 2022 |
| Hemisfair Conservancy | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Propublica Publisher's Circle | $1,000 | New York, NY, US | For The Orgs Charitable Purposes | 2022 |
| Opera San Antonio | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| The Witte Museum | $1,200 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Mcnay Art Museum | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| The Classic Threatre Of San Antonio | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Minnesota Environmental Partnership | $20,500 | Saint Paul, MN, US | For The Orgs Charitable Purposes | 2022 |
| Lamorinda Soccer Club | $9,750 | Moraga, CA, US | For The Orgs Charitable Purposes | 2022 |
| Kiva Microfunds | $7,000 | San Francisco, CA, US | For The Orgs Charitable Purposes | 2022 |
| Microgrants | $10,000 | Minneapolis, MN, US | For The Orgs Charitable Purposes | 2022 |
| Briscoe Western Art Museum | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2022 |
| Klrn | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2021 |
| Texas Public Radio | $5,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2021 |
| San Antonio Conservation Society | $5,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2021 |
| San Antonio Botancial Garden | $5,000 | San Antonio, TX, US | For The Orgs Chartiable Purposes | 2021 |
| Freedom From Religion Foundation | $10,000 | Madison, WI, US | For The Orgs Charitable Purposes | 2021 |
| Samministries | $4,000 | San Antonio, TX, US | For The Orgs Charitable Purpose | 2021 |
| The Children's Shelter | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2021 |
| Texas State Historical Association | $1,000 | Austin, TX, US | For The Orgs Charitable Purposes | 2021 |
| Hemisfair Conservancy | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2021 |
| Propublica Publisher's Circle | $2,000 | New York, NY, US | For The Orgs Charitable Purposes | 2021 |
| Opera San Antonio | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2021 |
| The Witte Museum | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2021 |
| Mcnay Art Museum | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2021 |
| The Classic Threatre Of San Antonio | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2021 |
| Youthlink | $1,000 | Minneapolis, MN, US | For The Orgs Charitable Purposes | 2021 |
| Guadalupe Cultural Arts Center | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2021 |
| Texas Parks And Wildlife Foundation | $1,000 | Dallas, TX, US | For The Orgs Charitable Purposes | 2021 |
| Ballet Sa | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2021 |
| Say Si | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2021 |
| San Antonio Parks Foundation | $6,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2021 |
| Briscoe Western Art Museum | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2021 |
| Klrn | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2020 |
| Texas Public Radio | $5,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2020 |
| San Antonio Conservation Society | $2,500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2020 |
| San Antonio Botancial Garden | $1,000 | San Antonio, TX, US | For The Orgs Chartiable Purposes | 2020 |
| Freedom From Religion Foundation | $1,000 | Madison, WI, US | For The Orgs Charitable Purposes | 2020 |
| Samministries | $5,000 | San Antonio, TX, US | For The Orgs Charitable Purpose | 2020 |
| The Children's Shelter | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2020 |
| Texas State Historical Association | $1,000 | Austin, TX, US | For The Orgs Charitable Purposes | 2020 |
| Amate House | $2,000 | Chicago, IL, US | For The Orgs Charitable Purposes | 2020 |
| Hemisfair Conservancy | $500 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2020 |
| Propublica Publisher's Circle | $1,000 | New York, NY, US | For The Orgs Charitable Purposes | 2020 |
| San Antonio Museum Of Art | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2020 |
| Opera San Antonio | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2020 |
| The Witte Museum | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2020 |
| Mcnay Art Museum | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2020 |
| The Classic Threatre Of San Antonio | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2020 |
| Youthlink | $1,000 | Minneapolis, MN, US | For The Orgs Charitable Purposes | 2020 |
| Guadalupe Cultural Arts Center | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2020 |
| Texas Parks And Wildlife Foundation | $500 | Dallas, TX, US | For The Orgs Charitable Purposes | 2020 |
| St Judes | $200 | Memphis, TN, US | For The Orgs Charitable Purposes | 2018 |
| Amate House | $6,000 | Chicago, IL, US | For The Orgs Charitable Purposes | 2018 |
| Center For Community Empowerment Sy | $3,500 | El Paso, TX, US | For The Orgs Charitable Purposes | 2017 |
| Guidestar | $500 | Williamsburg, VA, US | For The Orgs Charitable Purpose | 2017 |
| Woodlawn Theater | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purpose | 2017 |
| Guadalupe Cultural Arts Center | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2017 |
| Ballet San Antonio | $945 | San Antonio, TX, US | For The Orgs Charitable Purpose | 2017 |
| Sam Antonio Conservation Society | $2,670 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2017 |
| Klrn-tv | $3,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2017 |
| Salt - Playhouse San Antonio | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2017 |
| Green Spaces Alliance | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2017 |
| Opera San Antonio | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2017 |
| The Magik Theatre | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2017 |
| Say Si | $1,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2017 |
| Circus Center | $1,000 | San Francisco, CA, US | For The Orgs Charitable Purposes | 2017 |
| Fractured Atlas | $1,075 | New York, NY, US | For The Orgs Charitable Purposes | 2017 |
| The Classic Theater Of Sa | $2,000 | San Antonio, TX, US | For The Rgs Charitable Purposes | 2017 |
| San Antonio Botanical Garden | $5,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2017 |
| Witte Museum | $3,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2017 |
| San Antonio Metropolitan Ministries | $20,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2017 |
| Youthlink | $527 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2017 |
| Network For Good | $6,000 | Washington, DC, US | For The Orgs Charitable Purposes | 2017 |
| Mcnay Art Museum | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2017 |
| San Antonio Museum Of Art | $2,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2017 |
| The Childrens Shelter | $10,000 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2017 |
| Texas Public Radio | $7,850 | San Antonio, TX, US | For The Orgs Charitable Purposes | 2017 |
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Contact Information
Official contact details for The Williamson Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.
| EIN | 61-1805991 |
| Website | N/A |
| Address | 442 THELMA DR San Antonio, TX 78212-2454 |
Key People (3)
Board members, trustees, and key staff who oversee The Williamson Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.
| Manager | Patrick Williamson |
|---|---|
| Vice Preside | Michael Williamson |
| Secretary/tr | Ronn Williamson |
Forms 990-PF
IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.
Form 990-PF Research Tips
- Review Part XV for detailed grant recipient information and funding purposes
- Check Part I for total assets, annual giving amounts, and payout requirements
- Examine Part VIII for key personnel compensation and board structure
- Look for trends across multiple years to understand giving patterns
About This Foundation Profile
This comprehensive foundation profile for The Williamson Foundation is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.
Data Sources & Accuracy
All information is derived from official IRS filings and public records. Grant Bay processes thousands of Form 990-PF documents to extract grant details, financial data, and organizational information. Data accuracy depends on foundation reporting quality and IRS filing completeness.
Research Applications
Use this profile for prospect research, grant strategy development, application preparation, and relationship building. Combine this data with additional research on foundation priorities, application processes, and board member backgrounds for comprehensive grant seeking strategies.
Data Currency: Last updated
March 2026
based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.