The O' Sullivan Family Foundation
Invitation OnlyHouston, Texas · EIN 87-1331967 · Private foundation
Grants paid (2024)$135K
Organizations funded16
Typical grant$5,000
Total assets$65K
Half of its grants to organizations were between $1,715 and $7,500.
From the return
How to apply
On its return for tax year 2024 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
0% of grants went outside Texas.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| St John's School | Houston, TX | General purpose | $59,100 |
| The Beacon | Houston, TX | General purpose | $17,500 |
| Nick Finnegan Counceling Center | Houston, TX | General purpose | $8,500 |
| Menninger Clinic | Houston, TX | General purpose | $8,000 |
| The Garden Club of Houston | Houston, TX | General purpose | $7,500 |
| Trees for Houston | Houston, TX | General purpose | $5,750 |
| The John Garden | Hempstead, TX | General purpose | $5,500 |
| Roco | Houston, TX | General purpose | $5,000 |
| American Cancer Society | Houston, TX | General purpose | $5,000 |
| The Museum of Fine Arts Houston | Houston, TX | General purpose | $5,000 |
| The Brookwood Community | Brookshire, TX | General purpose | $2,700 |
| The River Oaks Foundation | Houston, TX | General purpose | $2,000 |
| Houston Botanic Garden | Houston, TX | General purpose | $1,715 |
| Herman Park Conservancy | Houston, TX | General purpose | $1,000 |
| Emerge Fellowship | Houston, TX | General purpose | $556 |
| Holy Hall Retirement Community | Houston, TX | General purpose | $500 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $135,321 | 16 |
| 2023 | $143,750 | 24 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 11, 2025 - IRS e-file batch, object ID 202513149349103416
- IRS Tax Exempt Organization Search for EIN 87-1331967
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.