The O' Sullivan Family Foundation
The O' Sullivan Family Foundation is a private foundation based in Houston, Texas. In 2024, it gave $135,321 in grants to 16 organizations; the listed recipients were in Texas.
The O' Sullivan Family Foundation at a glance
In short: The O' Sullivan Family Foundation gave $135K across 16 grants in 2024 (avg $8K), mostly in Texas. 25% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $135,321
- -5.9% vs 2023
- Grants made (2024)
- 16
- -33.3% vs 2023
- Average grant
- $8,458
- +41.2% vs 2023
- Median grant
- $5,000
- Total assets
- $25,174
- -63.4% vs 2023
- New grantees (estimate)
- 25% first-time grantees (4 of 16, 2024; small sample)
- Primary geography
- Texas (100% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to The O' Sullivan Family Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 1100 Louisiana St Suite 5100, Houston, TX 77002
Phone: (713) 650-8500
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The O' Sullivan Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was St John's School ($59K). Together the top 10 received $127K.
Grant Size Distribution
55 grants across all recorded years
The most common grant size was under $50K: 53 grants of 55 (96%).
Geographic Focus
Where this funder awards grants
All grant dollars in 2024 went to recipients in Texas.
Grant Distribution by State
Share of 2024 grant dollars across all 16 itemized grants.
States
Cities
Is The O' Sullivan Family Foundation open to new grantees?
25%
first-time grantees, 2024
In 2024, 4 of 16 grantees (25%) were first-time recipients. With only 16 grantees, that is a small sample: one grantee more or less moves the share by about 6 points. First grants averaged $3K; repeat grants $10K. How we count
Medians: $4K first-time, $6K repeat.
- 75% of 2024 grantees were also funded in 2023. Method
- In 2024 it paid out well above its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2022–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2022 to 2024, annual grant giving ranged from $107K (2022) to $144K (2023). In 2024 it made 16 grants totaling $135K.
Grants by year
Grant recipients and amounts by year
| Recipient | 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 |
Ready to take the next step with The O' Sullivan Family Foundation?
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 | $25,174 | $96,640 | $140,220 | $135,321 | 16 | $135,321 | $94,140 | $6,441 |
| 2023 | $68,754 | $167,306 | $146,563 | $143,750 | 24 | $143,750 | $166,190 | $11,980 |
| 2022 | $48,011 | $615,733 | $107,640 | $107,300 | 15 | $107,300 | $109,058 | $9,797 |
Under IRS private-foundation payout rules, The O' Sullivan Family Foundation reported a distributable amount of $6K for 2024 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No foundation mission is stated. Its 2024 grantees include organizations whose missions span education, arts and culture, environmental conservation, disability services, and economic mobility. St. John’s School describes itself as an independent, co-educational day school providing college-preparatory training. Trees For Houston says its mission is to plant, protect, and promote trees in the greater Houston area. The Museum of Fine Arts, Houston describes its work as connecting Houston communities with diverse histories of art.
The Brookwood Community says it provides an educational environment for adults with disabilities, focused on meaningful work, belonging, and purpose. Houston Botanic Garden describes its mission as enriching life through discovery, education, and conservation of plants and the natural environment. EMERGE Fellowship says its fellows persist through graduation and into careers that build long-term economic mobility for themselves and their communities.
Grantmaking
In 2024, the foundation reported 16 grants totaling $135,321. Grant amounts ranged from $500 to $59,100, with a median grant of $5,000. The largest grants included $59,100 to St. John’s School, $17,500 to The Beacon, $8,500 to Nick Finnegan Counseling Center, $8,000 to Menninger Clinic, and $7,500 to The Garden Club of Houston. The filing lists the grants’ purposes as “general purpose.”
Other reported 2024 grants included $5,750 to Trees For Houston, $5,500 to The John Garden, $5,000 each to ROCO, the American Cancer Society, and the Museum of Fine Arts, Houston, and $2,700 to The Brookwood Community. Other 2024 recipients listed include Houston Botanic Garden ($1,715) and EMERGE Fellowship ($556).
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Christopher N O'Sullivan as President and Director; Genevieve K O'Sullivan as Secretary and Director; Nicholas O'Sullivan as Treasurer and Director; and Kimberly O'Sullivan and James O'Sullivan as Directors.
The O' Sullivan Family Foundation is led by Christopher N O'Sullivan, President & Director on every filing since 2021; none of the 5 officers listed in 2024 report compensation.
Officers on the 2024 filing
Christopher N O'Sullivan
President & Director
On filings since 2021
No compensation reported
Genevieve K O'Sullivan
Secretary & Director
On filings since 2021
No compensation reported
James O'Sullivan
Director
On filings since 2021
No compensation reported
Kimberly O'Sullivan
Director
On filings since 2021
No compensation reported
Nicholas O'Sullivan
Treasurer & Director
On filings since 2021
No compensation reported
Former officers (1)
- Former: John O'Sullivan (2021–2022) — Director
Data from IRS Form 990 filings, 2021–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about The O' Sullivan Family Foundation
How much does The O' Sullivan Family Foundation give each year?
The O' Sullivan Family Foundation gave $135K across 16 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $144K across 24 grants.
What is The O' Sullivan Family Foundation's typical grant size?
The O' Sullivan Family Foundation's median grant in 2024 was $5,000, and its average grant was $8,458, across 16 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from The O' Sullivan Family Foundation that year got $3K on average.
Where does The O' Sullivan Family Foundation give grants?
The O' Sullivan Family Foundation gives mostly in Texas: 100% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Houston, TX (14 grants).
Does The O' Sullivan Family Foundation give general operating support?
Yes: 100% of The O' Sullivan Family Foundation's 2024 grants with a stated purpose (16 of 16) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are The O' Sullivan Family Foundation's largest grantees?
The O' Sullivan Family Foundation's largest 2024 grantees include St John's School ($59,100), The Beacon ($17,500) and Nick Finnegan Counceling Center ($8,500), according to its 2024 IRS Form 990-PF. Together they received 63% of its itemized 2024 grant dollars.
How large is The O' Sullivan Family Foundation?
The O' Sullivan Family Foundation reported $25K in total assets on its 2024 IRS Form 990-PF. It paid out $135K in qualifying distributions that year, against a required minimum of $6K (roughly 5% of its investment assets).
What does The O' Sullivan Family Foundation fund?
No foundation mission is stated. Its 2024 grantees include organizations whose missions span education, arts and culture, environmental conservation, disability services, and economic mobility. St. See mission & focus areas ↑
How do I apply for a grant from The O' Sullivan Family Foundation?
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The O' Sullivan Family Foundation's EIN?
The O' Sullivan Family Foundation's EIN (Employer Identification Number) is 87-1331967. IRS Form 990 filing data is available on this page for 2021–2024.
Does The O' Sullivan Family Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2021–2024
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Cite this profile
Grantable. (2026). The O' Sullivan Family Foundation funder profile. GrantGraph. Retrieved October 6, 2026, from https://grantable.co/funders/the-o-sullivan-family-foundation-morg_a4c487831a6e41e2826f38871143e860
BibTeX
@misc{grantable_871331967_2026,
author = {{Grantable}},
title = {{The O' Sullivan Family Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-o-sullivan-family-foundation-morg_a4c487831a6e41e2826f38871143e860},
note = {Accessed 2026-10-06. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from The O' Sullivan Family Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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