The Prioleau Family Foundation

Private foundation · Grantmaker Houston, TX EIN: 73-1646678

The Prioleau Family Foundation is a private foundation based in Houston, Texas. It made 17 grants totaling $79,515 in filing year 2024, supporting preselected charitable organizations.

The Prioleau Family Foundation at a glance

In short: The Prioleau Family Foundation gave $80K across 17 grants in 2024 (avg $5K), mostly in Texas. 29% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$79,515
+24.7% vs 2023
Grants made (2024)
17
-10.5% vs 2023
Average grant
$4,677
+39.4% vs 2023
Median grant
$2,000
Total assets
$1,071,282
+0.3% vs 2023
New grantees (estimate)
29% first-time grantees (5 of 17, 2024; small sample)
Primary geography
Texas (70% 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 Prioleau Family Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation states on its 2024 filing that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.

Contact

Mailing address: 600 Travis Street Suite 4200, Houston, TX 77002-2929
Phone: (713) 527-4412

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who The Prioleau Family Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Washington & Lee University: $22KWashington & Lee University$22KGalveston Bay Foundation: $20KGalveston Bay Foundation$20KEpiscopal High School: $10KEpiscopal High School$10KChrist Church Cathedral: $7KChrist Church Cathedral$7KPro-Vision Inc: $7KPro-Vision Inc$7KForum of Civics Foundation: $3KForum of Civics Foundation$3KHouston Barc Foundation: $3KHouston Barc Foundation$3KStanford University: $2KStanford University$2KThe Museum of Fine Arts Houston: $2KThe Museum of Fine ArtsHouston$2KMake a Wish Foundation of Texas: $2KMake a Wish Foundation ofTexas$2K

The largest 2024 recipient was Washington & Lee University ($22K). Together the top 10 received $76K.

Grant Size Distribution

85 grants across all recorded years

85<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 85 grants of 85 (100%).

Geographic Focus

Where this funder awards grants

In 2024, 70% of grant dollars went to recipients in Texas, 27% to Virginia, and 3% to California.

Grant Distribution by State

11states

Share of 2024 grant dollars across all 17 itemized grants.

Cities

HoustonLexingtonKemahStanfordAustinBellaireCharlestonAlexandriaChicagoEdwardsFriscoMissoulaNeedhamNew YorkPensacolaStaffordTown And Country

Is The Prioleau Family Foundation open to new grantees?

29%

first-time grantees, 2024

In 2024, 5 of 17 grantees (29%) were first-time recipients. With only 17 grantees, that is a small sample: one grantee more or less moves the share by about 6 points. First grants averaged $713; repeat grants $6K. How we count

Medians: $300 first-time, $2K repeat.

  • 65% of 2024 grantees were also funded in 2023. Method
  • Giving grew 48% from 2021 to 2024. Method
  • In 2024 it paid out 140% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). 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

$0$50K$100K$150K19 grants2020 15 grants2021 15 grants2022 19 grants2023 17 grants2024

From 2020 to 2024, annual grant giving ranged from $52K (2022) to $119K (2020). In 2024 it made 17 grants totaling $80K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Washington & Lee University Lexington, VAGeneral Purpose$21,500
Galveston Bay Foundation Kemah, TXGeneral Purpose$20,000
Episcopal High School Bellaire, TXGeneral Purpose$10,000
Christ Church Cathedral Houston, TXGeneral Purpose$7,100
Pro-Vision Inc Houston, TXGeneral Purpose$7,000
Forum of Civics Foundation Houston, TXGeneral Purpose$2,850
Houston Barc Foundation Houston, TXGeneral Purpose$2,500
Stanford University Stanford, CAGeneral Purpose$2,000
The Museum of Fine Arts Houston Houston, TXGeneral Purpose$2,000
Make a Wish Foundation of Texas Austin, TXGeneral Purpose$1,500
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$1,071,282$85,870$84,491$79,51517$79,515$81,070$56,798
2023$1,068,527$179,778$67,355$63,75019$63,750$176,173$51,728
2022$959,826$39,575$51,535$51,53515$51,535$39,575$55,713
2021$968,253$38,676$59,879$53,59915$53,599$32,396$57,675
2020$2,021,208$182,835$133,786$119,44319—$81,073$88,639

Under IRS private-foundation payout rules, The Prioleau Family Foundation reported a distributable amount of $57K 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 in the available information. The 2024 grantees include organizations with varied missions. For example, the Galveston Bay Foundation says its mission is to preserve and enhance Galveston Bay; PRO-VISION says it works to inspire hope and purpose in young people through academic, economic, and social enrichment; and Houston BARC Foundation says it raises funds to improve animal shelter facilities and support homeless-animal prevention and spay-and-neuter assistance.

Other supported organizations include the Houston Area Parkinson Society, whose mission is to reduce fear and isolation associated with a Parkinson’s diagnosis, and Houston Botanic Garden, whose mission is to enrich life through plant discovery, education, and conservation.

Grantmaking

In filing year 2024, the foundation reported 17 grants totaling $79,515. Grants ranged from $100 to $21,500, with a median grant of $2,000. Its largest grants included $21,500 to Washington & Lee University, $20,000 to Galveston Bay Foundation, $10,000 to Episcopal High School, $7,100 to Christ Church Cathedral, and $7,000 to PRO-VISION.

Other 2024 grants included $2,850 to Forum of Civics Foundation, $2,500 to Houston BARC Foundation, $2,000 each to Stanford University and The Museum of Fine Arts Houston, $1,500 to Make-A-Wish Foundation of Texas, $1,000 to Houston Area Parkinson Society, $500 to Houston Botanic Garden, and $300 to Habitat for Humanity.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Miriam Payne Prioleau as president, Carolyn Prioleau as secretary, and Charlie Prioleau and Wilson Prioleau as directors.

The Prioleau Family Foundation is led by Miriam Payne Prioleau, President on every filing since 2020; none of the 4 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Miriam Payne Prioleau

    President

    On filings since 2020

    No compensation reported

  • Charlie Prioleau

    Director

    On filings since 2020

    No compensation reported

  • Wilson Prioleau

    Director

    On filings since 2021

    No compensation reported

  • Carolyn Prioleau

    Secretary

    On filings since 2021

    No compensation reported

Former officers (4)
  • Former: Carolyn W. Payne (2020) — Director
  • Former: Julie Payne (2020) — Director
  • Former: Leon Payne Jr. (2020) — Director
  • Former: Mary Katherine Payne (2020) — Secretary

Data from IRS Form 990 filings, 2020–2024. "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 Prioleau Family Foundation

How much does The Prioleau Family Foundation give each year?

The Prioleau Family Foundation gave $80K across 17 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $64K across 19 grants.

What is The Prioleau Family Foundation's typical grant size?

The Prioleau Family Foundation's median grant in 2024 was $2,000, and its average grant was $4,677, across 17 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from The Prioleau Family Foundation that year got $713 on average.

Where does The Prioleau Family Foundation give grants?

The Prioleau Family Foundation gives mostly in Texas: 70% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was Virginia (27%). The most frequent recipient cities were Houston, TX (12 grants).

Does The Prioleau Family Foundation give general operating support?

Yes: 100% of The Prioleau Family Foundation's 2024 grants with a stated purpose (17 of 17) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are The Prioleau Family Foundation's largest grantees?

The Prioleau Family Foundation's largest 2024 grantees include Washington & Lee University ($21,500), Galveston Bay Foundation ($20,000) and Episcopal High School ($10,000), according to its 2024 IRS Form 990-PF. Together they received 65% of its itemized 2024 grant dollars.

How large is The Prioleau Family Foundation?

The Prioleau Family Foundation reported $1.1M in total assets on its 2024 IRS Form 990-PF. It paid out $80K in qualifying distributions that year, against a required minimum of $57K (roughly 5% of its investment assets).

What does The Prioleau Family Foundation fund?

No foundation mission is stated in the available information. The 2024 grantees include organizations with varied missions. See mission & focus areas ↑

How do I apply for a grant from The Prioleau Family Foundation?

The foundation states on its 2024 filing 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 Prioleau Family Foundation's EIN?

The Prioleau Family Foundation's EIN (Employer Identification Number) is 73-1646678. IRS Form 990 filing data is available on this page for 2020–2024.

Does The Prioleau 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

  1. IRS filings on file for fiscal years 2020–2024

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Cite this profile

Grantable. (2026). The Prioleau Family Foundation funder profile. GrantGraph. Retrieved October 23, 2026, from https://grantable.co/funders/the-prioleau-family-foundation-morg_c03d137e35764226b773e0467475d536

BibTeX
@misc{grantable_731646678_2026,
  author       = {{Grantable}},
  title        = {{The Prioleau Family Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-prioleau-family-foundation-morg_c03d137e35764226b773e0467475d536},
  note         = {Accessed 2026-10-23. 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 Prioleau 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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