Marguerite Sours Foundation
The Marguerite Sours Foundation is a private foundation based in Scottsdale, Arizona. It made 30 grants totaling $115,200 in filing year 2025 to charitable organizations, including organizations working in education, arts, wildlife conservation, animal services, and emergency response.
Marguerite Sours Foundation at a glance
In short: Marguerite Sours Foundation gave $115K across 30 grants in 2025 (avg $4K), top state Texas. 30% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $115,200
- +9.7% vs 2024
- Grants made (2025)
- 30
- +3.4% vs 2024
- Average grant
- $3,840
- +6.1% vs 2024
- Median grant
- $3,000
- Total assets
- $2,754,491
- +5.0% vs 2024
- New grantees (estimate)
- 30% first-time grantees (9 of 30, 2025)
- Primary geography
- Texas (48% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Marguerite Sours 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: 29917 N 160Th St, Scottsdale, AZ 85262
Phone: (602) 637-3260
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Marguerite Sours Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Mercy Health Foundation ($10K). Together the top 10 received $68K.
Grant Size Distribution
147 grants across all recorded years
The most common grant size was under $50K: 147 grants of 147 (100%).
Geographic Focus
Where this funder awards grants
In 2025, the largest shares of grant dollars went to recipients in Texas (48%), Arizona (16%), Colorado (10%), Montana (6%), and California (5%).
Grant Distribution by State
Share of 2025 grant dollars across all 30 itemized grants.
Cities
Is Marguerite Sours Foundation open to new grantees?
30%
first-time grantees, 2025
In 2025, 9 of 30 grantees (30%) were first-time recipients. First grants averaged $5K; repeat grants $3K. How we count
Medians: $5K first-time, $3K repeat.
- 60% of 2025 grantees were also funded in 2024. Method
- Giving fell 24% from 2022 to 2025. Method
- In 2025 it paid out 92% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). 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 2020 to 2025, annual grant giving ranged from $92K (2023) to $152K (2022). In 2025 it made 30 grants totaling $115K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Mercy Health Foundation Corpus Christi, TX | Operations | $10,000 |
| Mission Haus Foundation Boerne, TX | Operations | $10,000 |
| Rampart Vigilance Foundation Floresville, TX | Operations | $10,000 |
| Hangry Donkey Sanctuary Scottsdae, AZ | Operations | $6,500 |
| Music in the Mountains Nevada City, CA | Operations | $6,000 |
| Central Catholic High School Scholarship San Antonio, TX | Operations | $5,000 |
| Furever Sunny Animal Rescue Pemberville, OH | Operations | $5,000 |
| Hutchinson Community College Hutchinson, KS | Operations | $5,000 |
| Polar Bears International Bozeman, MT | Operations | $5,000 |
| Southwest Wildlife Conservation Center Scottsdae, AZ | Operations | $5,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $2,754,491 | $173,508 | $154,585 | $115,200 | 30 | $121,926 | $148,459 | $132,726 |
| 2024 | $2,623,109 | $396,723 | $122,723 | $105,000 | 29 | $112,469 | $387,664 | $119,966 |
| 2023 | $2,457,575 | $79,799 | $132,376 | $92,200 | 30 | $101,810 | $51,575 | $123,325 |
| 2022 | $2,579,659 | $79,431 | $187,389 | $151,600 | 30 | $158,120 | $53,970 | $135,867 |
| 2021 | $2,968,233 | $201,012 | $184,066 | $141,000 | 28 | $150,421 | $172,009 | $141,584 |
| 2020 | $2,878,447 | $-26,745 | $157,172 | $128,000 | 23 | — | $35,342 | $142,812 |
Under IRS private-foundation payout rules, Marguerite Sours Foundation reported a distributable amount of $133K for 2025 — 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 mission statement for the foundation is provided. Its 2025 grants included support for organizations with varied missions. Music in the Mountains says its mission is to preserve and perpetuate live classical music in its rural community; Hutchinson Community College says it works to enhance the college’s educational services; and Polar Bears International says it works to conserve polar bears and the sea ice they depend on. Other recipients describe missions that include providing guide dogs to Texans who are visually impaired (Guide Dogs of Texas), protecting elk and wildlife habitat (Rocky Mountain Elk Foundation), and providing fire protection and rescue services (Rockport Volunteer Fire Department and Fulton Volunteer Fire Department).
Grantmaking
In filing year 2025, the foundation gave 30 grants totaling $115,200. Grants ranged from $1,000 to $10,000, with a median of $3,000. Larger grants included $10,000 each to Mercy Health Foundation, Mission Haus Foundation, and Rampart Vigilance Foundation; $6,500 to Hangry Donkey Sanctuary; and $6,000 to Music in the Mountains. The filing lists each of these grants for operations.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Jacalyn Bauer as president, Susan Bowers as treasurer, and Charlotte Walston as vice president.
Marguerite Sours Foundation is led by Charlotte Walston, V President since 2025 (on filings since 2020); none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Charlotte Walston
V President
Vice President → V President, 2025
On filings since 2020
1 hr/week
No compensation reported
Jacalyn Bauer
President
On filings since 2020
1 hr/week
No compensation reported
Susan Bowers
Treasurer
Director → Treasurer, 2025
On filings since 2023
1 hr/week
No compensation reported
Former officers (1)
- Former: Ruth Walston (2020–2022) — Director
Data from IRS Form 990 filings, 2020–2025. "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 Marguerite Sours Foundation
How much does Marguerite Sours Foundation give each year?
Marguerite Sours Foundation gave $115K across 30 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $105K across 29 grants.
What is Marguerite Sours Foundation's typical grant size?
Marguerite Sours Foundation's median grant in 2025 was $3,000, and its average grant was $3,840, across 30 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Marguerite Sours Foundation that year got $5K on average.
Where does Marguerite Sours Foundation give grants?
Marguerite Sours Foundation's top state is Texas, with 48% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Arizona (16%) and Colorado (10%). The most frequent recipient cities were San Antonio, TX (3 grants), Durango, CO (3 grants), Rockport, TX (3 grants) and Corpus Christi, TX (2 grants).
Does Marguerite Sours Foundation give general operating support?
Not in 2025: none of the 30 grants with a stated purpose on Marguerite Sours Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Operations" (30 grants).
Who are Marguerite Sours Foundation's largest grantees?
Marguerite Sours Foundation's largest 2025 grantees include Mercy Health Foundation ($10,000), Mission Haus Foundation ($10,000) and Rampart Vigilance Foundation ($10,000), according to its 2025 IRS Form 990-PF. Together they received 26% of its itemized 2025 grant dollars.
How large is Marguerite Sours Foundation?
Marguerite Sours Foundation reported $2.8M in total assets on its 2025 IRS Form 990-PF. It paid out $122K in qualifying distributions that year, against a required minimum of $133K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does Marguerite Sours Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants included support for organizations with varied missions. See mission & focus areas ↑
How do I apply for a grant from Marguerite Sours 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 Marguerite Sours Foundation's EIN?
Marguerite Sours Foundation's EIN (Employer Identification Number) is 74-2425445. IRS Form 990 filing data is available on this page for 2020–2025.
Does Marguerite Sours 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
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS November 14, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 13, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 15, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 11, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS November 17, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS June 4, 2026)
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Cite this profile
Grantable. (2026). Marguerite Sours Foundation funder profile. GrantGraph. Retrieved October 13, 2026, from https://grantable.co/funders/marguerite-sours-foundation-morg_6ae64e694f614caabb15a1df0538bd30
BibTeX
@misc{grantable_742425445_2026,
author = {{Grantable}},
title = {{Marguerite Sours Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/marguerite-sours-foundation-morg_6ae64e694f614caabb15a1df0538bd30},
note = {Accessed 2026-10-13. 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 Marguerite Sours 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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