William and Mary Ross Foundation
The William and Mary Ross Foundation is a private foundation based in Tucson, Arizona. In 2024, it reported 15 grants totaling $775,220, with listed recipients including schools, charitable organizations, and foundations.
William and Mary Ross Foundation at a glance
In short: William and Mary Ross Foundation gave $775K across 15 grants in 2024 (avg $52K), mostly in Arizona. 33% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $775,220
- -1.8% vs 2023
- Grants made (2024)
- 15
- -25.0% vs 2023
- Average grant
- $51,681
- +30.9% vs 2023
- Median grant
- $25,000
- Total assets
- $11,138,830
- +1.3% vs 2023
- New grantees (estimate)
- 33% first-time grantees (5 of 15, 2024; small sample)
- Primary geography
- Arizona (83% 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 William and Mary Ross Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations.
- Contact
Mailing address: 4729 E Sunrise Dr Pmb 501, Tucson, AZ 85718-4535
Phone: (520) 529-4850
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who William and Mary Ross Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Calvary Chapel Christian Schools ($250K). Together the top 10 received $701K.
Grant Size Distribution
119 grants across all recorded years
The most common grant size was under $50K: 93 grants of 119 (78%).
Geographic Focus
Where this funder awards grants
In 2024, grant dollars were reported as distributed among recipients in Arizona (83%), California (14%), and South Carolina (4%).
Grant Distribution by State
Share of 2024 grant dollars across all 15 itemized grants.
States
Cities
Is William and Mary Ross Foundation open to new grantees?
33%
first-time grantees, 2024
In 2024, 5 of 15 grantees (33%) were first-time recipients. With only 15 grantees, that is a small sample: one grantee more or less moves the share by about 7 points. First grants averaged $35K; repeat grants $60K. How we count
Medians: $30K first-time, $25K repeat.
- 40% of 2024 grantees were also funded in 2023. Method
- Giving fell 43% from 2021 to 2024. Method
- In 2024 it paid out 130% 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
From 2020 to 2024, annual grant giving ranged from $757K (2020) to $1.4M (2021). In 2024 it made 15 grants totaling $775K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Calvary Chapel Christian Schools Tucson, AZ | Program Support | $250,000 |
| St John Xxii Catholic School Community Scottsdale, AZ | Program Support | $116,000 |
| Magnolia Project Imperial Beach, CA | Program Support | $80,000 |
| University of Arizona Foundation Tucson, AZ | Program Support | $80,000 |
| Assistance League of Tucson Tucson, AZ | Program Support | $35,420 |
| Tucson Festival of Books Tucson, AZ | Program Support | $35,000 |
| St John South Catholic North Charleston, SC | Program Support | $30,000 |
| Coronado Hospital Foundation Coronado, CA | Program Support | $25,000 |
| Humane Society of Southern Arizona Tucson, AZ | Program Support | $25,000 |
| Salpointe Catholic Education Foundation Tucson, AZ | Program Support | $25,000 |
Ready to take the next step with William and Mary Ross 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 | $11,138,830 | $1,419,470 | $1,286,075 | $775,220 | 15 | $877,273 | $1,013,329 | $675,498 |
| 2023 | $10,998,303 | $1,056,889 | $1,259,221 | $789,536 | 20 | $892,895 | $690,563 | $611,561 |
| 2022 | $11,205,155 | $252,422 | $1,262,277 | $777,727 | 26 | $872,738 | — | $650,586 |
| 2021 | $12,203,724 | $1,782,328 | $1,853,058 | $1,359,600 | 37 | $1,439,277 | $1,366,469 | $742,933 |
| 2020 | $12,314,036 | $-541,782 | $1,224,038 | $756,995 | 21 | — | — | $657,479 |
Under IRS private-foundation payout rules, William and Mary Ross Foundation reported a distributable amount of $675K 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 mission statement for the foundation is provided. Its 2024 grants went to organizations working in areas including education, community service, literature, youth and special-needs athletics, animal welfare, and health.
Grantees describe their own work in varied terms. The University of Arizona Foundation says it supports and enhances the university’s mission through the development and management of private support. The Tucson Festival of Books describes itself as a free, family-friendly celebration of literature that engages the community. The Tucson Conquistadores Foundation says it provides funds and leadership to organizations supporting youth and special-needs athletes in Southern Arizona. The Humane Society of Southern Arizona says it compassionately serves pets and the people who love them.
Grantmaking
In 2024, the foundation made 15 grants totaling $775,220. Grant amounts ranged from $3,800 to $250,000, with a median of $25,000. Among the largest grants were $250,000 to Calvary Chapel Christian Schools, $116,000 to St John XXII Catholic School Community, $80,000 each to Magnolia Project and University of Arizona Foundation, and $35,420 to Assistance League of Tucson. The listed grants were for program support.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Jane Garigan as President, Vice President, Treasurer, and Secretary, and Jim Click Jr as a board member.
William and Mary Ross Foundation is led by Jane Garigan, President, Vice President, Treasurer & Secretary on every filing since 2020; 1 of 2 officers listed in 2024 is compensated.
Officers on the 2024 filing
Jane Garigan
President, Vice President, Treasurer & Secretary
On filings since 2020
40 hrs/week
$127K (2020) → $132K (2024)
Jim Click Jr.
Board Member
On filings since 2020
5 hrs/week
No compensation reported
Former officers (1)
- Former: Kaitlin Gretkierewicz (2020–2022) — Board Member
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.
Compensation Overview
From 2024 IRS filing
The highest reported compensation on the 2024 filing was $132K, to Jane Garigan (President/VP/Treas/Sec).
Frequently asked questions about William and Mary Ross Foundation
How much does William and Mary Ross Foundation give each year?
William and Mary Ross Foundation gave $775K across 15 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $790K across 20 grants.
What is William and Mary Ross Foundation's typical grant size?
William and Mary Ross Foundation's median grant in 2024 was $25,000, and its average grant was $51,681, across 15 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from William and Mary Ross Foundation that year got $35K on average.
Where does William and Mary Ross Foundation give grants?
William and Mary Ross Foundation gives mostly in Arizona: 83% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was California (14%). The most frequent recipient cities were Tucson, AZ (11 grants).
Does William and Mary Ross Foundation give general operating support?
Not in 2024: none of the 15 grants with a stated purpose on William and Mary Ross Foundation's 2024 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Program Support" (15 grants).
Who are William and Mary Ross Foundation's largest grantees?
William and Mary Ross Foundation's largest 2024 grantees include Calvary Chapel Christian Schools ($250,000), St John Xxii Catholic School Community ($116,000) and Magnolia Project ($80,000), according to its 2024 IRS Form 990-PF. Together they received 58% of its itemized 2024 grant dollars.
How large is William and Mary Ross Foundation?
William and Mary Ross Foundation reported $11.1M in total assets on its 2024 IRS Form 990-PF. It paid out $877K in qualifying distributions that year, against a required minimum of $675K (roughly 5% of its investment assets).
What does William and Mary Ross Foundation fund?
No mission statement for the foundation is provided. Its 2024 grants went to organizations working in areas including education, community service, literature, youth and special-needs athletics, animal welfare, and health. See mission & focus areas ↑
How do I apply for a grant from William and Mary Ross Foundation?
The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is William and Mary Ross Foundation's EIN?
William and Mary Ross Foundation's EIN (Employer Identification Number) is 86-0891827. IRS Form 990 filing data is available on this page for 2020–2024.
Does William and Mary Ross 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 2020–2024
Explore Open Grants
Browse active grant opportunities in William and Mary Ross Foundation's focus areas in our free grants database
Similar Funders
Funders that support many of the same organizations
Community Foundation for Southern Arizona
Tucson, AZ
The Community Foundation for Southern Arizona funds nonprofits through competitive grants and donor-advised funds, supporting general operations, grassroots groups, scholarships, and community initiatives. Its 2025 grants ranged from $5,300 to $1,062,929, with a median of $20,000, and it primarily serves a seven-county Southern Arizona region. It accepts applications for competitive grant opportunities, including CORE Grants; donor-advised grants are recommended by donors.
Assets
$219.5M
Grants
346
Total Given
$11.8M
The HS Lopez Family Foundation
Tucson, AZ
The H.S. Lopez Family Foundation funds nonprofit projects in education, health, and welfare that improve quality of life, primarily in Southern Arizona or areas where a board member lives. In 2025, grants ranged from $1,000 to $150,000, with a median of $10,000. It accepts online applications from eligible 501(c)(3) organizations; the profile does not state whether unsolicited requests are accepted.
Assets
$22.4M
Grants
86
Total Given
$1.8M
Aetna Foundation Inc
Hartford, CT
Aetna Foundation supported health and wellness, access to health care, and related community needs; its 2021 grants ranged from $5,000 to $1 million, with a median of $40,000, and went to organizations across multiple states, especially in D.C. and Connecticut. Its 2021 filing was marked final, so it appears to have ended or be winding down grantmaking; that filing said there were no restrictions on who could apply and pointed applicants to its website for application materials.
Assets
—
Grants
65
Total Given
$7.2M
Arizona Community Foundation
Phoenix, AZ
Arizona Community Foundation funds nonprofits, schools, tribal entities, government agencies, and most religious organizations in areas including arts and culture, community development, the environment, health, and education. Its 2025 grants had a median of $17,760; most funding goes to Arizona, though it also awards grants nationally. Competitive grants require an online application during an open cycle; the profile does not state whether unsolicited requests are accepted.
Assets
$1.2B
Grants
1,174
Total Given
$92.9M
United Way of Tucson and Southern Arizona Inc
Tucson, AZ
United Way of Tucson and Southern Arizona funds nonprofits serving Pima County residents in education, financial wellness, healthy living, housing stability, and homelessness prevention. Its 2025 grants ranged from $5,000 to $1,235,856, with a median of $17,282. It solicited proposals through its FY 2025–2026 Community Impact RFP, but that application closed August 13, 2025.
Assets
$22.1M
Grants
78
Total Given
$6.8M
Ginny L Clements Charitable Trust
Tucson, AZ
Assets
$1.9M
Grants
42
Total Given
$993K
More similar funders
More Funders in Arizona
Cite this profile
Grantable. (2026). William and Mary Ross Foundation funder profile. GrantGraph. Retrieved October 15, 2026, from https://grantable.co/funders/william-and-mary-ross-foundation-morg_a4be7c62401643acad4eda993e20e2c0
BibTeX
@misc{grantable_860891827_2026,
author = {{Grantable}},
title = {{William and Mary Ross Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/william-and-mary-ross-foundation-morg_a4be7c62401643acad4eda993e20e2c0},
note = {Accessed 2026-10-15. 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 William and Mary Ross 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.
William and Mary Ross Foundation down — hundreds of funders to go?