William and Mary Ross Foundation

Private foundation · Grantmaker Tucson, AZ EIN: 86-0891827

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

Calvary Chapel Christian Schools: $250KCalvary Chapel ChristianSchools$250KSt John Xxii Catholic School Community: $116KSt John Xxii Catholic SchoolCommunity$116KMagnolia Project: $80KMagnolia Project$80KUniversity of Arizona Foundation: $80KUniversity of ArizonaFoundation$80KAssistance League of Tucson: $35KAssistance League of Tucson$35KTucson Festival of Books: $35KTucson Festival of Books$35KSt John South Catholic: $30KSt John South Catholic$30KCoronado Hospital Foundation: $25KCoronado Hospital Foundation$25KHumane Society of Southern Arizona: $25KHumane Society of SouthernArizona$25KSalpointe Catholic Education Foundation: $25KSalpointe Catholic EducationFoundation$25K

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

93<$50K16$50–100K8$100–250K2$250–500K$500K–1M$1–5M$5M+

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

11states

Share of 2024 grant dollars across all 15 itemized grants.

Cities

TucsonScottsdalePhoenixChicagoCoronadoOro ValleyIndianapolisWashingtonCincinnatiErlangeImperial BeachLa MesaLaveen VillageMaricopaMilwaukeeNew YorkNorth CharlestonOrindaOrlando

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

$0$500K$1M$1.5M21 grants2020 37 grants2021 26 grants2022 20 grants2023 15 grants2024

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

RecipientPurposeAmount
Calvary Chapel Christian Schools Tucson, AZProgram Support$250,000
St John Xxii Catholic School Community Scottsdale, AZProgram Support$116,000
Magnolia Project Imperial Beach, CAProgram Support$80,000
University of Arizona Foundation Tucson, AZProgram Support$80,000
Assistance League of Tucson Tucson, AZProgram Support$35,420
Tucson Festival of Books Tucson, AZProgram Support$35,000
St John South Catholic North Charleston, SCProgram Support$30,000
Coronado Hospital Foundation Coronado, CAProgram Support$25,000
Humane Society of Southern Arizona Tucson, AZProgram Support$25,000
Salpointe Catholic Education Foundation Tucson, AZProgram Support$25,000
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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$11,138,830$1,419,470$1,286,075$775,22015$877,273$1,013,329$675,498
2023$10,998,303$1,056,889$1,259,221$789,53620$892,895$690,563$611,561
2022$11,205,155$252,422$1,262,277$777,72726$872,738—$650,586
2021$12,203,724$1,782,328$1,853,058$1,359,60037$1,439,277$1,366,469$742,933
2020$12,314,036$-541,782$1,224,038$756,99521——$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

Jane Garigan — President/VP/Treas/Sec: $132KJane GariganPresident/VP/Treas/Sec$132K

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

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

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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.

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