William and Mary Ross Foundation

Foundation · Grantmaker TUCSON, AZ EIN: 86-0891827

The William and Mary Ross Foundation is a private foundation established in 1997 and based in Tucson, Arizona. The foundation operates as a 501(c)(3) grantmaking organization focused on supporting charitable causes through program support and direct grants to nonprofits.

Key facts about William and Mary Ross Foundation

EIN: 86-0891827
Latest 990 filing: Form 990-PF, 2024
Annual giving (2024): $775,220
Grants made (2024): 15
Average grant: $51,681
Median grant: $25,000
New grantees (estimate): 33% first-time grantees (5 of 15, 2024)
Total assets: $11,138,830
Primary geography: Arizona (83% of itemized 2024 grant dollars)
How to apply: Applications are not accepted. Full details ↓

Data from IRS Form 990-PF, 2024; updated June 2026. New grantees are estimated by matching recipient names across years (methodology). 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

By grant dollars, the top recipient states for William and Mary Ross Foundation's 15 itemized 2024 grants were Arizona (83%) and California (14%). The most frequent recipient cities were Tucson, AZ (11 grants). None of its 15 grants with a stated purpose were described as general or operating support. Recurring purposes include "Program Support" (15 grants).

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. 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 IRS Form 990-PF grant lists (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$11.1M

+1.3% YoY

Annual Giving

$775K

-1.8% YoY

Grant Count

-25.0% YoY

Avg Grant Size

$52K

+30.9% YoY

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 April 2026.

Mission & Focus Areas

The foundation's primary funding interests include:

Education
Philanthropy, Voluntarism & Grantmaking
Human Services
Health and medical support
Community health
Arts and culture
Housing and shelter development
Youth services

The foundation supports a range of charitable causes including cancer research, Christian agencies and churches, crime and law enforcement initiatives, food banks, higher education, hospitals, and secondary education.

Grantmaking

How to Apply

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Geographic Focus

Where this funder awards grants

The foundation primarily funds organizations in Arizona, with some giving extending to California and South Carolina.

Grant Distribution by State

Arizona $640K (83%)

California $105K (14%)

South Carolina $30K (4%)

Share of all 15 itemized 2024 grant dollars.

States

Arizona California District of Columbia Florida Illinois Indiana Kentucky New York Ohio South Carolina Wisconsin

Cities

TucsonScottsdalePhoenixChicagoCoronadoOro ValleyIndianapolisWashingtonCincinnatiErlangeImperial BeachLa MesaLaveen VillageMaricopaMilwaukeeNew YorkNorth CharlestonOrindaOrlando

Financial History

Multi-year comparison from IRS filings

As of 2024:

Total Assets: $11,138,830
Total Giving: $775,220
Total Revenue: $1,419,470
Total Expenses: $1,286,075
Number of Employees: 1

Revenue

Expenses

Qualifying Distributions

Net Investment Income

Metric	2024	2023	2022
Total Assets	$11,138,830	$10,998,303	$11,205,155
Revenue	$1,419,470	$1,056,889	$252,422
Expenses	$1,286,075	$1,259,221	$1,262,277
Qualifying Distributions	$877,273	$892,895	$872,738
Net Investment Income	$1,013,329	$690,563	—
Distributable Amount	$675,498	$611,561	$650,586

Data update history

When this profile's IRS filing data changed on Grantable

March 3, 2026 IRS filings on file for fiscal years 2020–2024

Giving Over Time

Total grant dollars and number of grants per year

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Grant Size Distribution

119 grants across all recorded years

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest recipients include Calvary Chapel Christian Schools ($250,000), St John Xxii Catholic School Community ($116,000), Magnolia Project ($80,000).

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

Leadership & Key People

Leadership team and compensation from IRS filings

Jane Garigan serves as President, Vice President, Treasurer, and Secretary of the foundation.

Compensation Overview

From 2024 IRS filing

Name	Title	Hours	Compensation
Jane Garigan	President/VP/Treas/Sec	40	$132,000
Jim Click Jr	Board Member	5	—

Contact Information

Address: 4729 E Sunrise Dr PMB 501, Tucson, AZ 85718-4534

Phone: 520-529-4850

Subject Areas

Focus areas based on grantmaking activity

Philanthropy, Voluntarism & Grantmaking

Frequently Asked Questions

What does William and Mary Ross Foundation fund?

The foundation's primary funding interests include: • Education • Philanthropy, Voluntarism & Grantmaking • Human Services • Health and medical support • Community health • Arts and culture • Housing and shelter development • Youth services The foundation supports a range of charitable causes including cancer research, Christian agencies and churches, crime and law enforcement initiatives, food banks, higher education, hospitals, and secondary education.

How do I apply for a grant from William and Mary Ross Foundation?

Applications are not accepted. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

Where does William and Mary Ross Foundation make grants?

The foundation primarily funds organizations in Arizona, with some giving extending to California and South Carolina.

What size grants does William and Mary Ross Foundation award?

In 2024, William and Mary Ross Foundation awarded 15 grants totaling $775K — an average of about $52K per grant, based on its IRS Form 990 filings.

How much is William and Mary Ross Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, William and Mary Ross Foundation reported a distributable amount of $675K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

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.