funder-graph

FundersAZ

Grants paid by William and Mary Ross Foundation

EIN 86-0891827 · Tucson, AZ · Form 990-PF, Part XV · NTEE T90Z

William and Mary Ross Foundation of Tucson, AZ (EIN 86-0891827) reported 119 grants paid totaling $4,459,078 to 73 recipients in tax years 2020–2024, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.

Grants paid

$4,459,078

119 grants

Recipients

73

distinct organizations

Tax years

2020–2024

5 filings in the corpus

By tax year

Grants by tax year, as the same figures
Tax yearGrants paidAmount paidApproved for future
202021$756,995
202137$1,359,600
202226$777,727
202320$789,536
202415$775,220

Top recipients

The 73 recipients receiving the most from William and Mary Ross Foundation, by grants paid, out of 73 distinct recipients.

Recipients ranked by total grants paid
RecipientMatchLocationGrantsTotal paidLatest year
Calvary Chapel Christian SchoolsUTucson, AZ5$896,9952024
University of Arizona Foundation 86-6050388BTucson, AZ5$495,0002024
St John Xxii Catholic School CommunityUScottsdale, AZ5$427,2272024
Cristo Rey Network 04-3730980CChicago, IL3$137,0002022
Boys & Girls ClubUTucson, AZ3$130,0002022
Salpointe Catholic High School Education FoundationUTucson, AZ3$127,0002022
Gospel Rescue Mission 86-6054088CTucson, AZ3$125,0002022
Catholic Community Services of Southern Arizona 86-0100880BTucson, AZ1$120,0002020
Community Food Bank of Southern ArizonaUTucson, AZ2$105,0002021
Tucson Festival of Books 26-2145432CTucson, AZ2$100,0002024
Tucson Values Teachers 26-4637708CTucson, AZ1$100,0002021
Reid Park Zoological Society 94-2379052BTucson, AZ2$95,0002023
Magnolia Project 33-1294059DImperial Beach, CA1$80,0002024
Tmc FoundationUTucson, AZ4$80,0002024
Coronado Hospital Foundation 95-3273985CCoronado, CA3$75,0002024
Sister Jose Women's Center 46-1290517BTucson, AZ2$65,0002022
Children's Museum Oro Valley 86-0934323DOro Valley, AZ3$65,0002023
Tucson Conquistadores FoundationUTucson, AZ2$55,0002024
Midwest Food Bank ArizonaUTucson, AZ2$50,0002023
Teen Challenge of Arizona 86-0255257BTucson, AZ1$50,0002021
Emerge Center Against Domestic AbuseUTucson, AZ2$50,0002023
The Catholic University of AmericaUWashington, DC1$50,0002021
Holtz Charitable Foundation Inc 35-2042978BOrlando, FL1$50,0002020
Humane Society of Southern Arizona 86-0112798BTucson, AZ2$45,0002024
Desert Meadows PTA 90-0344500BLaveen Village, AZ1$44,5362023
Assistance League of TucsonUTucson, AZ1$35,4202024
Toys for TotsUTucson, AZ2$35,0002022
Sacred Heart ChurchUTucson, AZ1$35,0002022
Act One 45-3560706CPhoenix, AZ2$35,0002023
Ronald Mcdonald House Charities of Southern Arizona 95-3526934BTucson, AZ3$30,9002023
St Luke's HomeUTucson, AZ2$30,0002021
St John South CatholicUNorth Charleston, SC1$30,0002024
La Casa de Cristo Lutheran Church 86-0326047BScottsdale, AZ2$30,0002021
Pima Air & Space MuseumUTucson, AZ1$30,0002021
Rotary Club of Tucson Foundation 51-0172798BTucson, AZ1$30,0002021
University of Arizona Adaptive AthleticsUTucson, AZ2$26,5002022
University of Arizona Cancer Center 86-1044903DTucson, AZ1$25,0002022
Impact of Southern Arizona 86-0968242BTucson, AZ1$25,0002023
Patronato San Xavier 74-2354509CTucson, AZ1$25,0002020
Camp Able 95-3465382DLa Mesa, CA1$25,0002023
Valley of the Sun IncUPhoenix, AZ1$25,0002022
Salpointe Catholic Education Foundation 74-2382300BTucson, AZ1$25,0002024
San Miguel High SchoolUTucson, AZ1$25,0002022
Salvation ArmyUTucson, AZ2$25,0002024
Youth On Their Own 86-0644388CTucson, AZ1$25,0002022
The Neurosurgical AtlasUIndianapolis, IN1$25,0002022
St Thomas the Apostle 36-4643961DTucson, AZ2$23,8002024
Tucson Village FarmsUTucson, AZ2$20,0002021
The Dynamic Catholic InstituteUErlange, KY1$20,0002023
Iron Squad Athletics 83-1393783BMaricopa, AZ1$15,2002021
National Football Foundation 35-1964889BIndianapolis, IN1$10,0002021
Mobile Meals of Southern Arizona 23-7157579CTucson, AZ1$10,0002021
Steven M Gooter Foundation 20-3798976CTucson, AZ1$10,0002021
Heart of the Nation 39-2026479DMilwaukee, WI1$10,0002023
Friends of the Orinda Library 94-6102921BOrinda, CA1$10,0002020
Ben's Bells 76-0779755BTucson, AZ1$10,0002021
Casa Maria 87-2956227BTucson, AZ1$10,0002023
The Dynamic Catholic Institute 26-4549213BCincinnati, OH1$10,0002021
Cystic Fibrosis FoundationUTucson, AZ1$10,0002021
University of Arizona Flandrau Science CenterUTucson, AZ1$10,0002021
Casa de Los Ninos 86-0314595CTucson, AZ1$10,0002021
Centurions 47-2131529BTucson, AZ2$8,5002023
No Kid HungryUWashington, DC1$5,0002023
Angel Charity 86-0472794DTucson, AZ1$5,0002021
Silver & Turquoise Board of Hostesses 86-0767221BTucson, AZ1$5,0002022
Unicef USA OrgUNew York, NY1$5,0002022
St Augustine Catholic High SchoolUTucson, AZ1$5,0002024
Hope Mental Health Foundation 45-4582317CTucson, AZ1$5,0002022
Therapeutic Ranch for Animals and Kids 20-4737638CTucson, AZ1$5,0002020
National Alliance On Mental IllnessUPhoenix, AZ1$5,0002021
The Centurions of Southern Arizona Charitable FoundationUTucson, AZ1$3,5002021
Jewish Federation of Southern Arizona 86-0096795BTucson, AZ1$1,5002020
First Tee of TucsonUTucson, AZ1$1,0002022

Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.

Every grant

All 119 grant rows this organization reported, most recent first.

Grants reported by William and Mary Ross Foundation
Tax yearRecipientMatchAmountTypePurposeSource filing
2024Calvary Chapel Christian Schools Tucson, AZU$250,000paidPROGRAM SUPPORT202502349349100325
2024St John Xxii Catholic School Community Scottsdale, AZU$116,000paidPROGRAM SUPPORT202502349349100325
2024University of Arizona Foundation Tucson, AZB$80,000paidPROGRAM SUPPORT202502349349100325
2024Magnolia Project Imperial Beach, CAD$80,000paidPROGRAM SUPPORT202502349349100325
2024Assistance League of Tucson Tucson, AZU$35,420paidPROGRAM SUPPORT202502349349100325
2024Tucson Festival of Books Tucson, AZC$35,000paidPROGRAM SUPPORT202502349349100325
2024St John South Catholic North Charleston, SCU$30,000paidPROGRAM SUPPORT202502349349100325
2024Tmc Foundation Tucson, AZU$25,000paidPROGRAM SUPPORT202502349349100325
2024Tucson Conquistadores Foundation Tucson, AZU$25,000paidPROGRAM SUPPORT202502349349100325
2024Humane Society of Southern Arizona Tucson, AZB$25,000paidPROGRAM SUPPORT202502349349100325
2024Coronado Hospital Foundation Coronado, CAC$25,000paidPROGRAM SUPPORT202502349349100325
2024Salpointe Catholic Education Foundation Tucson, AZB$25,000paidPROGRAM SUPPORT202502349349100325
2024Salvation Army Tucson, AZU$15,000paidPROGRAM SUPPORT202502349349100325
2024St Augustine Catholic High School Tucson, AZU$5,000paidPROGRAM SUPPORT202502349349100325
2024St Thomas the Apostle Tucson, AZD$3,800paidPROGRAM SUPPORT202502349349100325
2023Calvary Chapel Christian Schools Tucson, AZU$200,000paidPROGRAM SUPPORT202402369349100120
2023St John Xxii Catholic School Community Scottsdale, AZU$135,000paidPROGRAM SUPPORT202402369349100120
2023Reid Park Zoological Society Tucson, AZB$75,000paidPROGRAM SUPPORT202402369349100120
2023University of Arizona Foundation Tucson, AZB$50,000paidPROGRAM SUPPORT202402369349100120
2023Desert Meadows PTA Laveen Village, AZB$44,536paidPROGRAM SUPPORT202402369349100120
2023Tucson Conquistadores Foundation Tucson, AZU$30,000paidPROGRAM SUPPORT202402369349100120
2023Children's Museum Oro Valley Oro Valley, AZD$30,000paidPROGRAM SUPPORT202402369349100120
2023Coronado Hospital Foundation Coronado, CAC$25,000paidPROGRAM SUPPORT202402369349100120
2023Emerge Center Against Domestic Abuse Tucson, AZU$25,000paidPROGRAM SUPPORT202402369349100120
2023Impact of Southern Arizona Tucson, AZB$25,000paidPROGRAM SUPPORT202402369349100120
2023Camp Able La Mesa, CAD$25,000paidPROGRAM SUPPORT202402369349100120
2023Midwest Food Bank Arizona Tucson, AZU$25,000paidPORGRAM SUPPORT202402369349100120
2023Tmc Foundation Tucson, AZU$25,000paidPROGRAM SUPPORT202402369349100120
2023The Dynamic Catholic Institute Erlange, KYU$20,000paidPROGRAM SUPPORT202402369349100120
2023Ronald Mcdonald House Charities of Southern Arizona Tucson, AZB$15,000paidPROGRAM SUPPORT202402369349100120
2023Act One Phoenix, AZC$10,000paidPROGRAM SUPPORT202402369349100120
2023Casa Maria Tucson, AZB$10,000paidPROGRAM SUPPORT202402369349100120
2023Heart of the Nation Milwaukee, WID$10,000paidPROGRAM SUPPORT202402369349100120
2023No Kid Hungry Washington, DCU$5,000paidPROGRAM SUPPORT202402369349100120
2023Centurions Tucson, AZB$5,000paidPROGRAM SUPPORT202402369349100120
2022Calvary Chapel Christian Schools Tucson, AZU$175,000paidPROGRAM SUPPORT202342419349100724
2022Cristo Rey Network Chicago, ILC$82,000paidPROGRAM SUPPORT202342419349100724
2022Tucson Festival of Books Tucson, AZC$65,000paidPROGRAM SUPPORT202342419349100724
2022St John Xxii Catholic School Community Scottsdale, AZU$46,227paidPROGRAM SUPPORT202342419349100724
2022Sister Jose Women's Center Tucson, AZB$40,000paidPROGRAM SUPPORT202342419349100724
2022Sacred Heart Church Tucson, AZU$35,000paidPROGRAM SUPPORT202342419349100724
2022Gospel Rescue Mission Tucson, AZC$30,000paidPROGRAM SUPPORT202342419349100724
2022Boys & Girls Club Tucson, AZU$30,000paidPROGRAM SUPPORT202342419349100724
2022Coronado Hospital Foundation Coronado, CAC$25,000paidPROGRAM SUPPORT202342419349100724
2022Valley of the Sun Inc Phoenix, AZU$25,000paidPROGRAM SUPPORT202342419349100724
2022University of Arizona Adaptive Athletics Tucson, AZU$25,000paidPROGRAM SUPPORT202342419349100724
2022The Neurosurgical Atlas Indianapolis, INU$25,000paidPROGRAM SUPPORT202342419349100724
2022Midwest Food Bank Arizona Tucson, AZU$25,000paidPORGRAM SUPPORT202342419349100724
2022San Miguel High School Tucson, AZU$25,000paidPROGRAM SUPPORT202342419349100724
2022Youth On Their Own Tucson, AZC$25,000paidPROGRAM SUPPORT202342419349100724
2022University of Arizona Cancer Center Tucson, AZD$25,000paidPROGRAM SUPPORT202342419349100724
2022Toys for Tots Tucson, AZU$20,000paidPROGRAM SUPPORT202342419349100724
2022Salpointe Catholic High School Education Foundation Tucson, AZU$10,000paidPROGRAM SUPPORT202342419349100724
2022Tmc Foundation Tucson, AZU$10,000paidPROGRAM SUPPORT202342419349100724
2022Ronald Mcdonald House Charities of Southern Arizona Tucson, AZB$10,000paidPROGRAM SUPPORT202342419349100724
2022University of Arizona Foundation Tucson, AZB$5,000paidPROGRAM SUPPORT202342419349100724
2022Unicef USA Org New York, NYU$5,000paidPROGRAM SUPPORT202342419349100724
2022Hope Mental Health Foundation Tucson, AZC$5,000paidPROGRAM SUPPORT202342419349100724
2022Silver & Turquoise Board of Hostesses Tucson, AZB$5,000paidPROGRAM SUPPORT202342419349100724
2022Centurions Tucson, AZB$3,500paidPROGRAM SUPPORT202342419349100724
2022First Tee of Tucson Tucson, AZU$1,000paidPROGRAM SUPPORT202342419349100724
2021University of Arizona Foundation Tucson, AZB$300,000paidPROGRAM SUPPORT202222319349101007
2021Calvary Chapel Christian Schools Tucson, AZU$140,000paidPROGRAM SUPPORT202222319349101007
2021Tucson Values Teachers Tucson, AZC$100,000paidPROGRAM SUPPORT202222319349101007
2021Gospel Rescue Mission Tucson, AZC$75,000paidPROGRAM SUPPORT202222319349101007
2021Boys & Girls Club Tucson, AZU$75,000paidPROGRAM SUPPORT202222319349101007
2021Community Food Bank of Southern Arizona Tucson, AZU$75,000paidPROGRAM SUPPORT202222319349101007
2021Salpointe Catholic High School Education Foundation Tucson, AZU$50,000paidPROGRAM SUPPORT202222319349101007
2021The Catholic University of America Washington, DCU$50,000paidPROGRAM SUPPORT202222319349101007
2021Teen Challenge of Arizona Tucson, AZB$50,000paidPROGRAM SUPPORT202222319349101007
2021St John Xxii Catholic School Community Scottsdale, AZU$45,000paidPROGRAM SUPPORT202222319349101007
2021Pima Air & Space Museum Tucson, AZU$30,000paidPROGRAM SUPPORT202222319349101007
2021Cristo Rey Network Chicago, ILC$30,000paidPROGRAM SUPPORT202222319349101007
2021Rotary Club of Tucson Foundation Tucson, AZB$30,000paidPROGRAM SUPPORT202222319349101007
2021Emerge Center Against Domestic Abuse Tucson, AZU$25,000paidPROGRAM SUPPORT202222319349101007
2021Sister Jose Women's Center Tucson, AZB$25,000paidPROGRAM SUPPORT202222319349101007
2021Act One Phoenix, AZC$25,000paidPROGRAM SUPPORT202222319349101007
2021Reid Park Zoological Society Tucson, AZB$20,000paidPROGRAM SUPPORT202222319349101007
2021Tmc Foundation Tucson, AZU$20,000paidPROGRAM SUPPORT202222319349101007
2021Humane Society of Southern Arizona Tucson, AZB$20,000paidPROGRAM SUPPORT202222319349101007
2021Iron Squad Athletics Maricopa, AZB$15,200paidPROGRAM SUPPORT202222319349101007
2021Children's Museum Oro Valley Oro Valley, AZD$15,000paidPROGRAM SUPPORT202222319349101007
2021La Casa de Cristo Lutheran Church Scottsdale, AZB$15,000paidPROGRAM SUPPORT202222319349101007
2021Casa de Los Ninos Tucson, AZC$10,000paidPROGRAM SUPPORT202222319349101007
2021The Dynamic Catholic Institute Cincinnati, OHB$10,000paidPROGRAM SUPPORT202222319349101007
2021Tucson Village Farms Tucson, AZU$10,000paidPROGRAM SUPPORT202222319349101007
2021Cystic Fibrosis Foundation Tucson, AZU$10,000paidPROGRAM SUPPORT202222319349101007
2021Ben's Bells Tucson, AZB$10,000paidPROGRAM SUPPORT202222319349101007
2021Salvation Army Tucson, AZU$10,000paidPROGRAM SUPPORT202222319349101007
2021University of Arizona Flandrau Science Center Tucson, AZU$10,000paidPROGRAM SUPPORT202222319349101007
2021National Football Foundation Indianapolis, INB$10,000paidPROGRAM SUPPORT202222319349101007
2021Steven M Gooter Foundation Tucson, AZC$10,000paidPROGRAM SUPPORT202222319349101007
2021Mobile Meals of Southern Arizona Tucson, AZC$10,000paidPROGRAM SUPPORT202222319349101007
2021St Luke's Home Tucson, AZU$10,000paidCOVID-19 RELIEF202222319349101007
2021Ronald Mcdonald House Charities of Southern Arizona Tucson, AZB$5,900paidPROGRAM SUPPORT202222319349101007
2021National Alliance On Mental Illness Phoenix, AZU$5,000paidPROGRAM SUPPORT202222319349101007
2021Angel Charity Tucson, AZD$5,000paidPROGRAM SUPPORT202222319349101007
2021The Centurions of Southern Arizona Charitable Foundation Tucson, AZU$3,500paidPROGRAM SUPPORT202222319349101007
2020Calvary Chapel Christian Schools Tucson, AZU$131,995paidPROGRAM SUPPORT202113149349102391
2020Catholic Community Services of Southern Arizona Tucson, AZB$120,000paidPROGRAM SUPPORT202113149349102391
2020St John Xxii Catholic School Community Scottsdale, AZU$85,000paidPROGRAM SUPPORT202113149349102391
2020Salpointe Catholic High School Education Foundation Tucson, AZU$67,000paidPROGRAM SUPPORT202113149349102391
2020University of Arizona Foundation Tucson, AZB$60,000paidPROGRAM SUPPORT202113149349102391
2020Holtz Charitable Foundation Inc Orlando, FLB$50,000paidPROGRAM SUPPORT202113149349102391
2020Community Food Bank of Southern Arizona Tucson, AZU$30,000paidPROGRAM SUPPORT202113149349102391
2020Patronato San Xavier Tucson, AZC$25,000paidPROGRAM SUPPORT202113149349102391
2020Boys & Girls Club Tucson, AZU$25,000paidPROGRAM SUPPORT202113149349102391
2020Cristo Rey Network Chicago, ILC$25,000paidPROGRAM SUPPORT202113149349102391
2020St Luke's Home Tucson, AZU$20,000paidCOVID-19 RELIEF202113149349102391
2020St Thomas the Apostle Tucson, AZD$20,000paidPROGRAM SUPPORT202113149349102391
2020Children's Museum Oro Valley Oro Valley, AZD$20,000paidPROGRAM SUPPORT202113149349102391
2020Gospel Rescue Mission Tucson, AZC$20,000paidPROGRAM SUPPORT202113149349102391
2020La Casa de Cristo Lutheran Church Scottsdale, AZB$15,000paidPROGRAM SUPPORT202113149349102391
2020Toys for Tots Tucson, AZU$15,000paidPROGRAM SUPPORT202113149349102391
2020Friends of the Orinda Library Orinda, CAB$10,000paidPROGRAM SUPPORT202113149349102391
2020Tucson Village Farms Tucson, AZU$10,000paidPROGRAM SUPPORT202113149349102391
2020Therapeutic Ranch for Animals and Kids Tucson, AZC$5,000paidPROGRAM SUPPORT202113149349102391
2020University of Arizona Adaptive Athletics Tucson, AZU$1,500paidPROGRAM SUPPORT202113149349102391
2020Jewish Federation of Southern Arizona Tucson, AZB$1,500paidPROGRAM SUPPORT202113149349102391

Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.

Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.

Source filings

Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.

Returns this page is derived from
FormTax yearPeriod endFiledSchemaIRS OBJECT_ID
990PF20242024-12-31not stated2024v5.2202502349349100325
990PF20232023-12-31not stated2023v5.1202402369349100120
990PF20222022-12-31not stated2022v5.0202342419349100724
990PF20212021-12-31not stated2021v4.2202222319349101007
990PF20202020-12-31not stated2020v4.1202113149349102391

Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/860891827.json.

The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.

This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.