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Data / Foundation grants / William and Mary Ross Foundation

William and Mary Ross Foundation: 15 grants to organizations, $775,220 (tax year ended December 2024)

William and Mary Ross Foundation, a private foundation in Tucson, AZ, paid 15 grants to organizations totaling $775,220 in its tax year ended December 2024, according to its Form 990-PF filed with the IRS on August 22, 2025. The largest was $250,000 to Calvary Chapel Christian Schools in Tucson, AZ for program support.

SpecStream is the live web data engine for teams and agents. It reads every private foundation's Form 990-PF as the IRS publishes it, and this page is that reading. Ask for the foundations that fund your cause in your state, with the amounts and purposes, and new grants arrive in your sheet, CRM, Slack or agent as the returns are filed.

EIN
860891827
Based in
Tucson, AZ
Assets
$14,190,111
Grants paid
$775,220
Tax year ended
December 2024

Grants paid, tax year ended December 2024

From the Form 990-PF filed August 22, 2025, IRS object ID 202502349349100325. It reported $775,220 in grants paid; 15 grants to organizations are listed.

RecipientLocationPurposeCauseAmountSource
Calvary Chapel Christian SchoolsTucson, AZProgram support$250,000apps.irs.gov
St John XXII Catholic School CommunityScottsdale, AZProgram support$116,000apps.irs.gov
Magnolia ProjectImperial Beach, CAProgram support$80,000apps.irs.gov
University of Arizona FoundationTucson, AZProgram supportEducation$80,000apps.irs.gov
Assistance League of TucsonTucson, AZProgram support$35,420apps.irs.gov
Tucson Festival of BooksTucson, AZProgram supportArts, culture and humanities$35,000apps.irs.gov
St John South CatholicNorth Charleston, SCProgram support$30,000apps.irs.gov
Coronado Hospital FoundationCoronado, CAProgram support$25,000apps.irs.gov
Humane Society of Southern ArizonaTucson, AZProgram supportAnimal-related$25,000apps.irs.gov
Salpointe Catholic Education FoundationTucson, AZProgram support$25,000apps.irs.gov
TMC FoundationTucson, AZProgram support$25,000apps.irs.gov
Tucson Conquistadores FoundationTucson, AZProgram supportReligion-related$25,000apps.irs.gov
Salvation ArmyTucson, AZProgram support$15,000apps.irs.gov
St Augustine Catholic High SchoolTucson, AZProgram support$5,000apps.irs.gov
St Thomas the ApostleTucson, AZProgram support$3,800apps.irs.gov

Causes funded

From grants whose recipient has a cause.

States funded

Recipient stateGranted
Arizona$640,220
California$105,000
South Carolina$30,000

Also on SpecStream

Updated August 22, 2025. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.