Funding search · EIN 270260235
William and Mary Singer Family Foundatio
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 56
- grants reported
- $807,185
- total given
- 2022–2025
- filing years
- $5,000
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
Full IRS filings ↗How this is builtReport an error
Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- Md Anderson4 grants · $175,000
- University of Arizona Foundation4 grants · $115,000
- St Jude4 grants · $102,000
- Asu3 grants · $90,000
- Abbie School3 grants · $68,000
- US Holocaust Memorial Museum3 grants · $41,000
- Adl Anti-Defamation League2 grants · $27,000
- Asu Foundation1 grant · $25,000
- Red Crossukraine2 grants · $25,000
- Titans of Mississauga4 grants · $23,000
Giving over time
Grant history
All 56 reported grants, largest first.
- $100,000
Md Anderson · Houston, TX · 2024
General operations
- $55,000
Asu · Tempe, AZ · 2023
General operations
- $55,000
University of Arizona Foundation · Tucson, AZ · 2023
General operations
- $50,000
St Jude · Memphis, TN · 2024
General operations
- $40,000
Abbie School · Tucson, AZ · 2024
General operations
- $30,000
Asu · Tempe, AZ · 2024
General operations
- $30,000
University of Arizona Foundation · Tucson, AZ · 2024
General operations
- $25,000
Asu Foundation · Tempe, AZ · 2025
General operations
- $25,000
Md Anderson · Houston, TX · 2025
General operations
- $25,000
St Jude · Memphis, TN · 2025
General operations
- $25,000
University of Arizona Foundation · Tucson, AZ · 2025
General operations
- $25,000
Abbie School · Tucson, AZ · 2023
General operations
- $25,000
Adl Anti-Defamation League · Phoenix, AZ · 2023
General operations
- $25,000
Md Anderson · Houston, TX · 2023
General operations
- $25,000
St Jude · Memphis, TN · 2023
General operations
- $25,000
Md Anderson · Hudson, TX · 2022
General operations
- $20,000
US Holocaust Memorial Museum · Washington, DC · 2024
General operations
- $20,000
Red Crossukraine · Washington Dc, DC · 2023
General operations
- $20,000
US Holocaust Memorial Museum · Washington, DC · 2023
General operations
- $15,000
Mathieu MacDonald Outdoor Hoops Basketball · 2025
General operations
- $10,000
Titans of Mississauga · 2025
General operations
- $10,000
Emerge Center Against Domestic Abuse · Tucson, AZ · 2023
General operations
- $10,000
Planned Parenthood · Washington, DC · 2023
General operations
- $10,000
Salvation Army · Prescott, AZ · 2023
General operations
- $6,000
Salvation Army · Tucson, AZ · 2022
General operations
- $5,000
Mathieu MacDonald Outdoor Hoops Basketball · 2024
General operations
- $5,000
Titans of Mississauga · 2024
General operations
- $5,000
Trot · Tucson, AZ · 2024
General operations
- $5,000
Therapeutic Riding of Tucson (Trot) · Tucson, AZ · 2023
General operations
- $5,000
Titans of Mississauga · 2023
General operations
- $5,000
Alzheimer'S Association · Chicago, IL · 2022
General operations
- $5,000
American Heart Association · Phoenix, AZ · 2022
General operations
- $5,000
Appleby College · 2022
General operations
- $5,000
Asu · Tempe, AZ · 2022
General operations
- $5,000
Jewish Family & Child Services · 2022
General operations
- $5,000
Red Crossukraine · Phoenix, AZ · 2022
General operations
- $5,000
Save Our Birds · North Brook, IL · 2022
General operations
- $5,000
University of Arizona Foundation · Tucson, AZ · 2022
General operations
- $4,319
William & Mary Singer Family Canadian Foundation · 2023
General operations
- $3,863
Jazz Fm911 · 2022
General operations
- $3,000
Abbie School · Tucson, AZ · 2022
General operations
- $3,000
Titans of Mississauga · 2022
General operations
- $2,500
Rincon Optimist Foundation · St Louis, MO · 2024
General operations
- $2,500
Tucson Wildlife Center · Tucson, AZ · 2023
General operations
- $2,003
Baycrest Foundation · 2022
General funding
- $2,000
Optimist Int Foundation · St Luis, MO · 2023
General operations
- $2,000
Adl Anti-Defamation League · New York, NY · 2022
General operations
- $2,000
Planned Parenthood · Washington, DC · 2022
General operations
- $2,000
St Jude · Memphis, TN · 2022
General operations
- $1,000
Az Public Media · Tucson, AZ · 2022
General operations
- $1,000
Community Food Bank of Southern Arizona · Tucson, AZ · 2022
General operations
- $1,000
Emerge Center Against Domestic Abuse · Tucson, AZ · 2022
General operations
- $1,000
Optimist Int Foundation · St Luis, MO · 2022
General operations
- $1,000
Therapeutic Riding of Tucson (Trot) · Tucson, AZ · 2022
General operations
- $1,000
Tucson Wildlife Center · Tucson, AZ · 2022
General operations
- $1,000
US Holocaust Memorial Museum · Washington, DC · 2022
General operations
Who else funds this kind of work
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Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.

