William and Mary Singer
William and Mary Singer is a private foundation. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $2.4M in total assets. In 2025, it awarded 6 grants totaling $125K. Net investment income was $46K.
William and Mary Singer at a glance
In short: William and Mary Singer gave $125K across 6 grants in 2025 (avg $21K), top state Arizona. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $125,000
- -56.5% vs 2024
- Grants made (2025)
- 6
- -40.0% vs 2024
- Average grant
- $20,833
- -27.5% vs 2024
- Median grant
- $25,000
- Total assets
- $2,428,811
- -3.8% vs 2024
- Primary geography
- Arizona (40% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who William and Mary Singer funds
How this funder distributes its grants
Top Recipients
Top 6 recipients in 2025
The largest 2025 recipient was ASU Foundation ($25K). Together the top 6 received $125K.
Grant Size Distribution
90 grants across all recorded years
The most common grant size was under $50K: 86 grants of 90 (96%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 6 itemized grants.
States
Cities
How William and Mary Singer gives
- Giving grew 30% from 2022 to 2025. Method
- In 2025 it paid out 118% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $59K (2020) to $299K (2023). In 2025 it made 6 grants totaling $125K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| ASU Foundation Tempe, AZ | General Operations | $25,000 |
| MD Anderson Houston, TX | General Operations | $25,000 |
| St Jude Memphis, TN | General Operations | $25,000 |
| University of Arizona Foundation Tucson, AZ | General Operations | $25,000 |
| Mathieu Macdonald Outdoor Hoops Basketball | General Operations | $15,000 |
| Titans of Mississauga | General Operations | $10,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $2,428,811 | $61,820 | $157,150 | $125,000 | 6 | $139,517 | $45,975 | $118,537 |
| 2024 | $2,524,046 | $110,674 | $335,464 | $287,500 | 10 | $309,989 | $85,198 | $119,180 |
| 2023 | $2,749,545 | $74,195 | $347,172 | $298,819 | 16 | $315,718 | $62,186 | $129,714 |
| 2022 | $3,019,200 | $1,413,002 | $107,360 | $95,866 | 24 | $99,681 | $125,497 | $136,899 |
| 2021 | $1,709,600 | $713,214 | $84,175 | $77,228 | 34 | $78,936 | $706,702 | $75,541 |
| 2020 | $1,079,664 | $109,531 | $72,780 | $58,800 | 50 | — | $73,985 | $73,253 |
Under IRS private-foundation payout rules, William and Mary Singer reported a distributable amount of $119K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
William and Mary Singer's 2025 filing lists 2 officers; all 2 officers listed in 2025 are compensated.
Officers on the 2025 filing
Daniel J. Singer
Director
On filings since 2020
10 hrs/week
$13K (2023) → $13K (2025)
Brenda Singer
Officer
Director → Officer, 2021
On filings since 2020
10 hrs/week
$13K (2023) → $13K (2025)
Former officers (2)
- Former: Alice Mary Singer (2020) — Secretary & Treasurer
- Former: William H. Singer (2020) — President & Director
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $13K, to Daniel J Singer (Director). 2 officers or directors reported compensation on that filing.
Frequently asked questions about William and Mary Singer
How much does William and Mary Singer give each year?
William and Mary Singer gave $125K across 6 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $288K across 10 grants.
What is William and Mary Singer's typical grant size?
William and Mary Singer's median grant in 2025 was $25,000, and its average grant was $20,833, across 6 grants on its 2025 IRS Form 990-PF.
Where does William and Mary Singer give grants?
William and Mary Singer's top state is Arizona, with 40% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Texas (20%) and Tennessee (20%).
Does William and Mary Singer give general operating support?
Yes: 100% of William and Mary Singer's 2025 grants with a stated purpose (6 of 6) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are William and Mary Singer's largest grantees?
William and Mary Singer's largest 2025 grantees include ASU Foundation ($25,000), MD Anderson ($25,000) and St Jude ($25,000), according to its 2025 IRS Form 990-PF. Together they received 60% of its itemized 2025 grant dollars.
How large is William and Mary Singer?
William and Mary Singer reported $2.4M in total assets on its 2025 IRS Form 990-PF. It paid out $140K in qualifying distributions that year, against a required minimum of $119K (roughly 5% of its investment assets).
What is William and Mary Singer's EIN?
William and Mary Singer's EIN (Employer Identification Number) is 27-0260235. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 8, 2026)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work William and Mary Singer funds
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