Stack Family Foundation
Stack Family Foundation is a private foundation, based in Chicago, IL. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $1.1M in total assets. In 2025, it awarded 8 grants totaling $100K. Net investment income was $104K.
Stack Family Foundation at a glance
In short: Stack Family Foundation gave $100K across 8 grants in 2025 (avg $13K), mostly in Illinois. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $100,000
- -1.0% vs 2024
- Grants made (2025)
- 8
- +33.3% vs 2024
- Average grant
- $12,500
- -25.7% vs 2024
- Median grant
- $10,000
- Total assets
- $1,144,287
- +2.9% vs 2024
- Primary geography
- Illinois (90% 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 Stack Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 8 recipients in 2025
The largest 2025 recipient was Gigi's Playhouse ($20K). Together the top 8 received $100K.
Grant Size Distribution
35 grants across all recorded years
The most common grant size was under $50K: 35 grants of 35 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 8 itemized grants.
Cities
How Stack Family Foundation gives
- Giving grew 29% from 2022 to 2025. Method
- In 2025 it paid out 205% 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 $78K (2022) to $112K (2020). In 2025 it made 8 grants totaling $100K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Gigi's Playhouse Chicago, IL | General Support | $20,000 |
| BUILD Inc Chicago, IL | General Support | $20,000 |
| Mercy Home for Boys & Girls Chicago, IL | General Support | $10,000 |
| Special Olympics Illinois Normal, IL | General Support | $10,000 |
| Little Sisters of the Poor Chicago, IL | General Support | $10,000 |
| Reins of Life Michigan City, IN | General Support | $10,000 |
| Catherine's Caring Cause Chicago, IL | General Support | $10,000 |
| Chicago Jesuit Academy Chicago, IL | General Support | $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 | $1,144,287 | $103,836 | $112,104 | $100,000 | 8 | $110,631 | $103,836 | $54,024 |
| 2024 | $1,111,637 | $86,592 | $106,455 | $101,000 | 6 | $105,880 | $86,592 | $51,903 |
| 2023 | $1,016,618 | $50,454 | $110,056 | $105,000 | 7 | $109,541 | $50,454 | $47,262 |
| 2022 | $973,396 | $48,070 | $85,399 | $77,600 | 6 | $84,184 | $48,070 | $49,690 |
| 2021 | $1,206,177 | $65,434 | $111,442 | $101,660 | 8 | $111,327 | $65,434 | $57,824 |
| 2020 | $1,103,260 | $19,657 | $121,778 | $112,000 | 13 | — | $41,383 | $51,132 |
Under IRS private-foundation payout rules, Stack Family Foundation reported a distributable amount of $54K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Stack Family Foundation is led by Mary Stanton Corrigan, President, Treasurer & Director since 2024 (on filings since 2020); none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Mary Stanton Corrigan
President, Treasurer & Director
Treasurer & Director → President, Treasurer & Director, 2024
On filings since 2020
4 hrs/week
No compensation reported
Edward J McGillen
Vice President, Secretary & Director
V.p., Secretary & Director → Vice President, Secretary & Director, 2024
On filings since 2020
0.5 hrs/week
No compensation reported
Kevin P Corrigan
Director
On filings since 2024
0.1 hrs/week
No compensation reported
Former officers (1)
- Former: James R Corrigan (2020–2023) — 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.
Frequently asked questions about Stack Family Foundation
How much does Stack Family Foundation give each year?
Stack Family Foundation gave $100K across 8 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $101K across 6 grants.
What is Stack Family Foundation's typical grant size?
Stack Family Foundation's median grant in 2025 was $10,000, and its average grant was $12,500, across 8 grants on its 2025 IRS Form 990-PF.
Where does Stack Family Foundation give grants?
Stack Family Foundation gives mostly in Illinois: 90% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Indiana (10%). The most frequent recipient cities were Chicago, IL (6 grants).
Does Stack Family Foundation give general operating support?
Yes: 100% of Stack Family Foundation's 2025 grants with a stated purpose (8 of 8) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Stack Family Foundation's largest grantees?
Stack Family Foundation's largest 2025 grantees include Gigi's Playhouse ($20,000), BUILD Inc ($20,000) and Mercy Home for Boys & Girls ($10,000), according to its 2025 IRS Form 990-PF. Together they received 50% of its itemized 2025 grant dollars.
How large is Stack Family Foundation?
Stack Family Foundation reported $1.1M in total assets on its 2025 IRS Form 990-PF. It paid out $111K in qualifying distributions that year, against a required minimum of $54K (roughly 5% of its investment assets).
What is Stack Family Foundation's EIN?
Stack Family Foundation's EIN (Employer Identification Number) is 36-4349733. 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
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS August 19, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 4, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS April 14, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 7, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS July 9, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS June 29, 2026)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in Stack Family Foundation's focus areas in our free grants database
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