John J and Ann E Mariotti Foundation
The John J and Ann E Mariotti Foundation is a private foundation based in Plainfield, Illinois. It gave $46,200 in grants to 14 organizations in filing year 2024.
John J and Ann E Mariotti Foundation at a glance
In short: John J and Ann E Mariotti Foundation gave $46K across 14 grants in 2024 (avg $3K), top state Illinois. 43% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $46,200
- +19.3% vs 2023
- Grants made (2024)
- 14
- +7.7% vs 2023
- Average grant
- $3,300
- +10.7% vs 2023
- Median grant
- $2,300
- Total assets
- $811,108
- -5.3% vs 2023
- New grantees (estimate)
- 43% first-time grantees (6 of 14, 2024; small sample)
- Primary geography
- Illinois (44% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to John J and Ann E Mariotti Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations.
- Contact
Mailing address: 21132 W Walnut Lane, Plainfield, IL 60544
Phone: (630) 443-1787
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who John J and Ann E Mariotti Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Maxville Christian Church ($16K). Together the top 10 received $42K.
Grant Size Distribution
56 grants across all recorded years
The most common grant size was under $50K: 56 grants of 56 (100%).
Geographic Focus
Where this funder awards grants
In 2024, grant dollars went to recipients in Illinois (44%), Indiana (43%), North Carolina (6%), Ohio (6%), and Georgia (1%).
Grant Distribution by State
Share of 2024 grant dollars across all 14 itemized grants.
Cities
Is John J and Ann E Mariotti Foundation open to new grantees?
43%
first-time grantees, 2024
In 2024, 6 of 14 grantees (43%) were first-time recipients. With only 14 grantees, that is a small sample: one grantee more or less moves the share by about 7 points. First grants averaged $2K; repeat grants $4K. How we count
Medians: $2K first-time, $3K repeat.
- 50% of 2024 grantees were also funded in 2023. Method
- Giving grew 26% from 2021 to 2024. Method
- In 2024 it paid out 113% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2024, annual grant giving ranged from $17K (2020) to $54K (2022). In 2024 it made 14 grants totaling $46K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Maxville Christian Church Winchester, IN | Unrestricted Contribution | $16,000 |
| Save Inc Carmel, IN | Unrestricted Contribution | $4,000 |
| Fox Valley Christian Action St Charles, IL | Unrestricted Contribution | $3,500 |
| Wayside Cross Ministries Aurora, IL | Unrestricted Contribution | $3,500 |
| Moody Radio Chicago, IL | Unrestricted Contribution | $3,000 |
| Global Service Network Apex, NC | Unrestricted Contribution | $3,000 |
| Rett Syndrome Foundation Cincinnati, OH | Unrestricted Contribution | $2,600 |
| Harvest Christian Academy Elgin, IL | Unrestricted Contribution | $2,000 |
| Harvest Bible Chapel Elgin, IL | Unrestricted Contribution | $2,000 |
| One Line Church Wheaton, IL | Unrestricted Contribution | $2,000 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $811,108 | $24,782 | $59,108 | $46,200 | 14 | $46,200 | $24,292 | $40,939 |
| 2023 | $856,334 | $28,712 | $43,903 | $38,740 | 13 | $43,372 | $18,181 | $42,334 |
| 2022 | $872,322 | $27,022 | $57,401 | $54,000 | 11 | $56,530 | $13,210 | $45,473 |
| 2021 | $947,158 | $7,395 | $38,632 | $36,607 | 12 | $38,135 | $6,798 | $47,648 |
| 2020 | $978,395 | $7,186 | $18,716 | $17,250 | 6 | — | $6,645 | $48,594 |
| 2019 | $989,925 | $10,490 | $23,431 | $22,500 | 10 | — | $9,559 | $48,873 |
Under IRS private-foundation payout rules, John J and Ann E Mariotti Foundation reported a distributable amount of $41K for 2024 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2024 grants went to organizations including churches, ministries, schools, and other charitable organizations. One recipient, Global Service Network Inc., describes its mission as “empowering servants of Christ to take the gospel to the world”; this is the grantee’s mission, not a stated mission of the foundation.
Grantmaking
In filing year 2024, the foundation made 14 grants totaling $46,200. Grants ranged from $500 to $16,000, with a median grant of $2,300. Notable grants included $16,000 to Maxville Christian Church, $4,000 to Save Inc., $3,500 each to Fox Valley Christian Action and Wayside Cross Ministries, and $3,000 each to Moody Radio and Global Service Network.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists John Mariotti Jr. as president, Francis Molinari as secretary, Patricia Anderson as treasurer, and Ann Fidati as director.
John J and Ann E Mariotti Foundation is led by John Mariotti Jr., President on every filing since 2019; none of the 4 officers listed in 2024 report compensation.
Officers on the 2024 filing
John Mariotti Jr.
President
On filings since 2019
No compensation reported
Ann Fidati
Director
On filings since 2019
No compensation reported
Francis Molinari
Secretary
On filings since 2019
No compensation reported
Patricia Anderson
Treasurer
On filings since 2019
No compensation reported
Data from IRS Form 990 filings, 2019–2024. "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 John J and Ann E Mariotti Foundation
How much does John J and Ann E Mariotti Foundation give each year?
John J and Ann E Mariotti Foundation gave $46K across 14 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $39K across 13 grants.
What is John J and Ann E Mariotti Foundation's typical grant size?
John J and Ann E Mariotti Foundation's median grant in 2024 was $2,300, and its average grant was $3,300, across 14 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from John J and Ann E Mariotti Foundation that year got $2K on average.
Where does John J and Ann E Mariotti Foundation give grants?
John J and Ann E Mariotti Foundation's top state is Illinois, with 44% of the grant dollars itemized on its 2024 IRS Form 990-PF. The next largest states were Indiana (43%) and North Carolina (6%). The most frequent recipient cities were Chicago, IL (2 grants) and Elgin, IL (2 grants).
Does John J and Ann E Mariotti Foundation give general operating support?
Yes: 100% of John J and Ann E Mariotti Foundation's 2024 grants with a stated purpose (14 of 14) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are John J and Ann E Mariotti Foundation's largest grantees?
John J and Ann E Mariotti Foundation's largest 2024 grantees include Maxville Christian Church ($16,000), Save Inc ($4,000) and Fox Valley Christian Action ($3,500), according to its 2024 IRS Form 990-PF. Together they received 51% of its itemized 2024 grant dollars.
How large is John J and Ann E Mariotti Foundation?
John J and Ann E Mariotti Foundation reported $811K in total assets on its 2024 IRS Form 990-PF. It paid out $46K in qualifying distributions that year, against a required minimum of $41K (roughly 5% of its investment assets).
What does John J and Ann E Mariotti Foundation fund?
No mission statement for the foundation is provided. Its 2024 grants went to organizations including churches, ministries, schools, and other charitable organizations. See mission & focus areas ↑
How do I apply for a grant from John J and Ann E Mariotti Foundation?
The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is John J and Ann E Mariotti Foundation's EIN?
John J and Ann E Mariotti Foundation's EIN (Employer Identification Number) is 36-4381984. IRS Form 990 filing data is available on this page for 2019–2024.
Does John J and Ann E Mariotti Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS July 8, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS November 15, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 12, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS July 11, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS August 27, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS June 10, 2025)
- IRS filings on file for fiscal years 2019–2024
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