Mary Jane and Marvin Riddle Foundation
The Mary Jane and Marvin Riddle Foundation is a private foundation based in Naples, Florida. In its 2025 filing, it reported 14 grants totaling $70,349, with awards to educational institutions, community organizations, and other nonprofits.
Mary Jane and Marvin Riddle Foundation at a glance
In short: Mary Jane and Marvin Riddle Foundation gave $70K across 14 grants in 2025 (avg $5K), top state Pennsylvania. 0% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $70,349
- -40.8% vs 2024
- Grants made (2025)
- 14
- -6.7% vs 2024
- Average grant
- $5,025
- -36.6% vs 2024
- Median grant
- $800
- Total assets
- $511,216
- +3.3% vs 2024
- New grantees (estimate)
- 0% first-time grantees (0 of 14, 2025; small sample)
- Primary geography
- Pennsylvania (38% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Mary Jane and Marvin Riddle Foundation
- How to Apply
-
The foundation states that it does not restrict giving to preselected organizations. Its filing lists a letter of request as the application material, no deadline, and no restrictions on awards.
- Contact
Application contact: Mary Jane Riddle
Mailing address: 100 Moorings Park Drive Unit F 101, Naples, FL 34105
Phone: (908) 537-2155
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Mary Jane and Marvin Riddle Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Deerfield Academy ($21K). Together the top 10 received $69K.
Grant Size Distribution
76 grants across all recorded years
The most common grant size was under $50K: 76 grants of 76 (100%).
Geographic Focus
Where this funder awards grants
In 2025, grant dollars went primarily to organizations in Pennsylvania (38%), Massachusetts (29%), and New York (29%). Florida accounted for 2% and Washington, DC, for 1%.
Grant Distribution by State
Share of 2025 grant dollars across all 14 itemized grants.
Cities
Is Mary Jane and Marvin Riddle Foundation open to new grantees?
0%
first-time grantees, 2025
In 2025, 0 of 14 grantees (0%) 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. How we count
- 93% of 2025 grantees were also funded in 2024. Method
- Giving grew 25% from 2022 to 2025. Method
- In 2025 it paid out 105% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). 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 2020 to 2025, annual grant giving ranged from $54K (2021) to $119K (2024). In 2025 it made 14 grants totaling $70K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Deerfield Academy Deerfield, MA | To Support Continuing Operations | $20,599 |
| Emma Willard School Troy, NY | To Support Continuing Operations | $20,375 |
| Lafayette College Easton, PA | H. M. Riddle '51 Fund for Engineering Education | $20,375 |
| College Hill Presbyterian Church Easton, PA | To Support Continuing Operations | $2,500 |
| Northampton Community College Bethlehem, PA | To Support Continuing Operations | $2,000 |
| American Red Cross Washington, DC | To Support Continuing Operations | $1,000 |
| Project of Easton Inc Easton, PA | To Support Continuing Operations | $800 |
| United Way of the Greater Lehigh Valley Allentown, PA | To Support Continuing Operations | $800 |
| Moorings Park Foundation Naples, FL | To Support Continuing Operations | $550 |
| Artis - Naples Naples, FL | To Support Continuing Operations | $300 |
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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 | $511,216 | $36,203 | $79,669 | $70,349 | 14 | $70,352 | $35,719 | $67,237 |
| 2024 | $494,921 | $36,725 | $128,106 | $118,923 | 15 | $121,176 | $36,296 | $69,199 |
| 2023 | $476,501 | $33,830 | $76,932 | $69,893 | 15 | $72,126 | $33,427 | $62,600 |
| 2022 | $458,417 | $28,488 | $62,571 | $56,483 | 14 | $59,066 | $27,805 | $65,639 |
| 2021 | $449,162 | $29,263 | $59,173 | $54,354 | 18 | $55,646 | $23,264 | $63,149 |
| 2020 | $430,542 | $25,777 | $67,053 | $63,008 | 9 | — | $21,957 | $52,474 |
Under IRS private-foundation payout rules, Mary Jane and Marvin Riddle Foundation reported a distributable amount of $67K for 2025 — 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 is provided. The 2025 grants show support for schools and colleges, community organizations, a church, and other nonprofits. Lafayette College describes its mission as excellence in undergraduate education, including liberal arts, engineering, and interdisciplinary study. Emma Willard School describes itself as a school for girls in grades 9 through 12. Project of Easton says it provides education, workforce preparation, and safety-net programs, while United Way of the Greater Lehigh Valley says it works for health, safety, and education in the region.
Grantmaking
In 2025, the foundation made 14 grants totaling $70,349. Grants ranged from $150 to $20,599, with a median grant of $800. The largest awards were $20,599 to Deerfield Academy for continuing operations, $20,375 to Emma Willard School for continuing operations, and $20,375 to Lafayette College for the H. M. Riddle ’51 Fund for Engineering Education. Other listed recipients included College Hill Presbyterian Church ($2,500), Northampton Community College ($2,000), and the American Red Cross ($1,000).
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Mary Jane Riddle as president, and Stephen A. Riddle, Sheila J. Riddle, and Deborah R. Bernier as directors.
Mary Jane and Marvin Riddle Foundation is led by Mary Jane Riddle, President since 2024 (on filings since 2020); 3 of 4 officers listed in 2025 are compensated.
Officers on the 2025 filing
Mary Jane Riddle
President
Director → President, 2024
On filings since 2020
1 hr/week
$430 (2022) → $450 (2025)
Deborah R. Bernier
Director
On filings since 2020
1 hr/week
$860 (2022) → $450 (2025)
Sheila J. Riddle
Director
On filings since 2020
1 hr/week
$430 (2021) → $450 (2025)
Stephen A. Riddle
Director
On filings since 2020
1 hr/week
$430 (2021) → $0 (2025)
Former officers (1)
- Former: H. Marvin Riddle (2020–2023) — President
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 $450, to Mary Jane Riddle (President). 3 officers or directors reported compensation on that filing.
Frequently asked questions about Mary Jane and Marvin Riddle Foundation
How much does Mary Jane and Marvin Riddle Foundation give each year?
Mary Jane and Marvin Riddle Foundation gave $70K across 14 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $119K across 15 grants.
What is Mary Jane and Marvin Riddle Foundation's typical grant size?
Mary Jane and Marvin Riddle Foundation's median grant in 2025 was $800, and its average grant was $5,025, across 14 grants on its 2025 IRS Form 990-PF.
Where does Mary Jane and Marvin Riddle Foundation give grants?
Mary Jane and Marvin Riddle Foundation's top state is Pennsylvania, with 38% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Massachusetts (29%) and New York (29%). The most frequent recipient cities were Easton, PA (5 grants) and Naples, FL (4 grants).
Does Mary Jane and Marvin Riddle Foundation give general operating support?
Not in 2025: none of the 14 grants with a stated purpose on Mary Jane and Marvin Riddle Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "To Support Continuing Operations" (12 grants).
Who are Mary Jane and Marvin Riddle Foundation's largest grantees?
Mary Jane and Marvin Riddle Foundation's largest 2025 grantees include Deerfield Academy ($20,599), Emma Willard School ($20,375) and Lafayette College ($20,375), according to its 2025 IRS Form 990-PF. Together they received 87% of its itemized 2025 grant dollars.
How large is Mary Jane and Marvin Riddle Foundation?
Mary Jane and Marvin Riddle Foundation reported $511K in total assets on its 2025 IRS Form 990-PF. It paid out $70K in qualifying distributions that year, against a required minimum of $67K (roughly 5% of its investment assets).
What does Mary Jane and Marvin Riddle Foundation fund?
No mission statement is provided. The 2025 grants show support for schools and colleges, community organizations, a church, and other nonprofits. Lafayette College describes its mission as excellence in undergraduate education, including liberal arts, engineering, and interdisciplinary study. See mission & focus areas ↑
How do I apply for a grant from Mary Jane and Marvin Riddle Foundation?
The foundation states that it does not restrict giving to preselected organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Mary Jane and Marvin Riddle Foundation's EIN?
Mary Jane and Marvin Riddle Foundation's EIN (Employer Identification Number) is 23-2693114. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- 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 November 10, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 8, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 9, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS November 14, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 6, 2026)
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Cite this profile
Grantable. (2026). Mary Jane and Marvin Riddle Foundation funder profile. GrantGraph. Retrieved October 20, 2026, from https://grantable.co/funders/mary-jane-and-marvin-riddle-foundation-morg_9e228274fe9f41c2ba7368e440c492e1
BibTeX
@misc{grantable_232693114_2026,
author = {{Grantable}},
title = {{Mary Jane and Marvin Riddle Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/mary-jane-and-marvin-riddle-foundation-morg_9e228274fe9f41c2ba7368e440c492e1},
note = {Accessed 2026-10-20. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Mary Jane and Marvin Riddle Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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