Riley Mabel Louise Tr Uwill
Riley Mabel Louise Tr Uwill is a private foundation located in Pittsburgh, Pennsylvania. Its website describes the Mabel Louise Riley Foundation as a general-purpose foundation with particular consideration for the needs of children and youth, and says it supports a broad range of programs, especially education, human services, and neighborhood revitalization.
Riley Mabel Louise Tr Uwill at a glance
In short: Riley Mabel Louise Tr Uwill gave $3.7M across 69 grants in 2024 (avg $54K), mostly in Massachusetts. 67% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $3,746,449
- +4.6% vs 2023
- Grants made (2024)
- 69
- +6.2% vs 2023
- Average grant
- $54,296
- -1.4% vs 2023
- Median grant
- $50,000
- Total assets
- $47,264,875
- -3.8% vs 2023
- New grantees (estimate)
- 67% first-time grantees (46 of 69, 2024)
- Primary geography
- Massachusetts (96% 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 Riley Mabel Louise Tr Uwill
- How to Apply
-
The main program considers requests from 501(c)(3) nonprofits incorporated under Massachusetts law and operating exclusively for charitable purposes. An organization’s registered address must be in Massachusetts; organizations without one must obtain a fiscal agent. The website says applicants whose formal requests are denied must wait one full year before reapplying, and recipients must wait two full years before submitting a new letter of intent. The filing refers applicants to attached materials for the application form, process, deadlines, and award restrictions, but those details are not provided here.
- Contact
Mailing address: See Attached, See Attached, PA 15230
Phone: (617) 722-7246
Website: https://rileyfoundation.com
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Open Grants
1 open opportunity from Riley Mabel Louise Tr Uwill
Who Riley Mabel Louise Tr Uwill funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was East Boston Social Centers Inc ($100K). Together the top 10 received $967K.
Grant Size Distribution
315 grants across all recorded years
The most common grant size was in the $50–100K range: 259 grants of 315 (82%).
Geographic Focus
Where this funder awards grants
For its main program, the foundation supports nonprofits where more than 50% of the people served reside in the City of Boston and its neighborhoods. The Small Grants Fund serves the Greater Dudley area of Roxbury and Dorchester, Massachusetts. In 2024, 96% of grant dollars went to recipients in Massachusetts, 3% to New York, and 1% to Wisconsin.
Grant Distribution by State
Share of 2024 grant dollars across all 69 itemized grants.
Cities
Is Riley Mabel Louise Tr Uwill open to new grantees?
67%
first-time grantees, 2024
In 2024, 46 of 69 grantees (67%) were first-time recipients. First grants averaged $53K; repeat grants $58K. How we count
Medians: $50K first-time, $50K repeat.
- 7% of 2024 grantees were also funded in 2023. Method
- Giving held roughly steady from 2021 to 2024 (−5%). Method
- In 2024 it paid out 110% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). 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 2020 to 2024, annual grant giving ranged from $3.5M (2020) to $4.0M (2022). In 2024 it made 69 grants totaling $3.7M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| East Boston Social Centers Inc East Boston, MA | General Operating | $100,000 |
| Health Imperatives Inc Brockton, MA | General Operating | $100,000 |
| Innercity Weightlifting Inc Cambridge, MA | General Operating | $100,000 |
| Institute of Technology Brooklyn, NY | General Operating | $100,000 |
| Utec Inc Lowell, MA | General Operating | $100,000 |
| The Base Roxbury, MA | General Operating | $100,000 |
| Boston Food Forest Coalition Jamaica Plain, MA | General Operating | $100,000 |
| Latinos for Education Inc Belmont, MA | General Operating | $100,000 |
| Philanthropy Massachusetts Inc Boston, MA | General Operating | $86,975 |
| Families First Parenting Programs Inc Watertown, MA | General Operating | $80,000 |
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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 | $47,264,875 | $2,886,522 | $4,864,161 | $3,746,449 | 69 | $4,194,786 | $2,255,483 | $3,812,819 |
| 2023 | $49,133,038 | $6,522,059 | $4,721,806 | $3,580,190 | 65 | $3,997,705 | $6,010,435 | $3,401,470 |
| 2022 | $47,126,550 | $888,658 | $4,816,087 | $4,027,250 | 80 | $4,398,807 | $1,631,353 | $3,531,869 |
| 2021 | $51,075,318 | $5,638,646 | $4,633,262 | $3,927,738 | 39 | $4,304,012 | $5,333,782 | $3,914,834 |
| 2020 | $49,945,742 | $2,916,262 | $4,103,187 | $3,455,492 | 62 | — | $2,619,932 | $3,288,064 |
Under IRS private-foundation payout rules, Riley Mabel Louise Tr Uwill reported a distributable amount of $3.8M for 2024 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
Mabel Louise Riley’s stated suggestion to her trustees was to give particular consideration to children and youth. The foundation’s website identifies current interests in arts access for underserved communities, foster care children and people aging out of foster care, vocational education and job training, and affordable housing and shelter for vulnerable families. It also supports new projects, organizational and program expansion, and capital projects, with an interest in funding programs that may become self-sufficient or serve as models elsewhere.
The foundation’s 2024 grantees illustrate a range of supported work. InnerCity Weightlifting says its mission is to reduce gun violence by amplifying the voice and agency of people most impacted by systemic racism and mass incarceration. Latinos for Education says it works to unite Latino communities to transform education policy and practice. UTEC says it works with young adults to trade violence and poverty for social and economic success. Boston Food Forest Coalition describes its work as transforming vacant lots into public edible parks and advancing equitable access to healthy green space. East Boston Social Centers says it supports children, families, and individuals of all ages through services that cultivate community, belonging, and joy.
Grantmaking
In 2024, the foundation reported 69 grants totaling $3,746,449. Grants ranged from $4,474 to $100,000, with a median of $50,000. The website says one-year grants through the main program normally range from $50,000 to $100,000.
Among the 2024 grants, InnerCity Weightlifting, Latinos for Education, UTEC, Boston Food Forest Coalition, and East Boston Social Centers each received $100,000. Philanthropy Massachusetts received $86,975, Families First Parenting Programs received $80,000, and Bottom Line and Barton Center for Diabetes Education each received $75,000. The listed purposes for these grants were general operating.
The Family Strengthening Small Grants Fund supports projects developed and carried out by resident volunteers, volunteer-run neighborhood groups, and associations in Greater Dudley. 501(c)(3) status is not required, but applicants must be organized for charitable activities benefiting families and neighborhoods; large social service agencies, community-based organizations, and for-profit entities are ineligible. Grants are anticipated to range from $500 to $5,000, may not be used for salaries, and are expected to be completed within 12 months. Prior grantees must complete their project and submit a final report before applying again.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Grace K Fey and Joanne Y Jaxtimer as co-trustees and BNY Mellon N A as trustee. The foundation’s website lists Grace Fey, Joannie Jaxtimer, and BNY Mellon as trustees. It identifies Nancy A. Saunders as administrative director and Che Madyun as director of the Family Strengthening Small Grants Fund.
Riley Mabel Louise Tr Uwill's 2024 filing lists 3 officers; all 3 officers listed in 2024 are compensated.
Officers on the 2024 filing
BNY Mellon N A
Trustee
Trustee → Co-Trustee, 2021
Co-Trustee → Trustee, 2022
On filings since 2020
1 hr/week
$177K (2020) → $359K (2024)
Grace K. Fey
Co-Trustee
On filings since 2020
1 hr/week
$50K (2020) → $56K (2024)
Joanne Y. Jaxtimer
Co-Trustee
On filings since 2020
1 hr/week
$50K (2020) → $56K (2024)
Former officers (1)
- Former: Robert W. Holmes (2020) — Co-Trustee
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2024 IRS filing
The highest reported compensation on the 2024 filing was $359K, to BNY Mellon N a (Trustee). 3 officers or directors reported compensation on that filing.
Frequently asked questions about Riley Mabel Louise Tr Uwill
How much does Riley Mabel Louise Tr Uwill give each year?
Riley Mabel Louise Tr Uwill gave $3.7M across 69 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $3.6M across 65 grants.
What is Riley Mabel Louise Tr Uwill's typical grant size?
Riley Mabel Louise Tr Uwill's median grant in 2024 was $50,000, and its average grant was $54,296, across 69 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Riley Mabel Louise Tr Uwill that year got $53K on average.
Where does Riley Mabel Louise Tr Uwill give grants?
Riley Mabel Louise Tr Uwill gives mostly in Massachusetts: 96% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Boston, MA (23 grants), Roxbury, MA (3 grants), Dorchester, MA (3 grants) and East Boston, MA (2 grants).
Does Riley Mabel Louise Tr Uwill give general operating support?
Yes: 100% of Riley Mabel Louise Tr Uwill's 2024 grants with a stated purpose (69 of 69) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are Riley Mabel Louise Tr Uwill's largest grantees?
Riley Mabel Louise Tr Uwill's largest 2024 grantees include East Boston Social Centers Inc ($100,000), Health Imperatives Inc ($100,000) and Innercity Weightlifting Inc ($100,000), according to its 2024 IRS Form 990-PF. Together they received 8% of its itemized 2024 grant dollars.
How large is Riley Mabel Louise Tr Uwill?
Riley Mabel Louise Tr Uwill reported $47.3M in total assets on its 2024 IRS Form 990-PF. It paid out $4.2M in qualifying distributions that year, against a required minimum of $3.8M (roughly 5% of its investment assets).
What does Riley Mabel Louise Tr Uwill fund?
Mabel Louise Riley’s stated suggestion to her trustees was to give particular consideration to children and youth. See mission & focus areas ↑
How do I apply for a grant from Riley Mabel Louise Tr Uwill?
The main program considers requests from 501(c)(3) nonprofits incorporated under Massachusetts law and operating exclusively for charitable purposes. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Riley Mabel Louise Tr Uwill's EIN?
Riley Mabel Louise Tr Uwill's EIN (Employer Identification Number) is 04-6278857. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated October 2026.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
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Cite this profile
Grantable. (2026). Riley Mabel Louise Tr Uwill funder profile. GrantGraph. Retrieved October 17, 2026, from https://grantable.co/funders/riley-mabel-louise-tr-uwill-morg_963780ad35634adfb5caa574b7b62af6
BibTeX
@misc{grantable_046278857_2026,
author = {{Grantable}},
title = {{Riley Mabel Louise Tr Uwill funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/riley-mabel-louise-tr-uwill-morg_963780ad35634adfb5caa574b7b62af6},
note = {Accessed 2026-10-17. 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 Riley Mabel Louise Tr Uwill'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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