Mabel Louise Riley Foundation
Historical FunderPittsburgh, Pennsylvania · EIN 04-6278857 · Private foundation
Grants paid (2024)$3.7M
Organizations funded69
Typical grant$50,000
Total assets$79M
Half of its grants to organizations were between $50,000 and $50,000.
From the return
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2024):
| Contact | SEE ATTACHED |
|---|---|
| Address | SEE ATTACHED, SEE ATTACHED PA 15230 |
| Phone | 6177227246 |
| Form and materials | SEE ATTACHED |
| Deadlines | SEE ATTACHED |
| Restrictions | SEE ATTACHED |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
98% of grants went outside Pennsylvania.
Grants paid in tax year 2024
| Recipient | Location | 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 |
| Bottom Line Inc | Boston, MA | General operating | $75,000 |
| Barton Center for Diabetes Education Inc | North Oxford, MA | General operating | $75,000 |
| Lovin Spoonfuls Inc | Boston, MA | General operating | $75,000 |
| Boston Outdoor Preschool Network | Boston, MA | General operating | $75,000 |
| Mission of Deeds Inc | Reading, MA | General operating | $60,000 |
| Clarke School for Hearing and Speech | Northampton, MA | General operating | $60,000 |
| Nativity School of Worcester Inc | Worcester, MA | General operating | $50,000 |
| Saheli Inc | Burlington, MA | General operating | $50,000 |
| Jewish Family & Children's Services | Waltham, MA | General operating | $50,000 |
| Museum of Fine Arts Boston | Boston, MA | General operating | $50,000 |
| International Institute of New England I | Boston, MA | General operating | $50,000 |
| Institute of Contemporary Art | Boston, MA | General operating | $50,000 |
| Massachusetts Audubon Society Inc | Lincoln, MA | General operating | $50,000 |
| Revolutionary Spaces Inc | Boston, MA | General operating | $50,000 |
| Saint Vincents Services Inc | Fall River, MA | General operating | $50,000 |
| Future Chefs | Boston, MA | General operating | $50,000 |
| Danafarber Cancer Institute | Boston, MA | General operating | $50,000 |
| Berklee College of Music Inc | Boston, MA | General operating | $50,000 |
| Boston Uncornered | Dorchester, MA | General operating | $50,000 |
| Pupppet Showplace | Brookline, MA | General operating | $50,000 |
| Samaritans Inc | Boston, MA | General operating | $50,000 |
| Framingham State | Framingham, MA | General operating | $50,000 |
| Partners in Child Development | Andover, MA | General operating | $50,000 |
| Community Rowing Inc | Brighton, MA | General operating | $50,000 |
| Neighborhood of Affordable Housing | East Boston, MA | General operating | $50,000 |
| Childrens Services of Robxury | Roxbury, MA | General operating | $50,000 |
| Umass Medical School Foundation Inc | Shrewsbury, MA | General operating | $50,000 |
| Boston Casa | Boston, MA | General operating | $50,000 |
| Jumpstart for Young Children Inc | Boston, MA | General operating | $50,000 |
| Build Commonwealth | Boston, MA | General operating | $50,000 |
| Springfield Museums Corporation | Springfield, MA | General operating | $50,000 |
| Actors Shakespeare Project | Charlestown, MA | General operating | $50,000 |
| One Can Help Inc | Waban, MA | General operating | $50,000 |
| Ron Burton Training Village Inc | Hubbardston, MA | General operating | $50,000 |
| Horizons for Homeless Children | Roxbury, MA | General operating | $50,000 |
| Roca Inc | Chelsea, MA | General operating | $50,000 |
| Boys & Girls Clubs of Stoneham | Stoneham, MA | General operating | $50,000 |
| Duet Inc | Boston, MA | General operating | $50,000 |
| English for New Bostonians Inc | Boston, MA | General operating | $50,000 |
| Level Ground Mixed Martial Arts | Boston, MA | General operating | $50,000 |
| Entrepreneurship for All | Lowell, MA | General operating | $50,000 |
| Root Ns Inc | Salem, MA | General operating | $50,000 |
| Northstar Learning Centers Inc | New Bedford, MA | General operating | $50,000 |
| Good Sports Inc | Braintree, MA | General operating | $50,000 |
| Edvestors Inc | Boston, MA | General operating | $50,000 |
| Grub Street Inc | Boston, MA | General operating | $50,000 |
| Libertas Academy Charter School | Springfield, MA | General operating | $50,000 |
| Bryces Journey | Hyde Park, MA | General operating | $50,000 |
| Berkshires Bounty | Gt Barrington, MA | General operating | $50,000 |
| Student Clinic for Immigrant Justice Inc | Boston, MA | General operating | $50,000 |
Showing the 60 largest of 69 grants to organizations.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $3,746,449 | 69 |
| 2023 | $3,580,190 | 65 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 11, 2025 - IRS e-file batch, object ID 202533159349101953
- IRS Tax Exempt Organization Search for EIN 04-6278857
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.