M L Mason Memorial Fund Sch B
Invitation OnlyPittsburgh, Pennsylvania · EIN 25-6020714 · Private foundation
Grants paid (2025)$487K
Organizations funded19
Typical grant$11,672
Total assets$13.7M
Half of its grants to organizations were between $5,836 and $11,672.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
10% of grants went outside Pennsylvania.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| West Penn Allegheny Health System | Pittsburgh, PA | General support | $233,442 |
| Kingsley Association | Pittsburgh, PA | General support | $58,360 |
| Board of Foreign Missions of the Presbyterian Church USA Fdn | Jeffersonville, IN | General support | $46,688 |
| Humane Animal Rescue | Pittsburgh, PA | General support | $23,344 |
| YWCA Greater Pittsburgh | Pittsburgh, PA | General support | $11,672 |
| Presbyterian Seniorcare | Oakmont, PA | General support | $11,672 |
| Westminster College | New Wilmington, PA | General support | $11,672 |
| Forbes Regional Hospital | Pittsburgh, PA | General support | $11,672 |
| Children's Hospital of Pittsburgh Foundation | Pittsburgh, PA | General support | $11,672 |
| St Barnabas Nursing Home Inc | Gibsonia, PA | General support | $11,672 |
| Upmc Community Provider Services | Pittsburgh, PA | General support | $8,754 |
| Board of Pensions of the Presbyterian Church (USA) | Philadelphia, PA | General support | $5,836 |
| Presbyterian Church USA Fdn | Jeffersonville, IN | General support | $5,836 |
| Pgh Theological Seminary | Pittsburgh, PA | General support | $5,836 |
| Breathe Pennsylvania | Cranberry Township, PA | General support | $5,836 |
| Western Pa School for Blind | Pittsburgh, PA | General support | $5,836 |
| Western Pa School for the Deaf | Pittsburgh, PA | General support | $5,836 |
| St Margaret Foundation | Pittsburgh, PA | General support | $5,836 |
| Mars Home for Youth Foundation | Mars, PA | General support | $5,836 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $487,308 | 19 |
| 2024 | $508,790 | 21 |
| 2023 | $519,674 | 20 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 8, 2026 - IRS e-file batch, object ID 202611289349104176
- IRS Tax Exempt Organization Search for EIN 25-6020714
- 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.