Medicines for Humanity
ROCKLAND, MA
$185KTax year 2024
Grant purpose
General
Foundation directory
The John J McDonnell Margaret T O'Brien Foundation Grants
Private foundation · EIN 51-0644921 · IRS 990-PF filings through tax year 2025
How to apply
This foundation reports on its 990-PF that it only makes contributions to preselected organizations and does not accept unsolicited applications.
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Original filing text
Reported organization name: THE JOHN J MCDONNELL MARGARET T O'BRIEN FOUNDATION
Giving by tax year
Year-level totals across every reported grant in this profile — a summary, not a filter. The awards further down are the largest individual grants across all years, not each year's complete list.
| Tax year | Grants paid | Amount |
|---|---|---|
| 2025 | 21 | $756.3K |
| 2024 | 18 | $667.5K |
Where The John J McDonnell Margaret T O'Brien Foundation gives
States of grant recipients reported on the foundation's 990-PF filings, by dollars received.
Largest reported grants
Historical awards reported to the IRS. These are examples of past giving, not open opportunities.
Medicines for Humanity
ROCKLAND, MA
$145KTax year 2025
Grant purpose
General
Massachusetts General Hospital
BOSTON, MA
$120KTax year 2025
Grant purpose
General
Notre Dame Cristo Rey High School
LAWRENCE, MA
$108KTax year 2024
Grant purpose
General
Massachusetts General Hospital
BOSTON, MA
$85KTax year 2024
Grant purpose
General
Showing 5 of the 25 largest grants (39 reported in all).
See all 39 grants from The John J McDonnell Margaret T O'Brien Foundation: sort and filter by purpose, state and year.
Create free accountAbout this data
Figures are aggregated from The John J McDonnell Margaret T O'Brien Foundation's IRS Form 990-PF electronic filings (2 filings on file, most recent tax year 2025). Totals reflect grants the foundation reported as paid, and can lag the current year because foundations file annually and often on extension. Source: IRS 990-PF filing on ProPublica. Raw e-file archive (ZIP) — a large IRS yearly archive download.
Other foundations giving in Massachusetts
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