Grants paid by Marilyn Mason Foundation
EIN 38-3317749 · Lincoln, MA · Form 990-PF, Part XV · NTEE T20Z
Marilyn Mason Foundation of Lincoln, MA (EIN 38-3317749) reported 11 grants paid totaling $37,162 to 7 recipients in tax years 2020–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$37,162
11 grants
Recipients
7
distinct organizations
Tax years
2020–2025
5 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2020 | 2 | $9,000 | — |
| 2022 | 1 | $2,000 | — |
| 2023 | 2 | $8,000 | — |
| 2024 | 2 | $8,000 | — |
| 2025 | 4 | $10,162 | — |
Top recipients
The 7 recipients receiving the most from Marilyn Mason Foundation, by grants paid, out of 7 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| American Guild of Organists | U | New York, NY | 4 | $14,000 | 2025 |
| Longy School of Music | U | Cambridge, MA | 2 | $7,000 | 2024 |
| Harvard Medical School 04-2213292 | D | Boston, MA | 1 | $5,000 | 2024 |
| 1st Congregational Church | U | Ann Arbor, MI | 1 | $5,000 | 2020 |
| Maggies Enthuse Charity | U | London | 1 | $4,662 | 2025 |
| Mass Eye Ear Hospital | U | Boston, MA | 1 | $1,000 | 2025 |
| Orchestra Book Club 99-1952915 | B | Medford, MA | 1 | $500 | 2025 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 11 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Maggies Enthuse Charity London | U | $4,662 | paid | SPONSOR RACE FOR CANCER RESEARCH | 202601359349100825 |
| 2025 | American Guild of Organists New York, NY | U | $4,000 | paid | FUNDS FOR MARILYN MASON ORGAN COMPOSITION AWARD | 202601359349100825 |
| 2025 | Mass Eye Ear Hospital Boston, MA | U | $1,000 | paid | SPONSOR CHARITY RUNNING RACE FOR MEDICAL RESEARCH | 202601359349100825 |
| 2025 | Orchestra Book Club Medford, MA | B | $500 | paid | SUPPORT ONGOING EXPENSES FOR MUSICAL CONCERTS | 202601359349100825 |
| 2024 | Harvard Medical School Boston, MA | D | $5,000 | paid | ALUMNI AFFAIRS & DEVELOPMENT FUND | 202541369349101144 |
| 2024 | Longy School of Music Cambridge, MA | U | $3,000 | paid | OPERATING FUND | 202541369349101144 |
| 2023 | Longy School of Music Cambridge, MA | U | $4,000 | paid | OPERATING FUND | 202431209349101653 |
| 2023 | American Guild of Organists New York, NY | U | $4,000 | paid | CREATE MEMORIAL GRANT | 202431209349101653 |
| 2022 | American Guild of Organists New York, NY | U | $2,000 | paid | CREATE MEMORIAL GRANT | 202332339349100528 |
| 2020 | 1st Congregational Church Ann Arbor, MI | U | $5,000 | paid | MEMORIAL GRANT | 202122889349101807 |
| 2020 | American Guild of Organists New York, NY | U | $4,000 | paid | CREATE MEMORIAL GRANT | 202122889349101807 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2025 | 2025-12-31 | not stated | 2025v4.1 | 202601359349100825 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.1 | 202541369349101144 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.0 | 202431209349101653 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202332339349100528 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.1 | 202122889349101807 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/383317749.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.