Grants paid by Cynthia and Merrill Magowan Family Foundation
EIN 20-1511055 · Hillsborough, CA · Form 990-PF, Part XV · NTEE T20
Cynthia and Merrill Magowan Family Foundation of Hillsborough, CA (EIN 20-1511055) reported 93 grants paid totaling $594,086 to 44 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
$594,086
93 grants
Recipients
44
distinct organizations
Tax years
2020–2025
6 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2020 | 9 | $64,000 | — |
| 2021 | 24 | $100,500 | — |
| 2022 | 14 | $81,500 | — |
| 2023 | 18 | $94,500 | — |
| 2024 | 18 | $140,836 | — |
| 2025 | 10 | $112,750 | — |
Top recipients
The 44 recipients receiving the most from Cynthia and Merrill Magowan Family Foundation, by grants paid, out of 44 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Mayo Clinic | U | Rochester, MN | 4 | $100,000 | 2025 |
| The Marine Mammal Center 51-0144434 | B | Sausalito, CA | 5 | $83,586 | 2025 |
| Addiction Education Society Inc 46-4533989 | B | San Mateo, CA | 3 | $57,250 | 2025 |
| San Francisco Zoological Society 94-1429538 | B | San Francisco, CA | 5 | $57,000 | 2025 |
| Special Ops Sv Inc 81-0567790 | D | Los Altos, CA | 3 | $30,000 | 2024 |
| Peninsula Open Space Trust 94-2392007 | B | Palo Alto, CA | 4 | $25,000 | 2023 |
| Friends of Coos County Animals Inc 20-4342102 | B | Coos Bay, OR | 5 | $20,625 | 2025 |
| Cathedral School Alumni Association 52-2000506 | C | Clinton, MD | 1 | $20,000 | 2022 |
| Ucsf Foundation Investment Company 47-3599471 | C | San Francisco, CA | 4 | $16,000 | 2024 |
| Cathedral School for Boys | U | San Francisco, CA | 1 | $15,000 | 2020 |
| Naval Institute Foundation 52-1814344 | B | Annapolis, MD | 4 | $13,125 | 2025 |
| James Merrill House Foundation 86-3632993 | B | Stonington, CT | 1 | $10,000 | 2024 |
| Hillsborough Garden Club 23-7134059 | B | Burlingame, CA | 1 | $10,000 | 2021 |
| Evans Scholars Foundation | U | Glenview, IL | 2 | $10,000 | 2024 |
| Tunnel to Towers Foundation | U | Staten Island, NY | 3 | $10,000 | 2025 |
| Fine Arts Museums Foundation 94-6096509 | B | San Francisco, CA | 3 | $10,000 | 2025 |
| Ethel Weber School | U | Sandy Springs, GA | 1 | $10,000 | 2023 |
| Bakers Institute | U | Houston, TX | 2 | $7,500 | 2025 |
| Kqed Inc 94-1241309 | B | San Francisco, CA | 3 | $5,000 | 2024 |
| The Leukemia Lymphoma Society | U | Rye Brook, NY | 1 | $5,000 | 2021 |
| Earthwatch Institute 23-7168440 | C | Boston, MA | 1 | $5,000 | 2020 |
| Primrose Foundation 20-5861380 | B | Chicago, IL | 2 | $5,000 | 2022 |
| St Anthony Trust of Hartford | U | Chapel Hill, NC | 1 | $5,000 | 2020 |
| Peninsula Humane Society Spca 94-1243665 | C | Burlingame, CA | 2 | $5,000 | 2024 |
| Filoli Center 95-2996648 | B | Woodside, CA | 3 | $5,000 | 2024 |
| Institute for Justice 52-1744337 | B | Arlington, VA | 2 | $5,000 | 2022 |
| Mills-Peninsula Hospital Foundation 23-7288765 | B | Sacramento, CA | 3 | $4,500 | 2024 |
| Kidsave International Inc 91-1887623 | B | Culver City, CA | 2 | $4,250 | 2023 |
| The Gilder Lehrman Institute 13-3795391 | D | New York, NY | 2 | $4,000 | 2022 |
| St Bernard's Academy Foundation 82-3536093 | B | Eureka, CA | 4 | $4,000 | 2024 |
| World Central Kitchen Inc 27-3521132 | C | Washington, DC | 2 | $3,500 | 2025 |
| Ucsf Cardiology Council | U | San Francisco, CA | 1 | $3,000 | 2020 |
| The Marine Memorial Center | U | San Francisco, CA | 1 | $3,000 | 2020 |
| Grace Epis Church | U | San Francisco, CA | 1 | $2,500 | 2023 |
| San Francisco Family Foundation 68-0217117 | C | San Rafael, CA | 1 | $2,500 | 2021 |
| Mounted Patrol of San Mateo County 75-2991593 | C | Woodside, CA | 1 | $2,500 | 2021 |
| Meals On Wheels of Contra Costa Inc 68-0231350 | B | Martinez, CA | 1 | $2,500 | 2022 |
| Natural Resources Defense Council I 13-2654926 | C | New York, NY | 1 | $2,500 | 2021 |
| The Baker Institute for Children 26-6385104 | D | Palo Alto, CA | 1 | $2,500 | 2021 |
| St Anthony Trust of Hartford Inc | U | Ithaca, NY | 1 | $2,500 | 2021 |
| School Choice Wisconsin 38-3695127 | C | Wast Allis, WI | 1 | $2,500 | 2023 |
| St Bernards School 95-2111046 | C | Tracy, CA | 1 | $1,000 | 2020 |
| Pacific Horticulture Society 94-1684498 | B | Berkeley, CA | 1 | $1,000 | 2021 |
| International Elephant Foundation 75-2815706 | B | Azle, TX | 1 | $750 | 2023 |
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 93 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Addiction Education Society Inc San Mateo, CA | B | $52,250 | paid | Support 501(c)3 organization | 202631259349103123 |
| 2025 | Mayo Clinic Rochester, MN | U | $25,000 | paid | Support 501(c)3 organization | 202631259349103123 |
| 2025 | San Francisco Zoological Society San Francisco, CA | B | $10,000 | paid | Support 501(c)(3) organization | 202631259349103123 |
| 2025 | The Marine Mammal Center Sausalito, CA | B | $10,000 | paid | Support 501(c)3 organization | 202631259349103123 |
| 2025 | Tunnel to Towers Foundation Staten Island, NY | U | $5,000 | paid | Support 501(c)(3) organization | 202631259349103123 |
| 2025 | Fine Arts Museums Foundation San Francisco, CA | B | $2,500 | paid | Support 501(c)(3) organization | 202631259349103123 |
| 2025 | Bakers Institute Houston, TX | U | $2,500 | paid | Support 501(c)(3) organization | 202631259349103123 |
| 2025 | Naval Institute Foundation Annapolis, MD | B | $1,875 | paid | Support 501(c)(3) organization | 202631259349103123 |
| 2025 | Friends of Coos County Animals Inc Coos Bay, OR | B | $1,875 | paid | Support 501(c)(3) organization | 202631259349103123 |
| 2025 | World Central Kitchen Inc Washington, DC | C | $1,750 | paid | Support Exempt Organization | 202631259349103123 |
| 2024 | The Marine Mammal Center Saualito, CA | B | $30,000 | paid | Support 501(c)(3) organization | 202541439349101014 |
| 2024 | Mayo Clinic Rochester, MN | U | $25,000 | paid | Support 501(c)3 organization | 202541439349101014 |
| 2024 | The Marine Mammal Center Sausalito, CA | B | $16,086 | paid | Support 501(c)3 organization | 202541439349101014 |
| 2024 | Special Ops Sv Inc Los Altos, CA | D | $15,000 | paid | Support 501(c)(3) organization | 202541439349101014 |
| 2024 | San Francisco Zoological Society San Francisco, CA | B | $10,000 | paid | Support 501(c)(3) organization | 202541439349101014 |
| 2024 | James Merrill House Foundation Stonington, CT | B | $10,000 | paid | Support Exempt Organization | 202541439349101014 |
| 2024 | Evans Scholars Foundation Glenview, IL | U | $5,000 | paid | Support 501(c)(3) organization | 202541439349101014 |
| 2024 | Ucsf Foundation Investment Company San Francisco, CA | C | $5,000 | paid | Support 501(c)(3) organization | 202541439349101014 |
| 2024 | Peninsula Humane Society Spca Burlingame, CA | C | $4,000 | paid | Support 501(c)3 organization | 202541439349101014 |
| 2024 | Friends of Coos County Animals Inc Coos Bay, OR | B | $3,750 | paid | Support 501(c)(3) organization | 202541439349101014 |
| 2024 | Naval Institute Foundation Annapolis, MD | B | $3,750 | paid | Support 501(c)(3) organization | 202541439349101014 |
| 2024 | Mills-Peninsula Hospital Foundation Sacramento, CA | B | $2,500 | paid | Support 501(c)3 organization | 202541439349101014 |
| 2024 | Fine Arts Museums Foundation San Francisco, CA | B | $2,500 | paid | Support 501(c)(3) organization | 202541439349101014 |
| 2024 | Tunnel to Towers Foundation Staten Island, NY | U | $2,500 | paid | Support 501(c)(3) organization | 202541439349101014 |
| 2024 | Kqed Inc San Francisco, CA | B | $2,000 | paid | Support 501(c)3 organization | 202541439349101014 |
| 2024 | World Central Kitchen Inc Washington, DC | C | $1,750 | paid | Support Exempt Organization | 202541439349101014 |
| 2024 | St Bernard's Academy Foundation Eureka, CA | B | $1,000 | paid | Support 501(c)(3) organization | 202541439349101014 |
| 2024 | Filoli Center Woodside, CA | B | $1,000 | paid | Support 501(c)3 organization | 202541439349101014 |
| 2023 | The Marine Mammal Center Saualito, CA | B | $25,000 | paid | Support 501(c)(3) organization | 202401349349102780 |
| 2023 | San Francisco Zoological Society San Francisco, CA | B | $10,000 | paid | Support 501(c)(3) organization | 202401349349102780 |
| 2023 | Ethel Weber School Sandy Springs, GA | U | $10,000 | paid | Support 501(c)(3) organization | 202401349349102780 |
| 2023 | Peninsula Open Space Trust Palo Alto, CA | B | $7,500 | paid | Support 501(c)(3) organization | 202401349349102780 |
| 2023 | Friends of Coos County Animals Inc Coos Bay, OR | B | $7,500 | paid | Support 501(c)(3) organization | 202401349349102780 |
| 2023 | Bakers Institute Houston, TX | U | $5,000 | paid | Support 501(c)(3) organization | 202401349349102780 |
| 2023 | Ucsf Foundation Investment Company San Francisco, CA | C | $5,000 | paid | Support 501(c)(3) organization | 202401349349102780 |
| 2023 | Naval Institute Foundation Annapolis, MD | B | $5,000 | paid | Support 501(c)(3) organization | 202401349349102780 |
| 2023 | Evans Scholars Foundation Glenview, IL | U | $5,000 | paid | Support 501(c)(3) organization | 202401349349102780 |
| 2023 | Tunnel to Towers Foundation Staten Island, NY | U | $2,500 | paid | Support 501(c)(3) organization | 202401349349102780 |
| 2023 | Grace Epis Church San Francisco, CA | U | $2,500 | paid | Support 501(c)(3) organization | 202401349349102780 |
| 2023 | School Choice Wisconsin Wast Allis, WI | C | $2,500 | paid | Support 501(c)(3) organization | 202401349349102780 |
| 2023 | Addiction Education Society Inc San Mateo, CA | B | $2,500 | paid | Support 501(c)3 organization | 202401349349102780 |
| 2023 | Mills-Peninsula Hospital Foundation Sacramento, CA | B | $1,000 | paid | Support 501(c)3 organization | 202401349349102780 |
| 2023 | Kqed Inc San Francisco, CA | B | $1,000 | paid | Support 501(c)3 organization | 202401349349102780 |
| 2023 | St Bernard's Academy Foundation Eureka, CA | B | $1,000 | paid | Support 501(c)(3) organization | 202401349349102780 |
| 2023 | Kidsave International Inc Culver City, CA | B | $750 | paid | Support 501(c)(3) organization | 202401349349102780 |
| 2023 | International Elephant Foundation Azle, TX | B | $750 | paid | Support 501(c)(3) organization | 202401349349102780 |
| 2022 | Cathedral School Alumni Association Clinton, MD | C | $20,000 | paid | Support 501(c)(3) organization | 202420169349101252 |
| 2022 | San Francisco Zoological Society San Francisco, CA | B | $17,000 | paid | Support 501(c)(3) organization | 202420169349101252 |
| 2022 | Peninsula Open Space Trust Palo Alto, CA | B | $7,500 | paid | Support 501(c)(3) organization | 202420169349101252 |
| 2022 | Special Ops Sv Inc Los Altos, CA | D | $7,500 | paid | Support 501(c)(3) organization | 202420169349101252 |
| 2022 | Friends of Coos County Animals Inc Coos Bay, OR | B | $5,000 | paid | Support 501(c)(3) organization | 202420169349101252 |
| 2022 | Fine Arts Museums Foundation San Francisco, CA | B | $5,000 | paid | Support 501(c)(3) organization | 202420169349101252 |
| 2022 | Kidsave International Inc Culver City, CA | B | $3,500 | paid | Support 501(c)(3) organization | 202420169349101252 |
| 2022 | Ucsf Foundation Investment Company San Francisco, CA | C | $3,000 | paid | Support 501(c)(3) organization | 202420169349101252 |
| 2022 | Primrose Foundation Chicago, IL | B | $2,500 | paid | Support 501(c)(3) organization | 202420169349101252 |
| 2022 | Institute for Justice Arlington, VA | B | $2,500 | paid | Support 501(c)(3) organization | 202420169349101252 |
| 2022 | Meals On Wheels of Contra Costa Inc Martinez, CA | B | $2,500 | paid | Support 501(c)(3) organization | 202420169349101252 |
| 2022 | The Naval Institute Foundation Inc Annapolis, MD | B | $2,500 | paid | Support 501(c)(3) organization | 202420169349101252 |
| 2022 | The Gilder Lehrman Institute New York, NY | D | $2,000 | paid | Support 501(c)(3) organization | 202420169349101252 |
| 2022 | St Bernard's Academy Foundation Eureka, CA | B | $1,000 | paid | Support 501(c)(3) organization | 202420169349101252 |
| 2021 | Mayo Clinic Rochester, MN | U | $25,000 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | Hillsborough Garden Club Burlingame, CA | B | $10,000 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | San Francisco Zoological Society San Francisco, CA | B | $10,000 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | Special Ops Sv Inc Los Altos, CA | D | $7,500 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | The Leukemia Lymphoma Society Rye Brook, NY | U | $5,000 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | Peninsula Open Space Trust Palo Alto, CA | B | $5,000 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | Ucsf Foundation Investment Company San Francisco, CA | C | $3,000 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | The Baker Institute for Children Palo Alto, CA | D | $2,500 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | Friends of Coos County Animals Inc Coos Bay, OR | B | $2,500 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | San Francisco Family Foundation San Rafael, CA | C | $2,500 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | St Anthony Trust of Hartford Inc Ithaca, NY | U | $2,500 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | Primrose Foundation Chicago, IL | B | $2,500 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | Institute for Justice Arlington, VA | B | $2,500 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | The Marine Mammal Center Sausalito, CA | B | $2,500 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | Addiction Education Society Inc San Mateo, CA | B | $2,500 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | Mounted Patrol of San Mateo County Woodside, CA | C | $2,500 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | Natural Resources Defense Council I New York, NY | C | $2,500 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | The Gilder Lehrman Institute New York, NY | D | $2,000 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | Kqed Inc San Francisco, CA | B | $2,000 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | Filoli Center Woodside, CA | B | $2,000 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | Mills-Peninsula Hospital Foundation Sacramento, CA | B | $1,000 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | St Bernard's Academy Foundation Eureka, CA | B | $1,000 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | Peninsula Humane Society Spca Burlingame, CA | C | $1,000 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2021 | Pacific Horticulture Society Berkeley, CA | B | $1,000 | paid | Support 501(c)3 organization | 202242459349101009 |
| 2020 | Mayo Clinic Rochester, MN | U | $25,000 | paid | Support 501(c)3 organization | 202113169349102956 |
| 2020 | Cathedral School for Boys San Francisco, CA | U | $15,000 | paid | Support 501(c)3 organization | 202113169349102956 |
| 2020 | Peninsula Open Space Trust Palo Alto, CA | B | $5,000 | paid | Support 501(c)3 organization | 202113169349102956 |
| 2020 | St Anthony Trust of Hartford Chapel Hill, NC | U | $5,000 | paid | Support 501(c)3 organization | 202113169349102956 |
| 2020 | Earthwatch Institute Boston, MA | C | $5,000 | paid | Support 501(c)3 organization | 202113169349102956 |
| 2020 | The Marine Memorial Center San Francisco, CA | U | $3,000 | paid | Support 501(c)3 organization | 202113169349102956 |
| 2020 | Ucsf Cardiology Council San Francisco, CA | U | $3,000 | paid | Support 501(c)3 organization | 202113169349102956 |
| 2020 | Filoli Center Woodside, CA | B | $2,000 | paid | Support 501(c)3 organization | 202113169349102956 |
| 2020 | St Bernards School Tracy, CA | C | $1,000 | paid | Support 501(c)3 organization | 202113169349102956 |
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 | 202631259349103123 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.1 | 202541439349101014 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.0 | 202401349349102780 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202420169349101252 |
| 990PF | 2021 | 2021-12-31 | not stated | 2021v4.0 | 202242459349101009 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.0 | 202113169349102956 |
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/201511055.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.