Grants paid by Harriet Ruth Mackay Charitable Trust
EIN 01-6088406 · Brooklyn, OH · Form 990-PF, Part XV
Harriet Ruth Mackay Charitable Trust of Brooklyn, OH (EIN 01-6088406) reported 50 grants paid totaling $70,760 to 12 recipients in tax years 2021–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$70,760
50 grants
Recipients
12
distinct organizations
Tax years
2021–2025
5 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2021 | 10 | $7,900 | — |
| 2022 | 10 | $2,510 | — |
| 2023 | 10 | $20,810 | — |
| 2024 | 10 | $18,440 | — |
| 2025 | 10 | $21,100 | — |
Top recipients
The 12 recipients receiving the most from Harriet Ruth Mackay Charitable Trust, by grants paid, out of 12 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Sierra Club Foundation 94-6069890 | B | Oakland, CA | 5 | $7,076 | 2025 |
| North Shore Animal Leag America 11-1666852 | C | Port Washington, NY | 5 | $7,076 | 2025 |
| Humane Society of the US | U | Washington, DC | 5 | $7,076 | 2025 |
| Care 85-2463066 | D | Atlanta, GA | 5 | $7,076 | 2025 |
| World Wildlife Fund Inc 52-1693387 | B | Washington, DC | 5 | $7,076 | 2025 |
| Int'l Society for Animal Rights 53-0257197 | B | Clark Summit, PA | 5 | $7,076 | 2025 |
| Int'l Fund for Animal Welfare 31-1594197 | B | Yarmouth Port, MA | 5 | $7,076 | 2025 |
| Dooley Foundation Intermed | U | Forest Hills, NY | 5 | $7,076 | 2025 |
| Greenpeace USA Inc | U | Washington, DC | 4 | $4,966 | 2024 |
| The Cousteau Society Inc | U | Etna, NH | 4 | $4,966 | 2024 |
| The Cousteau Society Inc | U | New York, NY | 1 | $2,110 | 2025 |
| Greenpeace USA Inc 52-1541501 | C | Washington, DC | 1 | $2,110 | 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 50 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Humane Society of the US Washington, DC | U | $2,110 | paid | GENERAL OPERATING | 202543579349100869 |
| 2025 | Int'l Fund for Animal Welfare Yarmouth Port, MA | B | $2,110 | paid | GENERAL OPERATING | 202543579349100869 |
| 2025 | Int'l Society for Animal Rights Clark Summit, PA | B | $2,110 | paid | GENERAL OPERATING | 202543579349100869 |
| 2025 | World Wildlife Fund Inc Washington, DC | B | $2,110 | paid | GENERAL OPERATING | 202543579349100869 |
| 2025 | Dooley Foundation Intermed Forest Hills, NY | U | $2,110 | paid | GENERAL OPERATING | 202543579349100869 |
| 2025 | Care Atlanta, GA | D | $2,110 | paid | GENERAL OPERATING | 202543579349100869 |
| 2025 | The Cousteau Society Inc New York, NY | U | $2,110 | paid | GENERAL OPERATING | 202543579349100869 |
| 2025 | Sierra Club Foundation Oakland, CA | B | $2,110 | paid | GENERAL OPERATING | 202543579349100869 |
| 2025 | North Shore Animal Leag America Port Washington, NY | C | $2,110 | paid | GENERAL OPERATING | 202543579349100869 |
| 2025 | Greenpeace USA Inc Washington, DC | C | $2,110 | paid | GENERAL OPERATING | 202543579349100869 |
| 2024 | Greenpeace USA Inc Washington, DC | U | $1,844 | paid | GENERAL OPERATING | 202520159349100322 |
| 2024 | Humane Society of the US Washington, DC | U | $1,844 | paid | GENERAL OPERATING | 202520159349100322 |
| 2024 | Sierra Club Foundation Oakland, CA | B | $1,844 | paid | GENERAL OPERATING | 202520159349100322 |
| 2024 | World Wildlife Fund Inc Washington, DC | B | $1,844 | paid | GENERAL OPERATING | 202520159349100322 |
| 2024 | Care Atlanta, GA | D | $1,844 | paid | GENERAL OPERATING | 202520159349100322 |
| 2024 | Int'l Fund for Animal Welfare Yarmouth Port, MA | B | $1,844 | paid | GENERAL OPERATING | 202520159349100322 |
| 2024 | The Cousteau Society Inc Etna, NH | U | $1,844 | paid | GENERAL OPERATING | 202520159349100322 |
| 2024 | North Shore Animal Leag America Port Washington, NY | C | $1,844 | paid | GENERAL OPERATING | 202520159349100322 |
| 2024 | Dooley Foundation Intermed Forest Hills, NY | U | $1,844 | paid | GENERAL OPERATING | 202520159349100322 |
| 2024 | Int'l Society for Animal Rights Clark Summit, PA | B | $1,844 | paid | GENERAL OPERATING | 202520159349100322 |
| 2023 | Sierra Club Foundation Oakland, CA | B | $2,081 | paid | GENERAL OPERATING | 202430169349101008 |
| 2023 | North Shore Animal Leag America Port Washington, NY | C | $2,081 | paid | GENERAL OPERATING | 202430169349101008 |
| 2023 | The Cousteau Society Inc Etna, NH | U | $2,081 | paid | GENERAL OPERATING | 202430169349101008 |
| 2023 | Dooley Foundation Intermed Forest Hills, NY | U | $2,081 | paid | GENERAL OPERATING | 202430169349101008 |
| 2023 | Int'l Fund for Animal Welfare Yarmouth Port, MA | B | $2,081 | paid | GENERAL OPERATING | 202430169349101008 |
| 2023 | Int'l Society for Animal Rights Clark Summit, PA | B | $2,081 | paid | GENERAL OPERATING | 202430169349101008 |
| 2023 | Care Atlanta, GA | D | $2,081 | paid | GENERAL OPERATING | 202430169349101008 |
| 2023 | Humane Society of the US Washington, DC | U | $2,081 | paid | GENERAL OPERATING | 202430169349101008 |
| 2023 | World Wildlife Fund Inc Washington, DC | B | $2,081 | paid | GENERAL OPERATING | 202430169349101008 |
| 2023 | Greenpeace USA Inc Washington, DC | U | $2,081 | paid | GENERAL OPERATING | 202430169349101008 |
| 2022 | Care Atlanta, GA | D | $251 | paid | GENERAL OPERATING | 202300129349100300 |
| 2022 | Int'l Fund for Animal Welfare Yarmouth Port, MA | B | $251 | paid | GENERAL OPERATING | 202300129349100300 |
| 2022 | The Cousteau Society Inc Etna, NH | U | $251 | paid | GENERAL OPERATING | 202300129349100300 |
| 2022 | World Wildlife Fund Inc Washington, DC | B | $251 | paid | GENERAL OPERATING | 202300129349100300 |
| 2022 | Greenpeace USA Inc Washington, DC | U | $251 | paid | GENERAL OPERATING | 202300129349100300 |
| 2022 | Dooley Foundation Intermed Forest Hills, NY | U | $251 | paid | GENERAL OPERATING | 202300129349100300 |
| 2022 | Int'l Society for Animal Rights Clark Summit, PA | B | $251 | paid | GENERAL OPERATING | 202300129349100300 |
| 2022 | Sierra Club Foundation Oakland, CA | B | $251 | paid | GENERAL OPERATING | 202300129349100300 |
| 2022 | Humane Society of the US Washington, DC | U | $251 | paid | GENERAL OPERATING | 202300129349100300 |
| 2022 | North Shore Animal Leag America Port Washington, NY | C | $251 | paid | GENERAL OPERATING | 202300129349100300 |
| 2021 | Dooley Foundation Intermed Forest Hills, NY | U | $790 | paid | GENERAL OPERATING | 202210119349101201 |
| 2021 | The Cousteau Society Inc Etna, NH | U | $790 | paid | GENERAL OPERATING | 202210119349101201 |
| 2021 | Care Atlanta, GA | D | $790 | paid | GENERAL OPERATING | 202210119349101201 |
| 2021 | Int'l Fund for Animal Welfare Yarmouth Port, MA | B | $790 | paid | GENERAL OPERATING | 202210119349101201 |
| 2021 | Int'l Society for Animal Rights Clark Summit, PA | B | $790 | paid | GENERAL OPERATING | 202210119349101201 |
| 2021 | Sierra Club Foundation Oakland, CA | B | $790 | paid | GENERAL OPERATING | 202210119349101201 |
| 2021 | North Shore Animal Leag America Port Washington, NY | C | $790 | paid | GENERAL OPERATING | 202210119349101201 |
| 2021 | Greenpeace USA Inc Washington, DC | U | $790 | paid | GENERAL OPERATING | 202210119349101201 |
| 2021 | Humane Society of the US Washington, DC | U | $790 | paid | GENERAL OPERATING | 202210119349101201 |
| 2021 | World Wildlife Fund Inc Washington, DC | C | $790 | paid | GENERAL OPERATING | 202210119349101201 |
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 | 2025-08-31 | not stated | 2024v5.2 | 202543579349100869 |
| 990PF | 2024 | 2024-08-31 | not stated | 2023v6.0 | 202520159349100322 |
| 990PF | 2023 | 2023-08-31 | not stated | 2022v5.0 | 202430169349101008 |
| 990PF | 2022 | 2022-08-31 | not stated | 2021v4.1 | 202300129349100300 |
| 990PF | 2021 | 2021-08-31 | not stated | 2020v4.1 | 202210119349101201 |
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/016088406.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.