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Data / Foundation grants / Harriet Ruth Mackay Charitable Trust

Harriet Ruth Mackay Charitable Trust: 10 grants to organizations, $21,100 (tax year ended August 2025)

Harriet Ruth Mackay Charitable Trust, a private foundation in Brooklyn, OH, paid 10 grants to organizations totaling $21,100 in its tax year ended August 2025, according to its Form 990-PF filed with the IRS on December 23, 2025. The largest was $2,110 to Care in Atlanta, GA for general operating.

SpecStream is the live web data engine for teams and agents. It reads every private foundation's Form 990-PF as the IRS publishes it, and this page is that reading. Ask for the foundations that fund your cause in your state, with the amounts and purposes, and new grants arrive in your sheet, CRM, Slack or agent as the returns are filed.

EIN
016088406
Based in
Brooklyn, OH
Assets
$482,928
Grants paid
$21,100
Tax year ended
August 2025

Grants paid, tax year ended August 2025

From the Form 990-PF filed December 23, 2025, IRS object ID 202543579349100869. It reported $21,100 in grants paid; 10 grants to organizations are listed.

RecipientLocationPurposeCauseAmountSource
CareAtlanta, GAGeneral operating$2,110apps.irs.gov
Dooley Foundation IntermedForest Hills, NYGeneral operating$2,110apps.irs.gov
Greenpeace USA IncWashington, DCGeneral operating$2,110apps.irs.gov
Humane Society of the UsWashington, DCGeneral operating$2,110apps.irs.gov
Int'l Fund for Animal WelfareYarmouth Port, MAGeneral operating$2,110apps.irs.gov
Int'l Society for Animal RightsClark Summit, PAGeneral operating$2,110apps.irs.gov
North Shore Animal Leag AmericaPort Washington, NYGeneral operating$2,110apps.irs.gov
Sierra Club FoundationOakland, CAGeneral operatingEnvironment$2,110apps.irs.gov
The Cousteau Society IncNew York, NYGeneral operating$2,110apps.irs.gov
World Wildlife Fund IncWashington, DCGeneral operatingEnvironment$2,110apps.irs.gov

Grants paid, tax year ended August 2024

From the Form 990-PF filed January 15, 2025, IRS object ID 202520159349100322. It reported $18,440 in grants paid; 10 grants to organizations are listed.

RecipientLocationPurposeCauseAmountSource
CareAtlanta, GAGeneral operating$1,844apps.irs.gov
Dooley Foundation IntermedForest Hills, NYGeneral operating$1,844apps.irs.gov
Greenpeace USA IncWashington, DCGeneral operating$1,844apps.irs.gov
Humane Society of the UsWashington, DCGeneral operating$1,844apps.irs.gov
Int'l Fund for Animal WelfareYarmouth Port, MAGeneral operating$1,844apps.irs.gov
Int'l Society for Animal RightsClark Summit, PAGeneral operating$1,844apps.irs.gov
North Shore Animal Leag AmericaPort Washington, NYGeneral operating$1,844apps.irs.gov
Sierra Club FoundationOakland, CAGeneral operatingEnvironment$1,844apps.irs.gov
The Cousteau Society IncEtna, NHGeneral operating$1,844apps.irs.gov
World Wildlife Fund IncWashington, DCGeneral operatingEnvironment$1,844apps.irs.gov

Causes funded

From grants whose recipient has a cause.

CauseGranted
Environment$7,908

States funded

Recipient stateGranted
District of Columbia$11,862
New York$10,018
Georgia$3,954
Massachusetts$3,954
Pennsylvania$3,954
California$3,954
New Hampshire$1,844

Also on SpecStream

Updated December 23, 2025. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.