Funding search · EIN 223894171 · Warrenville, IL
Thomas O Brown Foundation
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 38
- grants reported
- $791,000
- total given
- 2022–2024
- filing years
- $17,500
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
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Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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3 grants matching “palouse” · $55,000
- $10,000
Palouse Land Trust · Moscow, ID · 2024
Land conservation of the palouse region
- $30,000
Palouse Land Trust · Moscow, ID · 2023
Land conservation of the palouse region
- $15,000
Palouse Land Trust · Moscow, ID · 2022
Land conservation of the palouse region
Grant history
All 38 reported grants, largest first.
- $60,000
Glacier National Park Conservancy · Columbia Falls, MT · 2024
Preservation of park lands
- $50,000
Glacier National Park Conservancy · Columbia Falls, MT · 2023
Preservation of park lands
- $50,000
Glacier National Park Conservancy · Columbia Falls, MT · 2022
Preservation of park lands
- $40,000
National Parks Conservation Association · Washington, DC · 2024
Preservation of land/wildlife
- $30,000
Grand Teton National Park Foundation · Moose, WY · 2024
Park preservation
- $30,000
Greater Yellowstone Coalition · Bozeman, MT · 2024
Preservation of land/wildlife
- $30,000
Greater Yellowstone Coalition · Bozeman, MT · 2023
Preservation of land/wildlife
- $30,000
Palouse Land Trust · Moscow, ID · 2023
Land conservation of the palouse region
- $30,000
Greater Yellowstone Coalition · Bozeman, MT · 2022
Preservation of land/wildlife
- $26,500
Tart Trails · Traverse City, MI · 2023
Enrich the traverse region by providing a network of trails, bikeways, and pedestrian ways
- $25,000
Grand Teton Nat Park Fdn · Moose, WY · 2023
Park preservation
- $25,000
National Parks Conservation Assn · Washington, DC · 2023
Preservation of land/wildlife
- $25,000
Grand Teton Nat Park Fdn · Moose, WY · 2022
Park preservation
- $25,000
National Parks Conservation Assn · Washington, DC · 2022
Preservation of land/wildlife
- $25,000
Public Land Alliance · Washington, DC · 2022
National parks preservation
- $20,000
Rocky Mountain Conservancy · Estes Park, CO · 2024
National parks preservation
- $20,000
Washington'S National Park Fund · Seattle, WA · 2024
Preservation of mt. Rainier, north cascades, and olympic national parks
- $20,000
Tart Trails · Traverse City, MI · 2022
Enrich the traverse region by providing a network of trails, bikeways, and pedestrian ways
- $20,000
Texas Parks and Wildlife Foundation · Dallas, TX · 2022
National parks preservation
- $15,000
Save the Redwoods League · San Francisco, CA · 2024
Protect and conserve redwood trees
- $15,000
Rocky Mountain Conservancy · Estes Park, CO · 2023
National parks preservation
- $15,000
Save the Redwoods League · San Francisco, CA · 2023
Protect and conserve redwood trees
- $15,000
Texas Parks and Wildlife Foundation · Dallas, TX · 2023
National parks preservation
- $15,000
Palouse Land Trust · Moscow, ID · 2022
Land conservation of the palouse region
- $15,000
Rocky Mountain Conservancy · Estes Park, CO · 2022
National parks preservation
- $15,000
Save the Redwoods League · San Francisco, CA · 2022
Protect and conserve redwood trees
- $15,000
Zion National Park Forever Project · Springdale, UT · 2022
To promote enviromental conservation
- $13,500
Tart Trails · Traverse City, MI · 2024
Enrich the traverse region by providing a network of trails, bikeways, and pedestrian ways
- $13,000
Washington'S National Park Fund · Seattle, WA · 2022
Preservation of mt. Rainier, north cascades, and olympic national parks
- $10,000
Palouse Land Trust · Moscow, ID · 2024
Land conservation of the palouse region
- $10,000
Public Land Alliance · Washington, DC · 2024
National parks preservation
- $10,000
Public Land Alliance · Washington, DC · 2023
National parks preservation
- $10,000
Washington'S National Park Fund · Seattle, WA · 2023
Preservation of mt. Rainier, north cascades, and olympic national parks
- $10,000
Zion National Park Forever Project · Springdale, UT · 2023
To promote enviromental conservation
- $10,000
Latah Trail Foundation · Moscow, ID · 2022
Promote safe non-motorized transportation in latah county
- $1,000
National Park Foundation · Baltimore, MD · 2024
National parks preservation
- $1,000
National Park Foundation · Washington, DC · 2023
National parks preservation
- $1,000
National Park Foundation · Washington, DC · 2022
National parks preservation
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.

