Funding search · EIN 260873138 · Greenville, DE
Donald & Martha Dewees 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.
- 59
- grants reported
- $2.2M
- total given
- 2022–2025
- filing years
- $20,000
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
fundraiserservicetrainingdeweydelawaredrivefloridahistorical
Full IRS filings ↗How this is builtReport an error
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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2 grants matching “dewey” · $24,000
- $12,000
Cash Canines Assisting Service Heroes · Dover, DE · 2023
Service dog training (dewey)
- $12,000
Cash Canines Assisting Service Heroes · Dover, DE · 2022
Service dog training (dewey)
Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- Biggs Museum2 grants · $500,000
- Humane Animal Partners De2 grants · $270,000
- Owls Nest Fund2 grants · $230,000
- Leukemia Lymphoma Soc2 grants · $150,000
- De Historical Society2 grants · $130,000
- First Comm Foundation2 grants · $100,000
- Talon Reach Foundation2 grants · $100,000
- Delaware Art Museum4 grants · $96,500
- The Challenge Program1 grant · $75,000
- American Red Cross2 grants · $50,000
Giving over time
Grant history
All 59 reported grants, largest first.
- $250,000
Biggs Museum · Dover, DE · 2025
Operations
- $250,000
Humane Animal Partners De · Wilmington, DE · 2025
Operations
- $250,000
Biggs Museum · Dover, DE · 2024
Operations
- $210,000
Owls Nest Fund · Wilmington, DE · 2024
Operations
- $100,000
Leukemia Lymphoma Soc · New York, NY · 2024
Annual fundraiser
- $75,000
The Challenge Program · Wilmington, DE · 2025
Operations
- $65,000
De Historical Society · Wilmington, DE · 2025
Operations
- $65,000
De Historical Society · Wilmington, DE · 2024
Operations
- $50,000
First Comm Foundation · Wilmington, DE · 2025
Operations
- $50,000
Leukemia Lymphoma Soc · New York, NY · 2025
Annual fundraiser
- $50,000
Talon Reach Foundation · Three Forks, MT · 2025
Operations
- $50,000
Ymca of De · Wilmington, DE · 2025
Operations
- $50,000
First Comm Foundation · Wilmington, DE · 2024
Operations
- $50,000
Talon Reach Foundation · Three Forks, MT · 2024
Operations
- $40,000
Delaware Art Museum · Wilmington, DE · 2025
Operations
- $40,000
American Red Cross · Wilmington, DE · 2024
Operations
- $35,000
Ronald McDonald House Charities · Wilmington, DE · 2024
Operations
- $31,000
Delaware Art Museum · Wilmington, DE · 2023
Operations
- $25,000
Camphill Village · Kimberton, PA · 2025
Operations
- $25,000
Mans Legacy Foundation · Greenville, DE · 2025
Operations
- $25,000
Plastic Free Delaware-Summer Sponsor · Wilmington, DE · 2025
Operations
- $25,000
Samaritans Purse · Boone, NC · 2025
Operations
- $25,000
Camphill Village · Kimberton, PA · 2024
Operations
- $25,000
Leukemia Lymphoma Society · New York, NY · 2023
Annual fundraiser
- $20,000
Salesianum School · Wilmington, DE · 2025
Operations
- $20,000
Serafin Presents · Wilmington, DE · 2025
Operations
- $20,000
Com Fdn of Western Nc · Asheville, NC · 2024
Operations
- $20,000
Humane Animal Partners De · Wilmington, DE · 2024
Operations
- $20,000
Salesianum School · Wilmington, DE · 2024
Operations
- $20,000
Delaware Historical Society · Wilmington, DE · 2023
Operations
- $20,000
Owls Nest Fund · Greenville, DE · 2022
Historical repair/maintenance
- $15,500
Delaware Art Museum · Wilmington, DE · 2022
Operations
- $15,000
Delaware Nature Society · Hockessin, DE · 2025
Operations
- $15,000
Friends of Canby Grove Park · Wilmington, DE · 2025
Operations
- $15,000
Friends of John Dickinson Mansion · Dover, DE · 2025
Operations
- $15,000
The Kennett Pike Association · Wilmington, DE · 2025
Operations
- $15,000
Kennett Pike Association · Wilmington, DE · 2024
Operations
- $13,396
De Audobon · Newark, DE · 2025
Operations
- $12,000
Cash Canines Assisting Service Heros · Dover, DE · 2024
Service dog training
- $12,000
Cash Canines Assisting Service Heroes · Dover, DE · 2023
Service dog training (dewey)
- $12,000
Cash Canines Assisting Service Heroes · Dover, DE · 2022
Service dog training (dewey)
- $10,000
Hagley Museum & Library-Crowninshield Garden · Wilmington, DE · 2025
Operations
- $10,000
Delaware Art Museum · Wilmington, DE · 2024
Operations
- $10,000
Samaritans Purse · Boone, NC · 2023
Operations
- $10,000
American Red Cross · Boone, IA · 2022
Florida hurricane relief
- $10,000
Learn To Read Foundation Llc · Greenville, DE · 2022
Operations
- $5,500
Biggs Museum of American Art · Dover, DE · 2022
Operations
- $5,200
De Horticulture · Wilmington, DE · 2024
Operations
- $5,089
De Wild Lands · Townsend, DE · 2025
Operations
- $5,000
Coalition Salute American Heros · Williamsburg, VA · 2025
Operations
- $5,000
Leukemia Lymphoma Society · New York, NY · 2022
Lavaman triathalon fundraiser
- $2,500
Stop Soldier Suicide · Raleigh, NC · 2025
Operations
- $2,000
Childrens Beach House · Wilmington, DE · 2023
Operations
- $2,000
East Coast Greenway Alliance · Durham, NC · 2022
Fundraiser
- $1,100
Childrens Beach House · Wilmington, DE · 2024
Operations
- $1,000
Colel Chabad · Brooklyn, NY · 2024
Operations
- $500
Make-a-Wish Foundation · Wilmington, DE · 2022
Operations
- $500
Toys for Tots Delaware · Triangle, VA · 2022
Delaware fund drive
- $264
Tunnel To Towers · Staten Island, NY · 2024
Operations
Who else funds this kind of work
Same state
- Shelby Cullom Davis Charitable Fund342 grants · $394.8M
- Longwood Foundation329 grants · $152.1M
- American Gift Fund4,670 grants · $227.2M
Similar purposes
- Eugene & Marilyn Glick Foundation724 grants · $75.6M
- Andreas Foundation474 grants · $18.1M
- The Allen & Eve Foundation63 grants · $19.1M
Similar grant size
- Ohio Child Care Resource and Referral16,278 grants · $1.08B
- Gs Donor Advised Philanthropy Fund19,135 grants · $6.79B
- Paypal Charitable Giving Fund32,081 grants · $1.40B
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.

