Grants paid by Donald and Martha Dewees Foundation
EIN 26-0873138 · Greenville, DE · Form 990-PF, Part XV · NTEE T22
Donald and Martha Dewees Foundation of Greenville, DE (EIN 26-0873138) reported 102 grants paid totaling $2,364,849 to 58 recipients in tax years 2018–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$2,364,849
102 grants
Recipients
58
distinct organizations
Tax years
2018–2025
8 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 7 | $38,000 | — |
| 2019 | 13 | $38,400 | — |
| 2020 | 15 | $41,200 | — |
| 2021 | 8 | $20,700 | — |
| 2022 | 10 | $81,000 | — |
| 2023 | 6 | $100,000 | — |
| 2024 | 19 | $929,564 | — |
| 2025 | 24 | $1,115,985 | — |
Top recipients
The 58 recipients receiving the most from Donald and Martha Dewees Foundation, by grants paid, out of 58 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Biggs Museum | U | Dover, DE | 2 | $500,000 | 2025 |
| Humane Animal Partners de 88-2921386 | C | Wilmington, DE | 2 | $270,000 | 2025 |
| Owls Nest Fund | U | Greenville, DE | 2 | $230,000 | 2024 |
| Leukemia Lymphoma Soc | U | New York, NY | 4 | $180,000 | 2025 |
| De Historical Society | U | Wilmington, DE | 2 | $130,000 | 2025 |
| Delaware Art Museum 51-0065746 | B | Wilmington, DE | 8 | $123,500 | 2025 |
| First Comm Foundation 20-4215109 | D | Wilmington, DE | 2 | $100,000 | 2025 |
| Talon Reach Foundation | U | Three Forks, MT | 2 | $100,000 | 2025 |
| The Challenge Program 51-0386369 | B | Wilmington, DE | 1 | $75,000 | 2025 |
| Camphill Village | U | Kimberton, PA | 2 | $50,000 | 2025 |
| YMCA of de | U | Wilmington, DE | 1 | $50,000 | 2025 |
| Delaware Historical Society | U | Wilmington, DE | 5 | $41,300 | 2023 |
| American Red Cross | U | Wilmington, DE | 1 | $40,000 | 2024 |
| Salesianum School 51-0066743 | B | Wilmington, DE | 2 | $40,000 | 2025 |
| Samaritans Purse 58-1437002 | B | Boone, NC | 2 | $35,000 | 2025 |
| Ronald Mcdonald House Charities 51-0295320 | D | Wilmington, DE | 1 | $35,000 | 2024 |
| Christiana Care Health System 52-1479538 | C | Wilmington, DE | 3 | $31,000 | 2020 |
| The Kennett Pike Association 23-7035849 | B | Wilmington, DE | 2 | $30,000 | 2025 |
| Kalmar Nyckel Foundation 51-6015181 | B | Wilmington, DE | 3 | $25,500 | 2020 |
| Mans Legacy Foundation | U | Greenville, DE | 1 | $25,000 | 2025 |
| Plastic Free Delaware-Summer Sponsor 85-2916447 | D | Wilmington, DE | 1 | $25,000 | 2025 |
| Cash Canines Assisting Service Heroes | U | Dover, DE | 2 | $24,000 | 2023 |
| Com Fdn of Western Nc | U | Asheville, NC | 1 | $20,000 | 2024 |
| Serafin Presents Inc 99-4302043 | B | Wilmington, DE | 1 | $20,000 | 2025 |
| Delaware Nature Society 51-6018321 | B | Hockessin, DE | 1 | $15,000 | 2025 |
| Friends of John Dickinson Mansion 23-7193421 | D | Dover, DE | 1 | $15,000 | 2025 |
| Friends of Canby Grove Park 35-2342182 | C | Wilmington, DE | 1 | $15,000 | 2025 |
| Biggs Museum of American Art | U | Dover, DE | 3 | $13,500 | 2022 |
| De Audobon | U | Newark, DE | 1 | $13,396 | 2025 |
| Cash Canines Assisting Service Heros | U | Dover, DE | 1 | $12,000 | 2024 |
| Learn to Read Foundation LLC | U | Greenville, DE | 3 | $11,250 | 2022 |
| Hagley Museum & Library-Crowninshield Garden | U | Wilmington, DE | 1 | $10,000 | 2025 |
| American Red Cross | U | Boone, IA | 1 | $10,000 | 2022 |
| Leukemia & Lymphoma Society | U | Wilmington, DE | 3 | $6,750 | 2020 |
| De Horticulture | U | Wilmington, DE | 1 | $5,200 | 2024 |
| De Wild Lands | U | Townsend, DE | 1 | $5,089 | 2025 |
| Leukemia & Lymphoma Society | U | New York, NY | 1 | $5,000 | 2021 |
| Coalition Salute American Heros | U | Williamsburg, VA | 1 | $5,000 | 2025 |
| Bucknell University | U | Lewisburg, PA | 3 | $3,500 | 2020 |
| Childrens Beach House 51-0070966 | C | Wilmington, DE | 2 | $3,100 | 2024 |
| East Coast Greenway Alliance 04-3326812 | C | Durham, NC | 2 | $3,000 | 2022 |
| Stop Soldier Suicide 27-3512119 | C | Raleigh, NC | 1 | $2,500 | 2025 |
| Jerry K Grossman Social Justice Fund | U | Washington, DC | 3 | $2,250 | 2020 |
| Leadership Delaware Inc 26-3527196 | C | Rockland, DE | 2 | $1,500 | 2020 |
| Bellevue Community Center | U | Wilmington, DE | 2 | $1,100 | 2019 |
| Frank E Schoonover Fund Inc | U | Greenville, DE | 1 | $1,000 | 2018 |
| Canaan Baptist Church 05-0554257 | B | New Castle, DE | 2 | $1,000 | 2020 |
| Colel Chabad 11-3254483 | B | Brooklyn, NY | 1 | $1,000 | 2024 |
| St Elizabeth School | U | Wilmington, DE | 1 | $500 | 2021 |
| Toys for Tots Delaware | U | Triangle, VA | 1 | $500 | 2022 |
| Make-a-Wish Foundation | U | Wilmington, DE | 1 | $500 | 2022 |
| Tunnel to Towers | U | Staten Island, NY | 1 | $264 | 2024 |
| Faithful Friends 51-0410508 | C | Wilmington, DE | 1 | $200 | 2019 |
| Junior Achievement of Delaware 51-0078199 | B | Wilmington, DE | 1 | $100 | 2018 |
| Delaware Humane Association 51-0082499 | B | Wilmington, DE | 1 | $100 | 2019 |
| Dar Caesar Rodney Chapter | U | Washington, DC | 1 | $100 | 2019 |
| The Meeting Place 80-0297832 | C | West Palm Beach, FL | 1 | $100 | 2021 |
| First Unitarian Church 51-6000113 | B | Wilmington, DE | 1 | $50 | 2020 |
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 102 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Biggs Museum Dover, DE | U | $250,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | Humane Animal Partners de Wilmington, DE | C | $250,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | The Challenge Program Wilmington, DE | B | $75,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | De Historical Society Wilmington, DE | U | $65,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | YMCA of de Wilmington, DE | U | $50,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | Talon Reach Foundation Three Forks, MT | U | $50,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | Leukemia Lymphoma Soc New York, NY | U | $50,000 | paid | ANNUAL FUNDRAISER | 202611039349100801 |
| 2025 | First Comm Foundation Wilmington, DE | D | $50,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | Delaware Art Museum Wilmington, DE | B | $40,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | Samaritans Purse Boone, NC | B | $25,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | Camphill Village Kimberton, PA | U | $25,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | Mans Legacy Foundation Greenville, DE | U | $25,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | Plastic Free Delaware-Summer Sponsor Wilmington, DE | D | $25,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | Serafin Presents Inc Wilmington, DE | B | $20,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | Salesianum School Wilmington, DE | B | $20,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | The Kennett Pike Association Wilmington, DE | B | $15,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | Delaware Nature Society Hockessin, DE | B | $15,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | Friends of Canby Grove Park Wilmington, DE | C | $15,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | Friends of John Dickinson Mansion Dover, DE | D | $15,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | De Audobon Newark, DE | U | $13,396 | paid | OPERATIONS | 202611039349100801 |
| 2025 | Hagley Museum & Library-Crowninshield Garden Wilmington, DE | U | $10,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | De Wild Lands Townsend, DE | U | $5,089 | paid | OPERATIONS | 202611039349100801 |
| 2025 | Coalition Salute American Heros Williamsburg, VA | U | $5,000 | paid | OPERATIONS | 202611039349100801 |
| 2025 | Stop Soldier Suicide Raleigh, NC | C | $2,500 | paid | OPERATIONS | 202611039349100801 |
| 2024 | Biggs Museum Dover, DE | U | $250,000 | paid | OPERATIONS | 202502199349100215 |
| 2024 | Owls Nest Fund Wilmington, DE | U | $210,000 | paid | OPERATIONS | 202502199349100215 |
| 2024 | Leukemia Lymphoma Soc New York, NY | U | $100,000 | paid | ANNUAL FUNDRAISER | 202502199349100215 |
| 2024 | De Historical Society Wilmington, DE | U | $65,000 | paid | OPERATIONS | 202502199349100215 |
| 2024 | Talon Reach Foundation Three Forks, MT | U | $50,000 | paid | OPERATIONS | 202502199349100215 |
| 2024 | First Comm Foundation Wilmington, DE | D | $50,000 | paid | OPERATIONS | 202502199349100215 |
| 2024 | American Red Cross Wilmington, DE | U | $40,000 | paid | OPERATIONS | 202502199349100215 |
| 2024 | Ronald Mcdonald House Charities Wilmington, DE | D | $35,000 | paid | OPERATIONS | 202502199349100215 |
| 2024 | Camphill Village Kimberton, PA | U | $25,000 | paid | OPERATIONS | 202502199349100215 |
| 2024 | Humane Animal Partners de Wilmington, DE | C | $20,000 | paid | OPERATIONS | 202502199349100215 |
| 2024 | Com Fdn of Western Nc Asheville, NC | U | $20,000 | paid | OPERATIONS | 202502199349100215 |
| 2024 | Salesianum School Wilmington, DE | B | $20,000 | paid | OPERATIONS | 202502199349100215 |
| 2024 | Kennett Pike Association Wilmington, DE | B | $15,000 | paid | OPERATIONS | 202502199349100215 |
| 2024 | Cash Canines Assisting Service Heros Dover, DE | U | $12,000 | paid | SERVICE DOG TRAINING | 202502199349100215 |
| 2024 | Delaware Art Museum Wilmington, DE | B | $10,000 | paid | OPERATIONS | 202502199349100215 |
| 2024 | De Horticulture Wilmington, DE | U | $5,200 | paid | OPERATIONS | 202502199349100215 |
| 2024 | Childrens Beach House Wilmington, DE | C | $1,100 | paid | OPERATIONS | 202502199349100215 |
| 2024 | Colel Chabad Brooklyn, NY | B | $1,000 | paid | OPERATIONS | 202502199349100215 |
| 2024 | Tunnel to Towers Staten Island, NY | U | $264 | paid | OPERATIONS | 202502199349100215 |
| 2023 | Delaware Art Museum Wilmington, DE | B | $31,000 | paid | OPERATIONS | 202403199349101915 |
| 2023 | Leukemia Lymphoma Society New York, NY | U | $25,000 | paid | ANNUAL FUNDRAISER | 202403199349101915 |
| 2023 | Delaware Historical Society Wilmington, DE | U | $20,000 | paid | OPERATIONS | 202403199349101915 |
| 2023 | Cash Canines Assisting Service Heroes Dover, DE | U | $12,000 | paid | SERVICE DOG TRAINING (DEWEY) | 202403199349101915 |
| 2023 | Samaritans Purse Boone, NC | B | $10,000 | paid | OPERATIONS | 202403199349101915 |
| 2023 | Childrens Beach House Wilmington, DE | C | $2,000 | paid | OPERATIONS | 202403199349101915 |
| 2022 | Owls Nest Fund Greenville, DE | U | $20,000 | paid | HISTORICAL REPAIR/MAINTENANCE | 202322349349100707 |
| 2022 | Delaware Art Museum Wilmington, DE | B | $15,500 | paid | OPERATIONS | 202322349349100707 |
| 2022 | Cash Canines Assisting Service Heroes Dover, DE | U | $12,000 | paid | SERVICE DOG TRAINING (DEWEY) | 202322349349100707 |
| 2022 | Learn to Read Foundation LLC Greenville, DE | U | $10,000 | paid | OPERATIONS | 202322349349100707 |
| 2022 | American Red Cross Boone, IA | U | $10,000 | paid | FLORIDA HURRICANE RELIEF | 202322349349100707 |
| 2022 | Biggs Museum of American Art Dover, DE | U | $5,500 | paid | OPERATIONS | 202322349349100707 |
| 2022 | Leukemia Lymphoma Society New York, NY | U | $5,000 | paid | LAVAMAN TRIATHALON FUNDRAISER | 202322349349100707 |
| 2022 | East Coast Greenway Alliance Durham, NC | C | $2,000 | paid | FUNDRAISER | 202322349349100707 |
| 2022 | Toys for Tots Delaware Triangle, VA | U | $500 | paid | DELAWARE FUND DRIVE | 202322349349100707 |
| 2022 | Make-a-Wish Foundation Wilmington, DE | U | $500 | paid | OPERATIONS | 202322349349100707 |
| 2021 | Delaware Historical Society Wilmington, DE | U | $5,100 | paid | CAPITAL CAMPAIGN - FINAL PLEDGE PAYMENT | 202231299349100713 |
| 2021 | Leukemia & Lymphoma Society New York, NY | U | $5,000 | paid | WOMAN OF THE YEAR CAMPAIGN - SUSAN MULVIHILL | 202231299349100713 |
| 2021 | Delaware Art Museum Wilmington, DE | B | $5,000 | paid | ANNUAL FUND | 202231299349100713 |
| 2021 | Biggs Museum of American Art Dover, DE | U | $3,000 | paid | DR EDWARD BURKA COLLECTION EXHIBITION "INVENTING ILLUSTRATIONS" | 202231299349100713 |
| 2021 | East Coast Greenway Alliance Durham, NC | C | $1,000 | paid | DEWEES/DELAWARE BOYS | 202231299349100713 |
| 2021 | Learn to Read Foundation LLC Greenville, DE | U | $1,000 | paid | OPERATIONS | 202231299349100713 |
| 2021 | St Elizabeth School Wilmington, DE | U | $500 | paid | TONI BATTAGLIA SCHOLARSHIP FUND | 202231299349100713 |
| 2021 | The Meeting Place West Palm Beach, FL | C | $100 | paid | IN MEMORY OF JEFFREY BOWERS | 202231299349100713 |
| 2020 | Christiana Care Health System Wilmington, DE | C | $10,000 | paid | CAPITAL CAMPAIGN | 202101329349101435 |
| 2020 | Kalmar Nyckel Foundation Wilmington, DE | B | $8,500 | paid | CAPITAL CAMPAIGN | 202101329349101435 |
| 2020 | Delaware Historical Society Wilmington, DE | U | $5,400 | paid | CAPITAL CAMPAIGN | 202101329349101435 |
| 2020 | Leukemia & Lymphoma Society Wilmington, DE | U | $5,000 | paid | ANNUAL FUND | 202101329349101435 |
| 2020 | Biggs Museum of American Art Dover, DE | U | $5,000 | paid | EXPANSION OF FRANK E SCHOONOVER GALLERY OF AMERICAN ILLUSTRATION | 202101329349101435 |
| 2020 | Delaware Art Museum Wilmington, DE | B | $2,000 | paid | ANNUAL FUND | 202101329349101435 |
| 2020 | Jerry K Grossman Social Justice Fund Washington, DC | U | $1,500 | paid | ENDOWED FUND AT GEORGETOWN UNIVERSITY LAW CENTER | 202101329349101435 |
| 2020 | Leadership Delaware Inc Rockland, DE | C | $1,000 | paid | GRADUATION/CELEBRATION EVENT SPONSORSHIP | 202101329349101435 |
| 2020 | Leukemia & Lymphoma Society Wilmington, DE | U | $750 | paid | WOMAN OF THE YEAR CAMPAIGN - ELLEN RUBESIN | 202101329349101435 |
| 2020 | Canaan Baptist Church New Castle, DE | B | $500 | paid | OPERATIONS | 202101329349101435 |
| 2020 | Bucknell University Lewisburg, PA | U | $500 | paid | BISON CLUB (ATHLETICS) ANNUAL GIVING | 202101329349101435 |
| 2020 | Canaan Baptist Church New Castle, DE | B | $500 | paid | OPERATIONS | 202101329349101435 |
| 2020 | Jerry K Grossman Social Justice Fund Washington, DC | U | $250 | paid | ENDOWED FUND AT GEORGETOWN UNIVERSITY LAW CENTER | 202101329349101435 |
| 2020 | Learn to Read Foundation LLC Greenville, DE | U | $250 | paid | OPERATIONS | 202101329349101435 |
| 2020 | First Unitarian Church Wilmington, DE | B | $50 | paid | IN MEMORY OF LEWIS COLLAT | 202101329349101435 |
| 2019 | Christiana Care Health System Wilmington, DE | C | $10,000 | paid | CAPITAL CAMPAIGN | 202031329349100728 |
| 2019 | Delaware Art Museum Wilmington, DE | B | $10,000 | paid | ANNUAL FUND | 202031329349100728 |
| 2019 | Kalmar Nyckel Foundation Wilmington, DE | B | $8,500 | paid | CAPITAL CAMPAIGN | 202031329349100728 |
| 2019 | Delaware Historical Society Wilmington, DE | U | $5,400 | paid | CAPITAL CAMPAIGN | 202031329349100728 |
| 2019 | Bucknell University Lewisburg, PA | U | $1,000 | paid | BISON CLUB ATHLETICS ANNUAL GIVING | 202031329349100728 |
| 2019 | Leukemia & Lymphoma Society Wilmington, DE | U | $1,000 | paid | WOMEN OF THE YEAR CAMPAIGN - LAUREN SIMIONE | 202031329349100728 |
| 2019 | Bellevue Community Center Wilmington, DE | U | $1,000 | paid | OPERATIONS | 202031329349100728 |
| 2019 | Jerry K Grossman Social Justice Fund Washington, DC | U | $500 | paid | ENDOWED FUND AT GEORGETOWN UNIVERSITY LAW CENTER | 202031329349100728 |
| 2019 | Leadership Delaware Inc Rockland, DE | C | $500 | paid | OPERATIONS | 202031329349100728 |
| 2019 | Faithful Friends Wilmington, DE | C | $200 | paid | OPERATIONS | 202031329349100728 |
| 2019 | Delaware Humane Association Wilmington, DE | B | $100 | paid | OPERATIONS | 202031329349100728 |
| 2019 | Dar Caesar Rodney Chapter Washington, DC | U | $100 | paid | OPERATIONS | 202031329349100728 |
| 2019 | Bellevue Community Center Wilmington, DE | U | $100 | paid | THANKSGIVING DRIVE | 202031329349100728 |
| 2018 | Christiana Care Health System Wilmington, DE | C | $11,000 | paid | CAPITAL CAMPAIGN | 201911309349101351 |
| 2018 | Delaware Art Museum Wilmington, DE | B | $10,000 | paid | ANNUAL FUND | 201911309349101351 |
| 2018 | Kalmar Nyckel Foundation Wilmington, DE | B | $8,500 | paid | CAPITAL CAMPAIGN | 201911309349101351 |
| 2018 | Delaware Historical Society Wilmington, DE | U | $5,400 | paid | CAPITAL CAMPAIGN | 201911309349101351 |
| 2018 | Bucknell University Lewisburg, PA | U | $2,000 | paid | BISON CLUB ATHLETICS ANNUAL GIVING | 201911309349101351 |
| 2018 | Frank E Schoonover Fund Inc Greenville, DE | U | $1,000 | paid | EQUIPMENT | 201911309349101351 |
| 2018 | Junior Achievement of Delaware Wilmington, DE | B | $100 | paid | DE BUSINESS LEADERS HALL OF FAME | 201911309349101351 |
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 | 202611039349100801 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.2 | 202502199349100215 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.1 | 202403199349101915 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202322349349100707 |
| 990PF | 2021 | 2021-12-31 | not stated | 2021v4.2 | 202231299349100713 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.1 | 202101329349101435 |
| 990PF | 2019 | 2019-12-31 | not stated | 2019v5.1 | 202031329349100728 |
| 990PF | 2018 | 2018-12-31 | not stated | 2018v3.1 | 201911309349101351 |
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/260873138.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.