Grants paid by Harry R & Mary I Maxon Family Foundation
EIN 31-1707787 · Cincinnati, OH · Form 990-PF, Part XV · NTEE T20
Harry R & Mary I Maxon Family Foundation of Cincinnati, OH (EIN 31-1707787) reported 126 grants paid totaling $140,450 to 49 recipients in tax years 2018–2024, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$140,450
126 grants
Recipients
49
distinct organizations
Tax years
2018–2024
7 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 14 | $16,500 | — |
| 2019 | 23 | $15,000 | — |
| 2020 | 18 | $21,000 | — |
| 2021 | 20 | $21,000 | — |
| 2022 | 16 | $21,950 | — |
| 2023 | 17 | $21,000 | — |
| 2024 | 18 | $24,000 | — |
Top recipients
The 49 recipients receiving the most from Harry R & Mary I Maxon Family Foundation, by grants paid, out of 49 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Children's Hospital Los Angeles | U | Los Angeles, CA | 7 | $31,500 | 2024 |
| San Domenico School 94-6080077 | B | San Anselmo, CA | 3 | $15,000 | 2024 |
| The Weaverly School Project | U | Pasadena, CA | 3 | $11,500 | 2021 |
| Topanga Montessori Preschool | U | Topanga, CA | 7 | $10,900 | 2024 |
| Cincinnati Children's Hospital | U | Cincinnati, OH | 3 | $9,000 | 2024 |
| George Mason University | U | Fairfax, VA | 4 | $8,000 | 2024 |
| Florida Institute of Technology | U | Melbourne, FL | 3 | $6,000 | 2022 |
| Hilton Head Prepartory School 23-7126823 | C | Hilton Head, SC | 2 | $4,500 | 2019 |
| Los Encinos School 95-3524740 | B | Encino, CA | 1 | $4,000 | 2018 |
| Hilton Head - Humane Association 57-0630156 | B | Hilton Head Island, SC | 6 | $3,950 | 2024 |
| Palmetto Animal League 57-0732733 | B | Ridgeland, SC | 5 | $3,450 | 2024 |
| The American University of Paris Foundation | U | Rockville Centre, NY | 3 | $3,000 | 2020 |
| Planned Parenthood South Atlantic | U | New York, NY | 4 | $3,000 | 2024 |
| Surfrider Foundation 95-3941826 | C | San Clemente, CA | 7 | $2,900 | 2024 |
| Lowcountry Food Bank 57-0751835 | B | North Charleston, SC | 2 | $2,500 | 2021 |
| American University Paris 98-0013023 | D | Denver, CO | 4 | $2,000 | 2024 |
| Free Store Foodbank | U | Cincinnati, OH | 1 | $2,000 | 2020 |
| Rainforest Trust 13-3500609 | B | Vint Hill, VA | 3 | $1,500 | 2022 |
| Treepeople Land Trust | U | Calabasas, CA | 4 | $1,250 | 2024 |
| Our House Grief Support Center 33-0529915 | C | Los Angeles, CA | 3 | $1,125 | 2021 |
| Treepeople 23-7314838 | C | Los Angeles, CA | 3 | $1,000 | 2020 |
| Environmental Working Group 52-2148600 | C | Washington, DC | 7 | $950 | 2024 |
| Low Country Food Bank | U | Charleston, SC | 1 | $900 | 2024 |
| Carolina Friends School 56-0812560 | B | Durham, NC | 2 | $750 | 2020 |
| Opeartion Gratitude 20-0103575 | C | Encino, CA | 2 | $750 | 2022 |
| Duke School 58-1521494 | B | Durham, NC | 2 | $750 | 2020 |
| Henry's Fork Foundation 82-0391884 | B | Ashton, ID | 3 | $700 | 2024 |
| Liberty Hill Foundation 51-0181191 | B | Los Angeles, CA | 2 | $625 | 2020 |
| Kpcc Fka Southern California Public Radio | U | Pasadena, CA | 2 | $600 | 2024 |
| Planned Parenthood Federation of America 13-1644147 | D | New York, NY | 2 | $600 | 2019 |
| Microbetv Inc 86-1954795 | B | New York, NY | 1 | $500 | 2023 |
| Tower Cancer Research Center 95-4596354 | C | Beverly Hills, CA | 1 | $500 | 2021 |
| Opeartion Gratitude | U | Ridgeland, SC | 1 | $500 | 2020 |
| Stepping Stones Inc 31-0671799 | B | Cincinnati, OH | 1 | $500 | 2018 |
| The Deep Well Project | U | Hilton Head Island, SC | 1 | $500 | 2019 |
| Homeboy Industries 95-4800735 | B | Los Angeles, CA | 1 | $500 | 2024 |
| Common Sense | U | San Francisco, CA | 3 | $450 | 2020 |
| Kcrw Foundation 95-3750631 | B | Santa Monica, CA | 2 | $300 | 2019 |
| Charity Water | U | New York, NY | 2 | $300 | 2019 |
| Sierra Club Foundation 94-6069890 | C | Los Angeles, CA | 2 | $300 | 2019 |
| Monterey Bay Aquarim | U | Monterey, CA | 1 | $250 | 2023 |
| Kpcc | U | Pasadena, CA | 1 | $250 | 2021 |
| Southern California Public Radio 95-4765734 | B | Pasadena, CA | 1 | $250 | 2022 |
| Charity Navigator 13-4148824 | C | Saddle Brook, NJ | 2 | $150 | 2024 |
| Digdeep Water | U | Los Angeles, CA | 1 | $125 | 2019 |
| Kind Campaign - Colony Group 26-4365882 | D | Los Angeles, CA | 1 | $125 | 2019 |
| Etv Endowment | U | Spartanburg, SC | 1 | $100 | 2024 |
| Common Sense Media 41-2024986 | B | San Francisco, CA | 1 | $100 | 2021 |
| Charity Navigtor | U | Saddle Brook, NJ | 1 | $50 | 2023 |
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 126 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2024 | San Domenico School San Anselmo, CA | B | $5,000 | paid | GENERAL | 202501269349100730 |
| 2024 | Children's Hospital Los Angeles Los Angeles, CA | U | $5,000 | paid | GENERAL | 202501269349100730 |
| 2024 | Cincinnati Children's Hospital Cincinnati, OH | U | $3,000 | paid | GENERAL | 202501269349100730 |
| 2024 | Topanga Montessori Preschool Topanga, CA | U | $2,000 | paid | GENERAL | 202501269349100730 |
| 2024 | Planned Parenthood South Atlantic New York, NY | U | $1,500 | paid | GENERAL | 202501269349100730 |
| 2024 | George Mason University Fairfax, VA | U | $1,500 | paid | GENERAL | 202501269349100730 |
| 2024 | Hilton Head - Humane Association Hilton Head Island, SC | B | $1,000 | paid | GENERAL | 202501269349100730 |
| 2024 | Palmetto Animal League Ridgeland, SC | B | $1,000 | paid | GENERAL | 202501269349100730 |
| 2024 | Low Country Food Bank Charleston, SC | U | $900 | paid | GENERAL | 202501269349100730 |
| 2024 | Homeboy Industries Los Angeles, CA | B | $500 | paid | GENERAL | 202501269349100730 |
| 2024 | Treepeople Land Trust Calabasas, CA | U | $500 | paid | GENERAL | 202501269349100730 |
| 2024 | Surfrider Foundation San Clemente, CA | B | $500 | paid | GENERAL | 202501269349100730 |
| 2024 | Kpcc Fka Southern California Public Radio Pasadena, CA | U | $500 | paid | GENERAL | 202501269349100730 |
| 2024 | American University Paris Denver, CO | D | $500 | paid | GENERAL | 202501269349100730 |
| 2024 | Henry's Fork Foundation Ashton, ID | B | $300 | paid | GENERAL | 202501269349100730 |
| 2024 | Environmental Working Group (ewg) Washington, DC | D | $100 | paid | GENERAL | 202501269349100730 |
| 2024 | Charity Navigator Saddle Brook, NJ | C | $100 | paid | GENERAL | 202501269349100730 |
| 2024 | Etv Endowment Spartanburg, SC | U | $100 | paid | GENERAL | 202501269349100730 |
| 2023 | San Domenico School San Anselmo, CA | B | $5,000 | paid | GENERAL | 202441249349100204 |
| 2023 | Children's Hospital Los Angeles Los Angeles, CA | U | $5,000 | paid | GENERAL | 202441249349100204 |
| 2023 | Cincinnati Children's Hospital Cincinnati, OH | U | $3,000 | paid | GENERAL | 202441249349100204 |
| 2023 | George Mason University Fairfax, VA | U | $2,500 | paid | GENERAL | 202441249349100204 |
| 2023 | Topanga Montessori Preschool Topanga, CA | U | $1,500 | paid | GENERAL | 202441249349100204 |
| 2023 | American University Paris Denver, CO | D | $500 | paid | GENERAL | 202441249349100204 |
| 2023 | Hilton Head - Humane Association Hilton Head Island, SC | B | $500 | paid | GENERAL | 202441249349100204 |
| 2023 | Surfrider Foundation San Clemente, CA | B | $500 | paid | GENERAL | 202441249349100204 |
| 2023 | Microbetv Inc New York, NY | B | $500 | paid | GENERAL | 202441249349100204 |
| 2023 | Planned Parenthood South Atlantic New York, NY | U | $500 | paid | GENERAL | 202441249349100204 |
| 2023 | Palmetto Animal League Ridgeland, SC | B | $500 | paid | GENERAL | 202441249349100204 |
| 2023 | Henry's Fork Foundation Ashton, ID | B | $300 | paid | GENERAL | 202441249349100204 |
| 2023 | Monterey Bay Aquarim Monterey, CA | U | $250 | paid | GENERAL | 202441249349100204 |
| 2023 | Treepeople Land Trust Calabasas, CA | U | $200 | paid | GENERAL | 202441249349100204 |
| 2023 | Kpcc Fka Southern California Public Radio Pasadena, CA | U | $100 | paid | GENERAL | 202441249349100204 |
| 2023 | Environmental Working Group Washington, DC | C | $100 | paid | GENERAL | 202441249349100204 |
| 2023 | Charity Navigtor Saddle Brook, NJ | U | $50 | paid | GENERAL | 202441249349100204 |
| 2022 | San Domenico School San Anselmo, CA | B | $5,000 | paid | GENERAL | 202341159349100304 |
| 2022 | Children's Hospital Los Angeles Los Angeles, CA | U | $5,000 | paid | GENERAL | 202341159349100304 |
| 2022 | Cincinnati Children's Hospital Cincinnati, OH | U | $3,000 | paid | GENERAL | 202341159349100304 |
| 2022 | Topanga Montessori Preschool Topanga, CA | U | $2,400 | paid | GENERAL | 202341159349100304 |
| 2022 | Florida Institute of Technology Melbourne, FL | U | $1,500 | paid | GENERAL | 202341159349100304 |
| 2022 | George Mason University Fairfax, VA | U | $1,500 | paid | GENERAL | 202341159349100304 |
| 2022 | Rainforest Trust Warrenton, VA | C | $500 | paid | GENERAL | 202341159349100304 |
| 2022 | Planned Parenthood South Atlantic New York, NY | U | $500 | paid | GENERAL | 202341159349100304 |
| 2022 | American University Paris Denver, CO | D | $500 | paid | GENERAL | 202341159349100304 |
| 2022 | Hilton Head - Humane Association Hilton Head Island, SC | B | $450 | paid | GENERAL | 202341159349100304 |
| 2022 | Palmetto Animal League Ridgeland, SC | B | $450 | paid | GENERAL | 202341159349100304 |
| 2022 | Treepeople Land Trust Calabasas, CA | U | $300 | paid | GENERAL | 202341159349100304 |
| 2022 | Surfrider Foundation San Clemente, CA | B | $250 | paid | GENERAL | 202341159349100304 |
| 2022 | Opeartion Gratitude Encino, CA | C | $250 | paid | GENERAL | 202341159349100304 |
| 2022 | Southern California Public Radio Pasadena, CA | B | $250 | paid | GENERAL | 202341159349100304 |
| 2022 | Environmental Working Group Washington, DC | C | $100 | paid | GENERAL | 202341159349100304 |
| 2021 | The Weaverly School Project Pasadena, CA | U | $4,500 | paid | GENERAL | 202221199349101132 |
| 2021 | Children's Hospital Los Angeles Los Angeles, CA | U | $4,500 | paid | GENERAL | 202221199349101132 |
| 2021 | Florida Institute of Technology Melbourne, FL | U | $2,500 | paid | GENERAL | 202221199349101132 |
| 2021 | George Mason University Fairfax, VA | U | $2,500 | paid | GENERAL | 202221199349101132 |
| 2021 | Topanga Montessori Preschool Topanga, CA | U | $1,500 | paid | GENERAL | 202221199349101132 |
| 2021 | Lowcountry Food Bank North Charleston, SC | B | $500 | paid | GENERAL | 202221199349101132 |
| 2021 | Opeartion Gratitude Encino, CA | C | $500 | paid | GENERAL | 202221199349101132 |
| 2021 | Our House Grief Support Center Los Angeles, CA | C | $500 | paid | GENERAL | 202221199349101132 |
| 2021 | Tower Cancer Research Center Beverly Hills, CA | C | $500 | paid | GENERAL | 202221199349101132 |
| 2021 | Palmetto Animal League Ridgeland, SC | B | $500 | paid | GENERAL | 202221199349101132 |
| 2021 | Planned Parenthood South Atlantic New York, NY | U | $500 | paid | GENERAL | 202221199349101132 |
| 2021 | Rainforest Trust Warrenton, VA | C | $500 | paid | GENERAL | 202221199349101132 |
| 2021 | American University Paris Denver, CO | D | $500 | paid | GENERAL | 202221199349101132 |
| 2021 | Hilton Head - Humane Association Hilton Head Island, SC | B | $500 | paid | GENERAL | 202221199349101132 |
| 2021 | Surfrider Foundation San Clemente, CA | B | $250 | paid | GENERAL | 202221199349101132 |
| 2021 | Treepeople Land Trust Calabasas, CA | U | $250 | paid | GENERAL | 202221199349101132 |
| 2021 | Kpcc Pasadena, CA | U | $250 | paid | GENERAL | 202221199349101132 |
| 2021 | Common Sense Media San Francisco, CA | B | $100 | paid | GENERAL | 202221199349101132 |
| 2021 | Environmental Working Group Washington, DC | C | $100 | paid | GENERAL | 202221199349101132 |
| 2021 | Charity Navigator Saddle Brook, NJ | C | $50 | paid | GENERAL | 202221199349101132 |
| 2020 | Children's Hospital Los Angeles Los Angeles, CA | U | $4,000 | paid | GENERAL | 202141189349101904 |
| 2020 | The Weaverly School Project Pasadena, CA | U | $4,000 | paid | GENERAL | 202141189349101904 |
| 2020 | Free Store Foodbank Cincinnati, OH | U | $2,000 | paid | GENERAL | 202141189349101904 |
| 2020 | Lowcountry Food Bank North Charleston, SC | B | $2,000 | paid | GENERAL | 202141189349101904 |
| 2020 | Hilton Head - Humane Association Hilton Head Island, SC | B | $1,000 | paid | GENERAL | 202141189349101904 |
| 2020 | The American University of Paris Foundation Rockville Centre, NY | U | $1,000 | paid | GENERAL | 202141189349101904 |
| 2020 | Surfrider Foundation San Clemente, CA | C | $1,000 | paid | GENERAL | 202141189349101904 |
| 2020 | Palmetto Animal League Ridgeland, SC | B | $1,000 | paid | GENERAL | 202141189349101904 |
| 2020 | Topanga Montessori Preschool Topanga, CA | U | $1,000 | paid | GENERAL | 202141189349101904 |
| 2020 | Duke School Durham, NC | B | $500 | paid | GENERAL | 202141189349101904 |
| 2020 | Carolina Friends School Durham, NC | B | $500 | paid | GENERAL | 202141189349101904 |
| 2020 | Liberty Hill Foundation Los Angeles, CA | B | $500 | paid | GENERAL | 202141189349101904 |
| 2020 | Opeartion Gratitude Ridgeland, SC | U | $500 | paid | GENERAL | 202141189349101904 |
| 2020 | Treepeople Los Angeles, CA | C | $500 | paid | GENERAL | 202141189349101904 |
| 2020 | Rainforest Trust Vint Hill, VA | B | $500 | paid | GENERAL | 202141189349101904 |
| 2020 | Our House Grief Support Center Los Angeles, CA | C | $500 | paid | GENERAL | 202141189349101904 |
| 2020 | Environmental Working Group Washington, DC | C | $250 | paid | GENERAL | 202141189349101904 |
| 2020 | Common Sense San Francisco, CA | U | $250 | paid | GENERAL | 202141189349101904 |
| 2019 | Children's Hospital Los Angeles Los Angeles, CA | U | $4,000 | paid | GENERAL | 202000669349100515 |
| 2019 | The Weaverly School Project Pasadena, CA | U | $3,000 | paid | GENERAL | 202000669349100515 |
| 2019 | Florida Institute of Technology Melbourne, FL | U | $2,000 | paid | GENERAL | 202000669349100515 |
| 2019 | The American University of Paris Foundation Rockville Centre, NY | U | $1,000 | paid | GENERAL | 202000669349100515 |
| 2019 | Topanga Montessori Preschool Topanga, CA | U | $1,000 | paid | GENERAL | 202000669349100515 |
| 2019 | Hilton Head Prepartory School Hilton Head, SC | C | $500 | paid | GENERAL | 202000669349100515 |
| 2019 | Planned Parenthood Federation of America New York, NY | D | $500 | paid | GENERAL | 202000669349100515 |
| 2019 | Hilton Head - Humane Association Hilton Head Island, SC | B | $500 | paid | GENERAL | 202000669349100515 |
| 2019 | The Deep Well Project Hilton Head Island, SC | U | $500 | paid | GENERAL | 202000669349100515 |
| 2019 | Duke School Durham, NC | B | $250 | paid | GENERAL | 202000669349100515 |
| 2019 | Carolina Friends School Durham, NC | B | $250 | paid | GENERAL | 202000669349100515 |
| 2019 | Treepeople Los Angeles, CA | C | $200 | paid | GENERAL | 202000669349100515 |
| 2019 | Surfrider Foundation San Clemente, CA | C | $200 | paid | GENERAL | 202000669349100515 |
| 2019 | Kind Campaign - Colony Group Los Angeles, CA | D | $125 | paid | GENERAL | 202000669349100515 |
| 2019 | Digdeep Water Los Angeles, CA | U | $125 | paid | GENERAL | 202000669349100515 |
| 2019 | Liberty Hill Foundation Los Angeles, CA | B | $125 | paid | GENERAL | 202000669349100515 |
| 2019 | Our House Grief Support Center Los Angeles, CA | C | $125 | paid | GENERAL | 202000669349100515 |
| 2019 | Charity Water New York, NY | U | $100 | paid | GENERAL | 202000669349100515 |
| 2019 | Environmental Working Group Washington, DC | C | $100 | paid | GENERAL | 202000669349100515 |
| 2019 | Kcrw Foundation Santa Monica, CA | B | $100 | paid | GENERAL | 202000669349100515 |
| 2019 | Sierra Club Foundation Los Angeles, CA | C | $100 | paid | GENERAL | 202000669349100515 |
| 2019 | Common Sense San Francisco, CA | U | $100 | paid | GENERAL | 202000669349100515 |
| 2019 | Henry's Fork Foundation Ashton, ID | B | $100 | paid | GENERAL | 202000669349100515 |
| 2018 | Children's Hospital Los Angeles Los Angeles, CA | U | $4,000 | paid | GENERAL | 201930879349100008 |
| 2018 | Hilton Head Prepartory School Hilton Head, SC | C | $4,000 | paid | GENERAL | 201930879349100008 |
| 2018 | Los Encinos School Encino, CA | B | $4,000 | paid | GENERAL | 201930879349100008 |
| 2018 | Topanga Montessori Preschool Topanga, CA | U | $1,500 | paid | GENERAL | 201930879349100008 |
| 2018 | The American University of Paris Foundation Rockville Centtre, NY | U | $1,000 | paid | GENERAL | 201930879349100008 |
| 2018 | Stepping Stones Inc Cincinnati, OH | B | $500 | paid | GENERAL | 201930879349100008 |
| 2018 | Treepeople Los Angeles, CA | C | $300 | paid | GENERAL | 201930879349100008 |
| 2018 | Environmental Working Group Washington, DC | C | $200 | paid | GENERAL | 201930879349100008 |
| 2018 | Surfrider Foundation San Clemente, CA | C | $200 | paid | GENERAL | 201930879349100008 |
| 2018 | Kcrw Foundation Santa Monica, CA | B | $200 | paid | GENERAL | 201930879349100008 |
| 2018 | Charity Water New York, NY | U | $200 | paid | GENERAL | 201930879349100008 |
| 2018 | Sierra Club Foundation Los Angeles, CA | C | $200 | paid | GENERAL | 201930879349100008 |
| 2018 | Common Sense San Francisco, CA | U | $100 | paid | GENERAL | 201930879349100008 |
| 2018 | Planned Parenthood Federation of America New York, NY | D | $100 | paid | GENERAL | 201930879349100008 |
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 | 2024 | 2024-12-31 | not stated | 2024v5.1 | 202501269349100730 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.0 | 202441249349100204 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202341159349100304 |
| 990PF | 2021 | 2021-12-31 | not stated | 2021v4.1 | 202221199349101132 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.1 | 202141189349101904 |
| 990PF | 2019 | 2019-12-31 | not stated | 2019v5.0 | 202000669349100515 |
| 990PF | 2018 | 2018-12-31 | not stated | 2018v3.1 | 201930879349100008 |
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/311707787.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.