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Form 990-PFTax year 2025EIN 26-0890463

The William Gerald Willett Charitable Foundation

A private foundation in Dardenne Prairie, MO. Its return for tax year 2025 lists 18 grants and $665,010 paid in grants.

See which foundations fund work like yours Matching by cause, place and grant size

Tax year 2025 (period ending Dec 31, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

8 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2025

    $665,010

    Grants listed
    18
    Assets, end of year
    $3,927,290

  • Tax year 2024

    $598,627

    Grants listed
    16
    Assets, end of year
    $4,221,365

  • Tax year 2023

    $444,471

    Grants listed
    13
    Assets, end of year
    $4,162,073

  • Tax year 2022

    $432,535

    Grants listed
    13
    Assets, end of year
    $4,000,524

  • Tax year 2021

    $429,876

    Grants listed
    16
    Assets, end of year
    $4,115,728

  • Tax year 2020

    $444,203

    Grants listed
    14
    Assets, end of year
    $4,393,496

  • Tax year 2019

    $52,350

    Grants listed
    9
    Assets, end of year
    $4,724,186

  • Tax year 2018

    $270,000

    Grants listed
    3
    Assets, end of year
    $4,542,288

Grants paid in 2025

18 grants, largest first

As listed on the return.

  1. Lewy Body Dementia Association IncLilburn, GA

    To support those affected by lewy body dementia through outreach, education, and research

    $100,000
  2. Ovarian Cancer Research AllianceNew York, NY

    To promote, advocate, and support scientific research for the cure of ovarian cancer

    $100,000
  3. St Louis Children's Hospital FoundationSaint Louis, MO

    To provide exceptional care for children

    $60,000
  4. Christine Willett Memorial Scholarship Program Saint Jerome ChurchFancy Farm, KY

    To provide financial assistance for higher education

    $50,000
  5. Make-A-Wish Foundation of Missouri and KansasBallwin, MO

    To create life-changing wishes for children with critical illnesses

    $50,000
  6. Humane Society of MissouriSaint Louis, MO

    Prevention of cruelty, abuse and neglect of animals

    $45,000
  7. No Kid Hungry - Share Our StrengthPhiladelphia, PA

    To end childhood hunger and poverty in the united states and abroad

    $30,000
  8. Children's National Medical CenterWashington, DC

    To help find cures, fuel innovation and provide world-class care for every child

    $25,000
  9. Ronald McDonald House Charities of St LouisSaint Louis, MO

    To provide the comforts of home and care to families of seriously ill children

    $25,000
  10. Stray Rescue of St LouisSaint Louis, MO

    To rescue stray animals, provide them healthcare, and find adoptive homes

    $25,000
  11. The Michael J Fox FoundationNew York, NY

    To accelerate the next generation of parkinson's disease treatments

    $25,000
  12. The Children's Heart FoundationNorthbrook, IL

    To help find cures, fuel innovation and provide world-class care for every child

    $20,010
  13. Alzheimer's Drug Discovery FoundationNew York, NY

    To accelerate the development of drugs to prevent, treat and cure alzheimer's disease

    $20,000
  14. Covenant House MissouriSaint Louis, MO

    To support young people who are homeless and victims of human trafficking

    $20,000
  15. Duo Dogs IncSaint Louis, MO

    To train and connect dogs to people with specific physical, emotional, and social needs

    $20,000
  16. Lydia's House IncSaint Louis, MO

    To end domestic violence by being a place of healing for abused adults and their children

    $20,000
  17. Saint Louis ZooSt Louis, MO

    To promote the welfare of animals and support animal rescue

    $20,000
  18. St Jude Children's Research HospitalMemphis, TN

    To advance cures for pediatric catastrophic diseases through research and treatment

    $10,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Health4 grants $195,00037% of the total
  2. Philanthropy and grantmaking2 grants $120,01023% of the total
  3. Animals2 grants $70,00013% of the total
  4. Human services2 grants $70,00013% of the total
  5. Medical research1 grant $25,0005% of the total
  6. Housing and shelter1 grant $20,0004% of the total
  7. 1 other causes1 grant $20,0004% of the total

By State

Grants to organizations with a US address, latest year.

  1. Missouri9 grants $285,000
  2. New York3 grants $145,000
  3. Georgia1 grant $100,000
  4. Kentucky1 grant $50,000
  5. Pennsylvania1 grant $30,000
  6. District of Columbia1 grant $25,000
  7. Illinois1 grant $20,010
  8. Tennessee1 grant $10,000

Officers, directors and trustees

3 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Jennifer A WillettPRESIDENT/SEC./TREAS. Hours 2Pay $0
  • Jeffrey B WillettDIRECTOR Hours 0.5Pay $0
  • William M WillettDIRECTOR Hours 0.5Pay $0

The return

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