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Form 990-PFTax year 2024EIN 23-6230874

The Mill Spring Foundation 084206-000

A private foundation in Wilmington, DE. Its return for tax year 2024 lists 22 grants and $653,000 paid in grants.

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

Tax year 2024 (period ending Jun 30, 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

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

  • Tax year 2024

    $653,000

    Grants listed
    22
    Assets, end of year
    $2,338,451

  • Tax year 2023

    $856,000

    Grants listed
    24
    Assets, end of year
    $2,179,742

  • Tax year 2022

    $1,114,500

    Grants listed
    25
    Assets, end of year
    $2,156,506

  • Tax year 2021

    $260,000

    Grants listed
    In an attachment
    Assets, end of year
    $2,703,667

  • Tax year 2020

    $254,000

    Grants listed
    24
    Assets, end of year
    $2,789,868

Grants paid in 2024

22 grants, largest first

As listed on the return.

  1. The World Affairs Council of PhiladelphiaPhiladelphia, PA

    General support

    $200,000
  2. Franklin InstitutePhiladelphia, PA

    General support

    $100,000
  3. Science History InstitutePhiladelphia, PA

    General support

    $100,000
  4. Woodmere Art MuseumPhiladelphia, PA

    General support

    $50,000
  5. Consumer Bankruptcy Assistance ProjectPhiladelphia, PA

    General support

    $25,000
  6. Whitemarsh FoundationLafayette HL, PA

    General support

    $25,000
  7. Leadership InstituteArlington, VA

    General support

    $25,000
  8. Face to FacePhiladelphia, PA

    General support

    $20,000
  9. Wissahickon Valley Public LibraryAmbler, PA

    General support

    $15,000
  10. Girl Scouts of Eastern PAMiquon, PA

    General support

    $10,000
  11. Family Promise Montco PAAmbler, PA

    General support

    $10,000
  12. Foundation for Free Enterprise EducationErie, PA

    General support

    $10,000
  13. Horizons Cristo ReyPhiladelphia, PA

    General support

    $10,000
  14. Philadelphia ZooPhiladelphia, PA

    General support

    $10,000
  15. Gemma ServicesPlymouth MTNG, PA

    General support

    $7,500
  16. Music WorksHavertown, PA

    General support

    $7,500
  17. Children's Scholarship Fund PhilaPhiladelphia, PA

    General support

    $5,000
  18. Cradle of HopeJenkintown, PA

    General support

    $5,000
  19. Enchantment Theater CompanyPhiladelphia, PA

    General support

    $5,000
  20. Hope Springs Equestrian TherapyChester SPRGS, PA

    General support

    $5,000
  21. Rock to the FuturePhiladelphia, PA

    General support

    $5,000
  22. Special EquestriansWarrington, PA

    General support

    $3,000

Where the money goes

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

  1. Arts and culture3 grants $155,00044% of the total
  2. Science and technology1 grant $100,00028% of the total
  3. Human services4 grants $42,50012% of the total
  4. Environment1 grant $25,0007% of the total
  5. Public affairs1 grant $25,0007% of the total
  6. Health1 grant $5,0001% of the total
  7. 1 other causes1 grant $3,000<1% of the total

By State

Grants to organizations with a US address, latest year.

  1. Pennsylvania21 grants $628,000
  2. Virginia1 grant $25,000

Officers, directors and trustees

2 people as filed

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

  • William F MacDonald JrTRUSTEE Hours 1Pay $0
  • Leslie MacDonaldTRUSTEE Hours 1Pay $0

The return

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