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Form 990-PFTax year 2025EIN 38-2403460

The Trillium Foundation

A private foundation in Ada, MI. Its return for tax year 2025 lists 17 grants and $27,250 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

    $27,250

    Grants listed
    17
    Assets, end of year
    $212,804

  • Tax year 2024

    $33,000

    Grants listed
    19
    Assets, end of year
    $190,448

  • Tax year 2023

    $25,000

    Grants listed
    19
    Assets, end of year
    $203,011

  • Tax year 2022

    $34,000

    Grants listed
    22
    Assets, end of year
    $213,400

  • Tax year 2021

    $30,000

    Grants listed
    24
    Assets, end of year
    $231,288

  • Tax year 2020

    $31,000

    Grants listed
    19
    Assets, end of year
    $212,993

  • Tax year 2019

    $49,840

    Grants listed
    11
    Assets, end of year
    $212,623

  • Tax year 2018

    $10,840

    Grants listed
    5
    Assets, end of year
    $253,159

Grants paid in 2025

17 grants, largest first

As listed on the return.

  1. The Middle WayFairplay, CO

    Donation

    $5,500
  2. Corewell Health Foundation West Mi Richard McNamara Cardiovascular Fellowship ProgramGrand Rapids, MI

    Donation

    $5,000
  3. Bridges to MalawiHudson, MA

    Donation

    $2,500
  4. Aquinas College Sister Aquinas Student ScholarshipGrand Rapids, MI

    Donation

    $2,250
  5. St Cecelia Music CenterGrand Rapids, MI

    Donation

    $2,000
  6. Devos Children's HospitalGrand Rapids, MI

    Donation

    $1,000
  7. Doctors Without BordersNew York, NY

    Donation

    $1,000
  8. Franciscan Life Process CenterLowell, MI

    Donation

    $1,000
  9. International Rescue CommitteeNew York, NY

    Donation

    $1,000
  10. NAMI New HampshireConcord, NH

    Donation

    $1,000
  11. New Hampshire Food BankManchester, NH

    Donation

    $1,000
  12. Southeast Land Trust of New Hampshire (selt)Exeter, NH

    Donation

    $1,000
  13. Southern District YMCA Exeter YMCAExeter, NH

    Donation

    $1,000
  14. Baxter Community CenterGrand Rapids, MI

    Donation

    $500
  15. Grand Rapids Christian SchoolsGrand Rapids, MI

    Donation

    $500
  16. Pound Buddies Animal Shelter & AdopMuskegon, MI

    Donation

    $500
  17. Running in SilenceGrandville, MI

    Donation

    $500

Where the money goes

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

  1. Education2 grants $2,75033% of the total
  2. Health1 grant $2,50030% of the total
  3. International aid2 grants $2,00024% of the total
  4. Human services1 grant $5006% of the total
  5. Mental health1 grant $5006% of the total

By State

Grants to organizations with a US address, latest year.

  1. Michigan9 grants $13,250
  2. Colorado1 grant $5,500
  3. New Hampshire4 grants $4,000
  4. Massachusetts1 grant $2,500
  5. New York2 grants $2,000

Officers, directors and trustees

4 people as filed

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

  • G Mark McAleenanPRESIDENT Hours 0.1Pay $0
  • Gary F McAleenanDIRECTOR Hours 0.1Pay $0
  • Gregory W McAleenanDIRECTOR Hours 0.1Pay $0
  • Karin M TurmelleSECRETARY/TR Hours 0.58Pay $0

The return

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