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Form 990-PFTax year 2025EIN 38-3317749

Marilyn Mason Foundation

A private foundation in Lincoln, MA. Its return for tax year 2025 lists 8 grants and $20,012 paid in grants.

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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

    $20,012

    Grants listed
    8
    Assets, end of year
    $30,820

  • Tax year 2024

    $14,000

    Grants listed
    4
    Assets, end of year
    $48,955

  • Tax year 2023

    $13,000

    Grants listed
    4
    Assets, end of year
    $37,800

  • Tax year 2022

    $2,000

    Grants listed
    1
    Assets, end of year
    $34,003

  • Tax year 2021

    $2,000

    Grants listed
    1
    Assets, end of year
    $36,299

  • Tax year 2020

    $9,000

    Grants listed
    2
    Assets, end of year
    $38,445

  • Tax year 2019

    $0

    Grants listed
    0
    Assets, end of year
    $39,769

  • Tax year 2018

    $0

    Grants listed
    0
    Assets, end of year
    $40,010

Grants paid in 2025

8 grants, largest first

As listed on the return. Grants to individuals show as “Individual”, with purpose and amount only.

  1. Individual

    Operating fund

    $6,050
  2. Maggies Enthuse CharityLondon, United Kingdom

    Sponsor race for cancer research

    $4,662
  3. Individual

    Funds for marilyn mason organ composition award

    $4,000
  4. Individual

    Support production of recording for gaia quartet

    $2,000
  5. Individual

    Operating fund

    $1,000
  6. Mass Eye Ear HospitalBoston, MA

    Sponsor charity running race for medical research

    $1,000
  7. Individual

    Support ongoing expenses for musical education

    $800
  8. Orchestra Book ClubMedford, MA

    Support ongoing expenses for musical concerts

    $500

Where the money goes

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

  1. Arts and culture1 grant $500100% of the total

By State

Grants to organizations with a US address, latest year.

  1. Massachusetts2 grants $1,500

Officers, directors and trustees

2 people as filed

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

  • Merritt C BrownDIRECTOR Hours 1Pay $2,000
  • Edward A BrownDIRECTOR Hours 1Pay $2,000

The return

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