GrantAuthority

Marianne J H Witherby Foundation

Grantmaking foundation in Boston, Massachusetts · EIN 04-3540155

Grants itemized on the 990
$110KTax year 2025
Grants made
11Tax year 2025
Total assets
$1.1MLatest reported
Latest IRS filing
2025Form 990 / 990-PF

Giving by year

$30K2019
$40K2020
$68K2021
$56K2022
$85K2023
$80K2024
$110K2025

Totals by tax year, rounded to two significant figures. Years without a reported total show the sum of grants itemized on the filing.

Top recipients

RecipientAmountTax year
Nasson Community Center$20K2025
Families First$15K2025
Reach Beyond Domestic Violence$15K2025
Berklee College of Music Inc$10K2025
Rogerson Communities$10K2025

Amounts are rounded. The full grantee list (11 grants in 2025) is available with a free account.

See the full profile. All grants with amounts and years, board and officers, contact details, giving patterns and your organization's fit score are available with a free GrantAuthority account.

Similar foundations in Massachusetts

Source: IRS Form 990 and 990-PF filings, tax year 2025. Also see this organization on ProPublica Nonprofit Explorer.