Mannion Family Foundation

Private foundation · Grantmaker Boston, MA EIN: 04-3522053

Mannion Family Foundation is a private foundation, based in Boston, MA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $14.2M in total assets. Net investment income was $228K.

Mannion Family Foundation at a glance

Total assets
$14,230,396
+120.0% vs 2023
Revenue (2024)
$7,793,736
+4315.1% vs 2023
Net investment income (2024)
$227,676
+38.8% vs 2023
Expenses (2024)
$32,476
-73.5% vs 2023
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated October 2026.

Who Mannion Family Foundation funds

How this funder distributes its grants

Grant Size Distribution

12 grants across all recorded years

1<$50K$50–100K3$100–250K2$250–500K2$500K–1M4$1–5M$5M+

The most common grant size was in the $1–5M range: 4 grants of 12 (33%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Cities

BostonAndoverBelmontNew YorkPrinceton

How Mannion Family Foundation gives

  • Giving fell 99% from 2020 to 2023. Method
  • In 2023 it paid out 33% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

From the foundation's IRS Form 990-PF filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$5M$10M$15M11 grants2020 0 grants2021 0 grants2022 1 grant2023 0 grants2024

From 2020 to 2023, annual grant giving ranged from $100K (2023) to $14.9M (2020). In 2023 it made 1 grant totaling $100K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Catholic Schools Foundation Boston, MAEndowment for Scholarships$100,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$14,230,396$7,793,736$32,476———$227,676$377,818
2023$6,469,144$176,525$122,639$100,0001$100,000$163,985$302,206
2022$6,415,258$-62,322$21,077———$89,685$290,760
2021$6,498,657$1,098,297$83,335———$1,074,962$299,932
2020$5,483,695$-718,704$14,992,391$14,924,25911—$1,448,323$571,133

Under IRS private-foundation payout rules, Mannion Family Foundation reported a distributable amount of $378K for 2024 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Mannion Family Foundation's 2024 filing lists 3 officers; none of the 3 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Martin J. Mannion

    Trustee

    On filings since 2020

    No compensation reported

  • Robert G. Bannish

    Trustee

    On filings since 2020

    No compensation reported

  • Tristin L. Mannion

    Trustee

    On filings since 2020

    No compensation reported

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about Mannion Family Foundation

How large is Mannion Family Foundation?

Mannion Family Foundation reported $14.2M in total assets on its 2024 IRS Form 990-PF. Its revenue that year was $7.8M.

Where does Mannion Family Foundation operate?

Mannion Family Foundation has awarded grants in Massachusetts, New Jersey, New York.

How much is Mannion Family Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Mannion Family Foundation reported a distributable amount of $378K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Mannion Family Foundation's EIN?

Mannion Family Foundation's EIN (Employer Identification Number) is 04-3522053. IRS Form 990 filing data is available on this page for 2020–2024.

Data last updated October 2026. Sourced from IRS Form 990-PF filings.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

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Browse active grant opportunities in Mannion Family Foundation's focus areas in our free grants database

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The Bigbird Fund

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Human Services

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The Hagerty Family Foundation

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The Hagerty Family Foundation supports arts, education, and military and family support organizations, with 2024 grants ranging from $1,000 to $360,000 and a median of $25,000. It is based in Cambridge, Massachusetts, and its 2024 grants went mainly to organizations in Massachusetts, New York, Rhode Island, Virginia, and Indiana. It funds only preselected charities and does not accept unsolicited requests.

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John W Henry Family Foundation Inc

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The John W. Henry Family Foundation supports education, health care, arts and culture, and community services, often funding organizations’ operations. Its 2024 grants ranged from $1,000 to $800,000, with a median of $10,000, and most funding went to Massachusetts, with additional grants in Florida, New York, and Washington, DC. It does not accept unsolicited requests and gives only to preselected organizations.

Philanthropy, Voluntarism & Grantmaking

Assets

$1.2M

Grants

30

Total Given

$1.7M

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Mannion Family Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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