Mary F Birtwistle Irrevocable Trust

Private foundation · Grantmaker Plymouth, MA EIN: 20-6490965

Mary F Birtwistle Irrevocable Trust is a private foundation, based in Plymouth, MA. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $341K in total assets. In 2025, it awarded 1 grant totaling $30K. Net investment income was $17K.

Mary F Birtwistle Irrevocable Trust at a glance

In short: Mary F Birtwistle Irrevocable Trust gave $30K across 1 grant in 2025 (avg $30K), mostly in Massachusetts. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$30,423
+47.9% vs 2024
Grants made (2025)
1
+0.0% vs 2024
Average grant
$30,423
+47.9% vs 2024
Median grant
$30,423
Total assets
$341,448
-4.5% vs 2024
Primary geography
Massachusetts (100% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026.

Who Mary F Birtwistle Irrevocable Trust funds

How this funder distributes its grants

Top Recipients

Top recipient in 2025

SouthCoast Hospital Group: $30KSouthCoast Hospital Group$30K

The largest 2025 recipient was SouthCoast Hospital Group ($30K).

Grant Size Distribution

5 grants across all recorded years

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

The most common grant size was under $50K: 5 grants of 5 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of the 2025 grant dollars on its one itemized grant.

Cities

Fairhaven

How Mary F Birtwistle Irrevocable Trust gives

  • Giving grew 272% from 2022 to 2025. Method
  • In 2025 it paid out 142% of its IRS minimum distribution (the 5% rule). 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$10K$20K$30K$40K1 grant2021 1 grant2022 1 grant2023 1 grant2024 1 grant2025

From 2021 to 2025, annual grant giving ranged from $3K (2021) to $35K (2023). In 2025 it made 1 grant totaling $30K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
SouthCoast Hospital Group Fairhaven, MACharitable$30,423
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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
2025$341,448$21,969$38,054$30,4231$33,359$17,338$23,474
2024$357,506$22,191$34,566$20,5641$26,070$12,743$22,747
2023$370,146$12,958$42,942$35,2531$37,833$10,261$22,737
2022$399,055$16,476$15,369$8,1801$10,814$7,545$23,895
2021$399,539$12,447$7,062$3,0241$4,632$9,784$14,214

Under IRS private-foundation payout rules, Mary F Birtwistle Irrevocable Trust reported a distributable amount of $23K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Mary F Birtwistle Irrevocable Trust's only listed officer is Plimoth Investment Advisors, Trustee on every filing since 2021 (compensated).

Officers on the 2025 filing

  • Plimoth Investment Advisors

    Trustee

    On filings since 2021

    1 hr/week

    $4K (2021) → $6K (2025)

Data from IRS Form 990 filings, 2021–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2025 IRS filing

Plimoth Investment Advisors — Trustee: $6KPlimoth Investment…Trustee$6K

The highest reported compensation on the 2025 filing was $6K, to Plimoth Investment Advisors (Trustee).

Frequently asked questions about Mary F Birtwistle Irrevocable Trust

How much does Mary F Birtwistle Irrevocable Trust give each year?

Mary F Birtwistle Irrevocable Trust gave $30K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $21K across 1 grant.

How large is Mary F Birtwistle Irrevocable Trust?

Mary F Birtwistle Irrevocable Trust reported $341K in total assets on its 2025 IRS Form 990-PF. It paid out $33K in qualifying distributions that year, against a required minimum of $23K (roughly 5% of its investment assets).

Where does Mary F Birtwistle Irrevocable Trust operate?

Mary F Birtwistle Irrevocable Trust has awarded grants in Massachusetts.

What is Mary F Birtwistle Irrevocable Trust's EIN?

Mary F Birtwistle Irrevocable Trust's EIN (Employer Identification Number) is 20-6490965. IRS Form 990 filing data is available on this page for 2021–2025.

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

Data update history

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS May 8, 2026)
  2. IRS filings on file for fiscal years 2021–2024

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

Figures come from Mary F Birtwistle Irrevocable Trust'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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