Mary and Kathleen Harriman Foundation

Private foundation · Grantmaker New York, NY EIN: 51-0193921

The Mary and Kathleen Harriman Foundation is a private foundation based in New York, New York. In 2024, it made 41 grants totaling $231,500 to charitable organizations.

Mary and Kathleen Harriman Foundation at a glance

In short: Mary and Kathleen Harriman Foundation gave $232K across 41 grants in 2024 (avg $6K), top state New York. 22% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$231,500
-13.5% vs 2023
Grants made (2024)
41
-6.8% vs 2023
Average grant
$5,646
-7.1% vs 2023
Median grant
$3,500
Total assets
$4,898,527
+4.0% vs 2023
New grantees (estimate)
22% first-time grantees (9 of 41, 2024)
Primary geography
New York (41% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Mary and Kathleen Harriman Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations. Its filing lists typed organizational history and details of grant purposes as application materials, and states there are no restrictions on awards.

Contact

Application contact: Etta Reyes
Mailing address: 140 Broadway 6Th Floor, New York, NY 10005
Phone: (212) 493-5585
Email: etta.reyes.nonemployee@bbh.com

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Mary and Kathleen Harriman Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Center for Discovery Endowment Fund Inc: $21KCenter for Discovery EndowmentFund Inc$21KALS Association Greater New York: $19KALS Association Greater NewYork$19KMontgomery County Humane Society: $16KMontgomery County HumaneSociety$16KMountain Humane: $15KMountain Humane$15KEast Maui Animal Refuge: $14KEast Maui Animal Refuge$14KTown of Tuxedo: $13KTown of Tuxedo$13KHemingway Parents Auxiliary: $10KHemingway Parents Auxiliary$10KTuxedowoodbury Fire Department: $9KTuxedowoodbury Fire Department$9KBrookline for Racial Justice & Equity: $8KBrookline for Racial Justice &Equity$8KDoctors Without Borders: $8KDoctors Without Borders$8K

The largest 2024 recipient was Center for Discovery Endowment Fund Inc ($21K). Together the top 10 received $133K.

Grant Size Distribution

210 grants across all recorded years

210<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 210 grants of 210 (100%).

Geographic Focus

Where this funder awards grants

In 2024, the largest shares of grant dollars went to recipients in New York (41%), Idaho (15%), Massachusetts (8%), Hawaii (7%), and Maryland (7%).

Grant Distribution by State

18states

Share of 2024 grant dollars across all 41 itemized grants.

Cities

New YorkHaileyBrooklineWashingtonLos AltosRockvilleAnn ArborBostonBristolCharlestownCoarsegoldDavidsonHanoverHarrisWailukuConcordDorchesterEast MeadowExeterKetchum

Is Mary and Kathleen Harriman Foundation open to new grantees?

22%

first-time grantees, 2024

In 2024, 9 of 41 grantees (22%) were first-time recipients. First grants averaged $4K; repeat grants $6K. How we count

Medians: $3K first-time, $4K repeat.

  • 76% of 2024 grantees were also funded in 2023. Method
  • Giving held roughly steady from 2021 to 2024 (−11%). Method
  • In 2024 it paid out 94% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$100K$200K$300K39 grants2020 42 grants2021 44 grants2022 44 grants2023 41 grants2024

From 2020 to 2024, annual grant giving ranged from $219K (2020) to $280K (2022). In 2024 it made 41 grants totaling $232K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Center for Discovery Endowment Fund Inc Harris, NYGeneral Support$21,000
ALS Association Greater New York New York, NYGeneral Support$18,500
Montgomery County Humane Society Rockville, MDGeneral Support$16,000
Mountain Humane Hailey, IDGeneral Support$15,000
East Maui Animal Refuge Haiku, HIGeneral Support$14,000
Town of Tuxedo Tuxedo, NYGeneral Support$13,000
Hemingway Parents Auxiliary Ketchum, IDGeneral Support$10,000
Tuxedowoodbury Fire Department Highland Mills, NYGeneral Support$9,000
Brookline for Racial Justice & Equity Brookline, MAGeneral Support$8,000
Doctors Without Borders New York, NYGeneral Support$8,000
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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$4,898,527$500,985$312,341$231,50041$255,067$440,322$271,536
2023$4,709,883$283,573$346,346$267,50044$294,355$235,301$264,325
2022$4,772,656$-7,492$372,554$280,00044$306,546$51,747$296,174
2021$5,155,788$1,073,304$350,290$260,00042$281,665$1,002,663$295,215
2020$4,432,989$569,256$293,963$219,40039—$527,180$244,907

Under IRS private-foundation payout rules, Mary and Kathleen Harriman Foundation reported a distributable amount of $272K for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

No mission statement for the foundation is provided. Its 2024 grants included organizations with varied purposes. For example, Montgomery County Humane Society describes its mission as ending animal homelessness through adoptions, education, and outreach, while East Maui Animal Refuge says it takes in animals in distress when no other individual or organization can provide needed care. Hemingway Parents Auxiliary says it supports school staff and students through resources and community events. Steps to Success describes its work as promoting equity for students from low-income families in Brookline, and World Central Kitchen says it provides meals in response to humanitarian, climate, and community crises.

Other 2024 recipients included Row New York, which says it uses rowing and academic support to transform the lives of New Yorkers; Sage School, which supports students with learning difficulties; and the Solomon R. Guggenheim Foundation, which describes itself as committed to innovation in collecting. These descriptions are the grantees’ own.

Grantmaking

In 2024, the foundation reported 41 grants totaling $231,500. Awards ranged from $500 to $21,000, with a median grant of $3,500. The largest listed grants included $21,000 to Center for Discovery Endowment Fund, $18,500 to ALS Association Greater New York, $16,000 to Montgomery County Humane Society, $15,000 to Mountain Humane, and $14,000 to East Maui Animal Refuge. Each was designated for general support.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Brooks Ames as president; Katherine F. Carroll as vice president; Averell H. Mortimer as treasurer; Lily L. Mortimer as secretary; Anna T. Korniczky as assistant treasurer; and Barbara O’Connell as assistant secretary.

Mary and Kathleen Harriman Foundation is led by Brooks Ames, President on the 2024 filing; 1 of 6 officers listed in 2024 is compensated.

Officers on the 2024 filing

  • Brooks Ames

    President

    New on the 2024 filing

    1 hr/week

    No compensation reported

  • Barbara O'Connell

    Assistant Secretary

    On filings since 2020

    1 hr/week

    $3K (2020) → $3K (2024)

  • Anna T. Korniczky

    Assistant Treasurer

    On filings since 2020

    1 hr/week

    No compensation reported

  • Averell H. Mortimer

    Treasurer

    Treasurer & Director → Treasurer, 2022

    On filings since 2020

    1 hr/week

    No compensation reported

  • Lily L. Mortimer

    Secretary

    Secretary & Director → Secretary, 2022

    On filings since 2020

    1 hr/week

    No compensation reported

  • Katherine F. Carroll

    Vice President

    On filings since 2023

    1 hr/week

    No compensation reported

Former officers (2)
  • Former: Kathleen L. Ames (2020–2023) — President
  • Former: Cassie Carroll (2020–2022) — Vice President

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.

Compensation Overview

From 2024 IRS filing

Barbara O'Connell — Asst. Secretary: $3KBarbara O'ConnellAsst. Secretary$3K

The highest reported compensation on the 2024 filing was $3K, to Barbara O'Connell (Asst. Secretary).

Frequently asked questions about Mary and Kathleen Harriman Foundation

How much does Mary and Kathleen Harriman Foundation give each year?

Mary and Kathleen Harriman Foundation gave $232K across 41 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $268K across 44 grants.

What is Mary and Kathleen Harriman Foundation's typical grant size?

Mary and Kathleen Harriman Foundation's median grant in 2024 was $3,500, and its average grant was $5,646, across 41 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Mary and Kathleen Harriman Foundation that year got $4K on average.

Where does Mary and Kathleen Harriman Foundation give grants?

Mary and Kathleen Harriman Foundation's top state is New York, with 41% of the grant dollars itemized on its 2024 IRS Form 990-PF. The next largest states were Idaho (15%) and Massachusetts (8%). The most frequent recipient cities were New York, NY (10 grants), Hailey, ID (4 grants), Brookline, MA (2 grants) and Washington, DC (2 grants).

Does Mary and Kathleen Harriman Foundation give general operating support?

Yes: 98% of Mary and Kathleen Harriman Foundation's 2024 grants with a stated purpose (40 of 41) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are Mary and Kathleen Harriman Foundation's largest grantees?

Mary and Kathleen Harriman Foundation's largest 2024 grantees include Center for Discovery Endowment Fund Inc ($21,000), ALS Association Greater New York ($18,500) and Montgomery County Humane Society ($16,000), according to its 2024 IRS Form 990-PF. Together they received 24% of its itemized 2024 grant dollars.

How large is Mary and Kathleen Harriman Foundation?

Mary and Kathleen Harriman Foundation reported $4.9M in total assets on its 2024 IRS Form 990-PF. It paid out $255K in qualifying distributions that year, against a required minimum of $272K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What does Mary and Kathleen Harriman Foundation fund?

No mission statement for the foundation is provided. Its 2024 grants included organizations with varied purposes. See mission & focus areas ↑

How do I apply for a grant from Mary and Kathleen Harriman Foundation?

The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Mary and Kathleen Harriman Foundation's EIN?

Mary and Kathleen Harriman Foundation's EIN (Employer Identification Number) is 51-0193921. IRS Form 990 filing data is available on this page for 2020–2024.

Does Mary and Kathleen Harriman Foundation accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

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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Cite this profile

Grantable. (2026). Mary and Kathleen Harriman Foundation funder profile. GrantGraph. Retrieved October 5, 2026, from https://grantable.co/funders/mary-and-kathleen-harriman-foundation-morg_e539f939196742e6ae3be2265a574878

BibTeX
@misc{grantable_510193921_2026,
  author       = {{Grantable}},
  title        = {{Mary and Kathleen Harriman Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/mary-and-kathleen-harriman-foundation-morg_e539f939196742e6ae3be2265a574878},
  note         = {Accessed 2026-10-05. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from Mary and Kathleen Harriman 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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