Mary K O'Neill Foundation Inc

Private foundation · Grantmaker Towson, MD EIN: 82-2432690

Mary K O'Neill Foundation Inc is a private foundation based in Towson, Maryland. Its 2025 filing reports grants to charitable organizations, including organizations in Maryland and several other states.

Mary K O'Neill Foundation Inc at a glance

In short: Mary K O'Neill Foundation Inc gave $100K across 10 grants in 2025 (avg $10K), mostly in Maryland. 20% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$100,000
+0.0% vs 2024
Grants made (2025)
10
+25.0% vs 2024
Average grant
$10,000
-20.0% vs 2024
Median grant
$10,000
Total assets
$1,306,997
+2.1% vs 2024
New grantees (estimate)
20% first-time grantees (2 of 10, 2025; small sample)
Primary geography
Maryland (80% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Mary K O'Neill Foundation Inc

Accepts unsolicited proposals
No
How to Apply

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.

Contact

Mailing address: 409 Washington Avenue Suite 900, Towson, MD 21204
Phone: (410) 494-0100

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

Who Mary K O'Neill Foundation Inc funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Kennedy Krieger Foundation: $20KKennedy Krieger Foundation$20KJemicy School: $15KJemicy School$15KAmerican Red Cross: $10KAmerican Red Cross$10KInner County Outreach: $10KInner County Outreach$10KThe Legacy School: $10KThe Legacy School$10KHarford Family House: $10KHarford Family House$10KBoys & Girls Club of Harford County: $10KBoys & Girls Club of HarfordCounty$10KSt Jude Children's Research Hosp: $5KSt Jude Children's ResearchHosp$5KWaterfowl Festival: $5KWaterfowl Festival$5KTunnel to Towers Foundation: $5KTunnel to Towers Foundation$5K

The largest 2025 recipient was Kennedy Krieger Foundation ($20K). Together the top 10 received $100K.

Grant Size Distribution

49 grants across all recorded years

49<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 49 grants of 49 (100%).

Geographic Focus

Where this funder awards grants

In 2025, 80% of grant dollars went to recipients in Maryland, 10% to Iowa, 5% to Tennessee, and 5% to New York.

Grant Distribution by State

5states

Share of 2025 grant dollars across all 10 itemized grants.

Cities

AberdeenBaltimoreEastonMemphisSykesvilleCockeysvilleOwings MillsBooneHavre De GraceNew YorkStaten IslandTriangle

Is Mary K O'Neill Foundation Inc open to new grantees?

20%

first-time grantees, 2025

In 2025, 2 of 10 grantees (20%) were first-time recipients. With only 10 grantees, that is a small sample: one grantee more or less moves the share by about 10 points. First grants averaged $8K; repeat grants $11K. How we count

Medians: $8K first-time, $10K repeat.

  • 80% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (+0%). Method
  • In 2025 it paid out 85% 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 (2021–2025). 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$50K$100K$150K10 grants2021 12 grants2022 9 grants2023 8 grants2024 10 grants2025

From 2021 to 2025, annual grant giving ranged from $80K (2021) to $108K (2023). In 2025 it made 10 grants totaling $100K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Kennedy Krieger Foundation Baltimore, MDOsteogenesis Imperfecta Research$20,000
Jemicy School Owings Mills, MDCapital Campaign$15,000
American Red Cross Boone, IAHurricane Helene Relief$10,000
Inner County Outreach Aberdeen, MDParadise Project$10,000
The Legacy School Sykesville, MDOperations$10,000
Harford Family House Aberdeen, MDOperations$10,000
Boys & Girls Club of Harford County Aberdeen, MDSummer Camp Program$10,000
St Jude Children's Research Hosp Memphis, TNOperations$5,000
Waterfowl Festival Easton, MDOperations$5,000
Tunnel to Towers Foundation Staten Island, NYOperations$5,000
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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
2025$1,306,997$146,482$120,196$100,00010$103,356$130,829$120,939
2024$1,280,711$78,395$120,876$100,0008$102,926$60,445$109,342
2023$1,323,192$31,914$125,585$107,5009$110,845$17,174$95,849
2022$1,416,863$45,887$121,160$100,00012$103,086$28,813$109,423
2021$1,492,136$55,335$92,984$80,00010—$44,786$100,700

Under IRS private-foundation payout rules, Mary K O'Neill Foundation Inc reported a distributable amount of $121K for 2025 — 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 2025 grants supported organizations whose stated work includes osteogenesis imperfecta research, education, homelessness services, community programs, wildlife conservation, disaster relief, and children’s health.

Among its grantees, the Legacy School says it serves children with language-based learning differences, including dyslexia and dysgraphia. Harford Family House says it helps families with children and individuals experiencing homelessness become self-sufficient. Waterfowl Festival says it is dedicated to wildlife conservation, wildlife art, and life on Maryland’s Eastern Shore. These are the grantees’ stated missions, not the foundation’s.

Grantmaking

In filing year 2025, the foundation reported 10 grants totaling $100,000. Grants ranged from $5,000 to $20,000, with a median of $10,000.

Notable grants included $20,000 to Kennedy Krieger Foundation for osteogenesis imperfecta research and $15,000 to Jemicy School for a capital campaign. The foundation also gave $10,000 each to the American Red Cross for Hurricane Helene relief, Inner County Outreach for the Paradise Project, the Legacy School for operations, Harford Family House for operations, and Boys & Girls Club of Harford County for a summer camp program. It gave $5,000 each to St. Jude Children’s Research Hospital, Waterfowl Festival, and Tunnel to Towers Foundation, all for operations.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Louis F Friedman as president, Freddie J Traub as vice president, Phyllis C Friedman as secretary, and Matthew N Davis as treasurer.

Mary K O'Neill Foundation Inc is led by Louis F. Friedman, President on every filing since 2021; none of the 4 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Louis F. Friedman

    President

    On filings since 2021

    0.5 hrs/week

    No compensation reported

  • Freddie J. Traub

    Vice President

    On filings since 2021

    0.1 hrs/week

    No compensation reported

  • Matthew N. Davis

    Treasurer

    On filings since 2021

    0.5 hrs/week

    No compensation reported

  • Phyllis C. Friedman

    Secretary

    On filings since 2021

    0.3 hrs/week

    No compensation reported

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.

Frequently asked questions about Mary K O'Neill Foundation Inc

How much does Mary K O'Neill Foundation Inc give each year?

Mary K O'Neill Foundation Inc gave $100K across 10 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $100K across 8 grants.

What is Mary K O'Neill Foundation Inc's typical grant size?

Mary K O'Neill Foundation Inc's median grant in 2025 was $10,000, and its average grant was $10,000, across 10 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Mary K O'Neill Foundation Inc that year got $8K on average.

Where does Mary K O'Neill Foundation Inc give grants?

Mary K O'Neill Foundation Inc gives mostly in Maryland: 80% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Iowa (10%) and Tennessee (5%). The most frequent recipient cities were Aberdeen, MD (3 grants).

Does Mary K O'Neill Foundation Inc give general operating support?

Not in 2025: none of the 10 grants with a stated purpose on Mary K O'Neill Foundation Inc's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Operations" (5 grants).

Who are Mary K O'Neill Foundation Inc's largest grantees?

Mary K O'Neill Foundation Inc's largest 2025 grantees include Kennedy Krieger Foundation ($20,000), Jemicy School ($15,000) and American Red Cross ($10,000), according to its 2025 IRS Form 990-PF. Together they received 45% of its itemized 2025 grant dollars.

How large is Mary K O'Neill Foundation Inc?

Mary K O'Neill Foundation Inc reported $1.3M in total assets on its 2025 IRS Form 990-PF. It paid out $103K in qualifying distributions that year, against a required minimum of $121K (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 K O'Neill Foundation Inc fund?

No mission statement for the foundation is provided. Its 2025 grants supported organizations whose stated work includes osteogenesis imperfecta research, education, homelessness services, community programs, wildlife conservation, disaster relief, and children’s health. See mission & focus areas ↑

How do I apply for a grant from Mary K O'Neill Foundation Inc?

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

What is Mary K O'Neill Foundation Inc's EIN?

Mary K O'Neill Foundation Inc's EIN (Employer Identification Number) is 82-2432690. IRS Form 990 filing data is available on this page for 2021–2025.

Does Mary K O'Neill Foundation Inc 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 2021–2025

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Cite this profile

Grantable. (2026). Mary K O'Neill Foundation Inc funder profile. GrantGraph. Retrieved October 11, 2026, from https://grantable.co/funders/mary-k-o-neill-foundation-inc-morg_ed4b188f1e8844b0b1beb1191f36ad24

BibTeX
@misc{grantable_822432690_2026,
  author       = {{Grantable}},
  title        = {{Mary K O'Neill Foundation Inc funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/mary-k-o-neill-foundation-inc-morg_ed4b188f1e8844b0b1beb1191f36ad24},
  note         = {Accessed 2026-10-11. 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 K O'Neill Foundation Inc'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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