The Shamrock Trust

Private foundation · Grantmaker Tucson, AZ EIN: 81-2714048

The Shamrock Trust is a private foundation based in Tucson, Arizona. It makes cash contributions only to other 501(c)(3) organizations; its 2025 filing says it contributes to preselected charitable organizations and does not accept unsolicited requests.

The Shamrock Trust at a glance

In short: The Shamrock Trust gave $52K across 43 grants in 2025 (avg $1K), top state Arizona. 40% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$51,911
-50.5% vs 2024
Grants made (2025)
43
-14.0% vs 2024
Average grant
$1,207
-42.4% vs 2024
Median grant
$500
Total assets
$2,272,349
+0.4% vs 2024
New grantees (estimate)
40% first-time grantees (17 of 43, 2025)
Primary geography
Arizona (49% 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 The Shamrock Trust

Accepts unsolicited proposals
No
How to Apply

The Trust does not accept unsolicited requests and makes contributions only to preselected charitable organizations.

Contact

Mailing address: 7301 E Desert Moon Loop, Tucson, AZ 85750
Phone: (520) 444-8486

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

Who The Shamrock Trust funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Covenant House: $10KCovenant House$10KAnnual Bishops Appeal: $5KAnnual Bishops Appeal$5KForest Highlands Foundation: $5KForest Highlands Foundation$5KTunnel to Towers: $5KTunnel to Towers$5KThe Gathering Place: $3KThe Gathering Place$3KCatholic Foundation: $3KCatholic Foundation$3KSt Thomas Apostle: $2KSt Thomas Apostle$2KSt Francis De Assissi: $2KSt Francis De Assissi$2KTucson Museum of Art: $2KTucson Museum of Art$2KUofa Athletics: $2KUofa Athletics$2K

The largest 2025 recipient was Covenant House ($10K). Together the top 10 received $37K.

Grant Size Distribution

207 grants across all recorded years

203<$50K4$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 203 grants of 207 (98%).

Geographic Focus

Where this funder awards grants

In 2025, the largest reported shares of grant dollars by recipient state were Arizona (49%), Kansas (21%), Pennsylvania (10%), Colorado (8%), and the District of Columbia (3%).

Grant Distribution by State

21states

Share of 2025 grant dollars across all 43 itemized grants.

Cities

TucsonWashingtonFlagstaffArlingtonDenverPhoenixChandlerMemphisPhiladelphiaSeattlePark CityRoswellSan FranciscoSteubenvilleTopekaClarksburgNew YorkParadise ValleyScottsdaleBaltimore

Is The Shamrock Trust open to new grantees?

40%

first-time grantees, 2025

In 2025, 17 of 43 grantees (40%) were first-time recipients. First grants averaged $1K; repeat grants $1K. How we count

Medians: $100 first-time, $750 repeat.

  • 40% of 2025 grantees were also funded in 2024. Method
  • Giving fell 51% from 2022 to 2025. Method
  • In 2025 it paid out 40% 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 (2020–2025). 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$150K20 grants2020 35 grants2021 36 grants2022 43 grants2023 50 grants2024 43 grants2025

From 2020 to 2025, annual grant giving ranged from $18K (2020) to $105K (2022). In 2025 it made 43 grants totaling $52K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Covenant House Topeka, KSAs Needed$10,000
Annual Bishops Appeal Tucson, AZAs Needed$5,000
Forest Highlands Foundation Flagstaff, AZAs Needed$5,000
Tunnel to Towers Philadelphia, PAAs Needed$5,000
The Gathering Place Denver, COAs Needed$3,090
Catholic Foundation Tucson, AZAs Needed$3,000
St Thomas Apostle Tucson, AZAs Needed$1,700
St Francis De Assissi Tucson, AZAs Needed$1,500
Tucson Museum of Art Tucson, AZAs Needed$1,500
Uofa Athletics Tucson, AZAs Needed$1,500
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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$2,272,349$67,046$58,425$51,91143$51,911$60,532$129,996
2024$2,263,728$87,222$108,235$104,76950$104,769$47,267$127,055
2023$2,284,741$153,776$102,589$96,26443$96,264$147,630$120,894
2022$2,173,686$134,887$107,107$105,20536$105,205$132,949$96,795
2021$2,145,906$140,150$100,221$91,35835$91,358$131,287$71,166
2020$2,105,977$64,412$20,798$18,29320—$61,907$62,987

Under IRS private-foundation payout rules, The Shamrock Trust reported a distributable amount of $130K 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 Trust is provided. Its 2025 grantees indicate a varied range of supported work. The Gathering Place describes itself as a community of safety and hope serving women, children, and transgender individuals experiencing poverty or homelessness. The Tucson Museum of Art says it connects art to life and promotes cultural understanding. Judicial Watch describes its work as promoting government integrity, transparency, accountability, and the rule of law; Americans for Prosperity says it educates and mobilizes people to advocate for freedom and opportunity. Other grantees include Friends of Sabino Canyon, which raises funds and awareness for the recreation area, and Leadership Institute, which educates people for participation in government, politics, and media.

Grantmaking

In filing year 2025, the Trust reported 43 grants totaling $51,911. Grant amounts ranged from $52 to $10,000, with a median of $500.

Among the largest reported grants were $10,000 to Covenant House in Topeka, Kansas; $5,000 each to Annual Bishops Appeal in Tucson, Forest Highlands Foundation in Flagstaff, and Tunnel to Towers in Philadelphia; and $3,090 to The Gathering Place in Denver. Other reported grants included $3,000 to Catholic Foundation in Tucson, $1,500 to Tucson Museum of Art, and $1,100 to Denver Art Museum. The listed grant purposes were “AS NEEDED.”

Leadership & Key People

Leadership team and compensation from IRS filings

  • President: Patricia Johnston
  • Secretary/Treasurer: Robert Johnston

The Shamrock Trust is led by Patricia Johnston, President on every filing since 2020; none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Patricia Johnston

    President

    On filings since 2020

    No compensation reported

  • Robert Johnston

    Sectreas

    Secretary → Sectreas, 2023

    On filings since 2020

    No compensation reported

Data from IRS Form 990 filings, 2020–2025. "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 The Shamrock Trust

How much does The Shamrock Trust give each year?

The Shamrock Trust gave $52K across 43 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $105K across 50 grants.

What is The Shamrock Trust's typical grant size?

The Shamrock Trust's median grant in 2025 was $500, and its average grant was $1,207, across 43 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Shamrock Trust that year got $1K on average.

Where does The Shamrock Trust give grants?

The Shamrock Trust's top state is Arizona, with 49% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Kansas (21%) and Pennsylvania (10%). The most frequent recipient cities were Tucson, AZ (11 grants), Washington, DC (5 grants), Flagstaff, AZ (3 grants) and Phoenix, AZ (3 grants).

Does The Shamrock Trust give general operating support?

Not in 2025: none of the 43 grants with a stated purpose on The Shamrock Trust's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "As Needed" (43 grants).

Who are The Shamrock Trust's largest grantees?

The Shamrock Trust's largest 2025 grantees include Covenant House ($10,000), Annual Bishops Appeal ($5,000) and Forest Highlands Foundation ($5,000), according to its 2025 IRS Form 990-PF. Together they received 39% of its itemized 2025 grant dollars.

How large is The Shamrock Trust?

The Shamrock Trust reported $2.3M in total assets on its 2025 IRS Form 990-PF. It paid out $52K in qualifying distributions that year, against a required minimum of $130K (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 The Shamrock Trust fund?

No mission statement for the Trust is provided. Its 2025 grantees indicate a varied range of supported work. The Gathering Place describes itself as a community of safety and hope serving women, children, and transgender individuals experiencing poverty or homelessness. See mission & focus areas ↑

How do I apply for a grant from The Shamrock Trust?

The Trust does not accept unsolicited requests and 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 The Shamrock Trust's EIN?

The Shamrock Trust's EIN (Employer Identification Number) is 81-2714048. IRS Form 990 filing data is available on this page for 2020–2025.

Does The Shamrock Trust 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

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS July 29, 2026)
  2. IRS filings on file for fiscal years 2020–2024

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Cite this profile

Grantable. (2026). The Shamrock Trust funder profile. GrantGraph. Retrieved October 12, 2026, from https://grantable.co/funders/the-shamrock-trust-morg_dfa010f8f9394fdfb3669c60151e5dfc

BibTeX
@misc{grantable_812714048_2026,
  author       = {{Grantable}},
  title        = {{The Shamrock Trust funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-shamrock-trust-morg_dfa010f8f9394fdfb3669c60151e5dfc},
  note         = {Accessed 2026-10-12. 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 The Shamrock 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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