Tillie S Patterson Memorial Foundation

Foundation · Grantmaker Great Falls, MT EIN: 81-2756642

Tillie S Patterson Memorial Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Great Falls, MT. IRS filing data is available from 2019 through 2025. In 2025, it awarded 11 grants totaling $653K.

Key facts about Tillie S Patterson Memorial Foundation

EIN
81-2756642
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$652,581
Grants made (2025)
11
Average grant
$59,326
Median grant
$33,291
New grantees (estimate)
0% first-time grantees (0 of 11, 2025)
Primary geography
Montana (64% of itemized 2025 grant dollars)

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

Who Tillie S Patterson Memorial Foundation funds

By grant dollars, the top recipient states for Tillie S Patterson Memorial Foundation's 11 itemized 2025 grants were Montana (64%), Minnesota (21%) and Oklahoma (15%). The most frequent recipient cities were Havre, MT (6 grants). None of its 11 grants with a stated purpose were described as general or operating support. Recurring purposes include "Charitable" (10 grants).

Is Tillie S Patterson Memorial Foundation open to new grantees?

0%

first-time grantees, 2025

In 2025, 0 of 11 grantees (0%) were first-time recipients. How we count

  • 100% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (−4%). Method

Estimate from itemized IRS Form 990-PF grant lists (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Next steps with Tillie S Patterson Memorial Foundation

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

—

Annual Giving

$653K

+3.8% YoY

Grant Count

11

-8.3% YoY

Avg Grant Size

$59K

+13.3% YoY

About Tillie S Patterson Memorial Foundation

Based on IRS filings

Tillie S Patterson Memorial Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Great Falls, MT. IRS filing data is available from 2019 through 2025. In 2025, it awarded 11 grants totaling $653K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Share of all 11 itemized 2025 grant dollars.

Cities

HavreBillingsBozemanMissoulaOklahoma CityRochester

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$0.275$0.55$0.8250000000000001$1.12019202020212022202320242025
Metric202520242023
Total Assets———
Revenue———
Expenses———
Qualifying Distributions———
Net Investment Income———
Distributable Amount———

Data update history

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2019 (received by the IRS April 29, 2020)
  2. Updated Form 990-PF for fiscal year 2020 (received by the IRS April 21, 2021)
  3. Updated Form 990-PF for fiscal year 2021 (received by the IRS April 27, 2022)
  4. Updated Form 990-PF for fiscal year 2022 (received by the IRS April 27, 2023)
  5. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 13, 2024)
  6. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 9, 2025)
  7. Added Form 990-PF for fiscal year 2025 (received by the IRS May 11, 2026)
  8. IRS filings on file for fiscal years 2020–2024

Giving Over Time

Total grant dollars and number of grants per year

$0$204K$409K$613K$818K14 grants201914 grants202012 grants202112 grants202212 grants202312 grants202411 grants2025

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Bullhook Community Health Center Inc: $201KBullhook Community HealthCenter Inc$201KMayo Foundation: $134KMayo Foundation$134KAmerican Cancer Society: $101KAmerican Cancer Society$101KSt Jude Thaddeus School: $79KSt Jude Thaddeus School$79KFriends of Mt PBS: $33KFriends of Mt PBS$33KNorthern Mt Care Center: $33KNorthern Mt Care Center$33KHavre Recreation & Park Foundation: $31KHavre Recreation & ParkFoundation$31KHavre Chapter of the Girl Scouts: $11KHavre Chapter of the GirlScouts$11KHavre Chapter of Mt Actors Theatre: $11KHavre Chapter of Mt ActorsTheatre$11KHavrehill County Library: $11KHavrehill County Library$11K

Grant Size Distribution

59 grants across all recorded years

38<$50K8$50–100K13$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2025 grants, the largest recipients include Bullhook Community Health Center Inc ($201,350), Mayo Foundation ($134,194), American Cancer Society ($100,525).

RecipientPurposeAmount
BULLHOOK COMMUNITY HEALTH CENTER INC Havre, MTCHARITABLE$201,350
MAYO FOUNDATION Rochester, MNCHARITABLE$134,194
AMERICAN CANCER SOCIETY Oklahoma City, OKCHARITABLE$100,525
ST JUDE THADDEUS SCHOOL Havre, MTCHARITABLE$78,702
FRIENDS OF MT PBS Bozeman, MTCHARITABLE$33,291
NORTHERN MT CARE CENTER Havre, MTCHARITABLE$33,291
HAVRE RECREATION & PARK FOUNDATION Havre, MTCHARITABLE/PROGRAMS$30,689
HAVRE CHAPTER OF THE GIRL SCOUTS Billings, MTCHARITABLE$11,464
HAVRE CHAPTER OF MT ACTORS THEATRE Havre, MTCHARITABLE$11,014
HAVREHILL COUNTY LIBRARY Havre, MTCHARITABLE$11,014

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2025 IRS filing

D a Davidson Trust CO — Trustee: $138KD a Davidson Trust COTrustee$138K

From 2025 IRS filing

NameTitleHoursCompensation
D a Davidson Trust COTrustee10$138,058

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is Tillie S Patterson Memorial Foundation?

Tillie S Patterson Memorial Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Great Falls, MT. It holds — in total assets as of 2025.

Where does Tillie S Patterson Memorial Foundation operate?

Tillie S Patterson Memorial Foundation has awarded grants in Minnesota, Montana, Oklahoma.

What size grants does Tillie S Patterson Memorial Foundation award?

In 2025, Tillie S Patterson Memorial Foundation awarded 11 grants totaling $653K — an average of about $59K per grant, based on its IRS Form 990 filings.

What is Tillie S Patterson Memorial Foundation's EIN?

Tillie S Patterson Memorial Foundation's EIN (Employer Identification Number) is 81-2756642. IRS Form 990 filing data is available on this page for 2019–2025.

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

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