Edmund B Thornton Foundation

Private foundation · Grantmaker Ottawa, IL EIN: 36-3538959

Edmund B Thornton Foundation is a private foundation, based in Ottawa, IL. IRS filing data is available from 2021 through 2026. As of 2026, the organization holds $23K in total assets. In 2026, it awarded 4 grants totaling $2K.

Edmund B Thornton Foundation at a glance

In short: Edmund B Thornton Foundation gave $2K across 4 grants in 2026 (avg $450), mostly in Illinois. Source: 2026 IRS Form 990-PF.

Annual giving (2026)
$1,800
-93.1% vs 2025
Grants made (2026)
4
+300.0% vs 2025
Average grant
$450
-98.3% vs 2025
Median grant
$500
Total assets
$22,521
-29.9% vs 2025
Primary geography
Illinois (100% of itemized 2026 grant dollars)
Latest 990 filing
Form 990-PF, 2026 View filing

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

Who Edmund B Thornton Foundation funds

How this funder distributes its grants

Top Recipients

Top 4 recipients in 2026

Mendota Museum & Historical Society: $500Mendota Museum & HistoricalSociety$500Illinois Valley Intertribal: $500Illinois Valley Intertribal$500Dickinson House Foundation: $500Dickinson House Foundation$500Ottawa Pads Shelter: $300Ottawa Pads Shelter$300

The largest 2026 recipient was Mendota Museum & Historical Society ($500). Together the top 4 received $2K.

Grant Size Distribution

9 grants across all recorded years

9<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 9 grants of 9 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Share of 2026 grant dollars across all 4 itemized grants.

Cities

WashingtonLa SalleArlingtonChicagoMendotaNorth UticaOglesbyOttawaSpringfieldUrbanaUtica

How Edmund B Thornton Foundation gives

  • Giving grew 800% from 2023 to 2026. Method
  • In 2025 it paid out well above 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$30K5 grants2021 2 grants2022 2 grants2023 0 grants2024 1 grant2025 4 grants2026

From 2021 to 2026, annual grant giving ranged from $125 (2022) to $26K (2025). In 2026 it made 4 grants totaling $2K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Mendota Museum & Historical Society Mendota, ILOperating Costs$500
Illinois Valley Intertribal Utica, ILPow Wow Supplies$500
Dickinson House Foundation Oglesby, ILRepairs$500
Ottawa Pads Shelter Ottawa, ILPurchase Supplies$300
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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
2026$22,521$22$9,613$1,8004$9,513——
2025$32,112$1,943$32,765$26,0001$32,665—$1,601
2024$62,934$74$8,112——$8,012—$3,297
2023$70,972$58$8,372$2002$8,267——
2022$79,286$25$6,554$1252$6,554$25—
2021$85,815$36$9,596$2165—$36—

Leadership & Key People

Officers and directors from IRS filings

Edmund B Thornton Foundation is led by Susan J. Thornton, President & Treasurer since 2024 (on filings since 2021); none of the 2 officers listed in 2026 report compensation.

Officers on the 2026 filing

  • Susan J. Thornton

    President & Treasurer

    Secretary & Director → President & Treasurer, 2024

    On filings since 2021

    0.5 hrs/week

    No compensation reported

  • Kristina M. Fogarty

    Secretary

    Director → Secretary, 2024

    On filings since 2021

    0.5 hrs/week

    No compensation reported

Former officers (1)
  • Former: Edmund B. Thornton (2021–2023) — President & Treasurer

Data from IRS Form 990 filings, 2021–2026. "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 Edmund B Thornton Foundation

How much does Edmund B Thornton Foundation give each year?

Edmund B Thornton Foundation gave $2K across 4 grants in 2026, according to its 2026 IRS Form 990-PF. In 2025 it gave $26K across 1 grant.

What is Edmund B Thornton Foundation's typical grant size?

Edmund B Thornton Foundation's median grant in 2026 was $500, and its average grant was $450, across 4 grants on its 2026 IRS Form 990-PF.

Where does Edmund B Thornton Foundation give grants?

Edmund B Thornton Foundation gives mostly in Illinois: 100% of the grant dollars itemized on its 2026 IRS Form 990-PF went to recipients there.

Does Edmund B Thornton Foundation give general operating support?

Yes: 25% of Edmund B Thornton Foundation's 2026 grants with a stated purpose (1 of 4) were for general or operating support, per its 2026 IRS Form 990-PF.

How large is Edmund B Thornton Foundation?

Edmund B Thornton Foundation reported $23K in total assets on its 2026 IRS Form 990-PF. Its revenue that year was $22.

What is Edmund B Thornton Foundation's EIN?

Edmund B Thornton Foundation's EIN (Employer Identification Number) is 36-3538959. IRS Form 990 filing data is available on this page for 2021–2026.

Data last updated September 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 2026 (received by the IRS June 11, 2026)
  2. IRS filings on file for fiscal years 2021–2025

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Figures come from Edmund B Thornton 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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