The Thiemann Family Foundation
The Thiemann Family Foundation is a private foundation based in Clayton, Missouri. In its 2025 IRS filing, it reported giving $75,000 in grants to 10 organizations.
The Thiemann Family Foundation at a glance
In short: The Thiemann Family Foundation gave $75K across 10 grants in 2025 (avg $8K), mostly in Missouri. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $75,000
- +25.0% vs 2024
- Grants made (2025)
- 10
- +25.0% vs 2024
- Average grant
- $7,500
- +0.0% vs 2024
- Median grant
- $6,000
- Total assets
- $882,559
- +13.5% vs 2024
- Primary geography
- Missouri (89% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to The Thiemann Family Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests; it makes contributions only to preselected charitable organizations.
- Contact
Mailing address: PO Box 11542, Clayton, MO 63105
Phone: (314) 721-4443
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Thiemann Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Bible Baptist Church ($24K). Together the top 10 received $75K.
Grant Size Distribution
40 grants across all recorded years
The most common grant size was under $50K: 40 grants of 40 (100%).
Geographic Focus
Where this funder awards grants
In 2025, 89% of grant dollars went to recipients in Missouri and 11% to recipients in Tennessee.
Grant Distribution by State
Share of 2025 grant dollars across all 10 itemized grants.
Cities
How The Thiemann Family Foundation gives
- 60% of 2025 grantees were also funded in 2024. Method
- Giving grew 46% from 2022 to 2025. Method
- In 2025 it paid out 107% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (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
From 2019 to 2025, annual grant giving ranged from $26K (2019) to $75K (2025). In 2025 it made 10 grants totaling $75K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Bible Baptist Church Maplewood, MO | General Grant | $24,000 |
| Mo Fire Service Funeral Assistance St. Louis, MO | General Charitable Purposes | $10,000 |
| Gary Sinise Foundation Nashville, TN | General Charitable Purposes | $8,000 |
| Mo Chapter Int'l Assoc of Arson Glendale, MO | General Charitable Purposes | $8,000 |
| The Backstoppers Inc St. Louis, MO | General Charitable Purposes | $8,000 |
| St Louis Area Foodbank Bridgeton, MO | General Charitable Purposes | $4,000 |
| The Humane Society of Missouri St. Louis, MO | General Charitable Purposes | $4,000 |
| Birthright of Hillsboro Hillsboro, MO | General Charitable Purposes | $3,000 |
| Heroes Care Inc Fenton, MO | General Charitable Purposes | $3,000 |
| Stray Haven Rescue St. Louis, MO | General Charitable Purposes | $3,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $882,559 | $207,086 | $105,106 | $75,000 | 10 | $75,000 | $5,429 | $70,402 |
| 2024 | $777,606 | $92,809 | $83,051 | $60,000 | 8 | $60,000 | $7,205 | $58,286 |
| 2023 | $767,818 | $25,932 | $73,429 | $51,000 | 8 | $51,000 | $5,054 | $51,858 |
| 2022 | $815,555 | $226,785 | $72,794 | $51,300 | 7 | $51,300 | $22,320 | $51,310 |
| 2021 | $661,557 | $182,223 | $64,965 | $47,000 | 7 | $47,000 | $21,800 | $46,563 |
| 2020 | $544,194 | $165,011 | $45,528 | $34,000 | 2 | — | $5,736 | $33,762 |
| 2019 | $424,820 | $23,963 | $36,942 | $25,500 | 3 | — | $15,326 | $24,972 |
Under IRS private-foundation payout rules, The Thiemann Family Foundation reported a distributable amount of $70K 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 went to organizations including a church, charitable organizations serving first responders and military families, a food bank, animal welfare organizations, and organizations providing other assistance.
The Gary Sinise Foundation describes its mission as supporting veterans, military members, first responders, their families, and families of fallen heroes through programs that provide support and build community. Birthright of Hillsboro says it provides assistance to low-income or indigent individuals for medical and child-care expenses. Heroes Care describes its work as providing support to military members and their families before, during, and after deployment.
Grantmaking
In 2025, the foundation gave $75,000 through 10 grants. Grants ranged from $3,000 to $24,000, with a median grant of $6,000. Its largest listed grants were $24,000 to Bible Baptist Church in Maplewood, Missouri; $10,000 to MO Fire Service Funeral Assistance; and $8,000 each to the Gary Sinise Foundation, MO Chapter International Association of Arson, and The Backstoppers Inc.
Other listed 2025 recipients were St. Louis Area Foodbank ($4,000), The Humane Society of Missouri ($4,000), Birthright of Hillsboro ($3,000), Heroes Care Inc ($3,000), and Stray Haven Rescue ($3,000).
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Carol L. Miller as chairman/president, Stephan G. Thiemann as director/secretary, Sally E. Rogers as treasurer, and Christopher Thiemann as director/vice president.
The Thiemann Family Foundation is led by Carol L. Miller, Chairman & President on every filing since 2019; none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
Carol L. Miller
Chairman & President
On filings since 2019
No compensation reported
Stephan G. Thiemann
Director & Secretary
On filings since 2019
No compensation reported
Christopher Thiemann
Director & Vice President
On filings since 2022
No compensation reported
Sally E. Rogers
Treasurer
On filings since 2019
No compensation reported
Data from IRS Form 990 filings, 2019–2025. "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 Thiemann Family Foundation
How much does The Thiemann Family Foundation give each year?
The Thiemann Family Foundation gave $75K across 10 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $60K across 8 grants.
What is The Thiemann Family Foundation's typical grant size?
The Thiemann Family Foundation's median grant in 2025 was $6,000, and its average grant was $7,500, across 10 grants on its 2025 IRS Form 990-PF.
Where does The Thiemann Family Foundation give grants?
The Thiemann Family Foundation gives mostly in Missouri: 89% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Tennessee (11%). The most frequent recipient cities were St. Louis, MO (4 grants).
Does The Thiemann Family Foundation give general operating support?
Yes: 100% of The Thiemann Family Foundation's 2025 grants with a stated purpose (10 of 10) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The Thiemann Family Foundation's largest grantees?
The Thiemann Family Foundation's largest 2025 grantees include Bible Baptist Church ($24,000), Mo Fire Service Funeral Assistance ($10,000) and Gary Sinise Foundation ($8,000), according to its 2025 IRS Form 990-PF. Together they received 56% of its itemized 2025 grant dollars.
How large is The Thiemann Family Foundation?
The Thiemann Family Foundation reported $883K in total assets on its 2025 IRS Form 990-PF. It paid out $75K in qualifying distributions that year, against a required minimum of $70K (roughly 5% of its investment assets).
What does The Thiemann Family Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants went to organizations including a church, charitable organizations serving first responders and military families, a food bank, animal welfare organizations, and organizations providing other assistance. See mission & focus areas ↑
How do I apply for a grant from The Thiemann Family Foundation?
The foundation does not accept unsolicited requests; 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 The Thiemann Family Foundation's EIN?
The Thiemann Family Foundation's EIN (Employer Identification Number) is 47-5403929. IRS Form 990 filing data is available on this page for 2019–2025.
Does The Thiemann Family 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
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 1, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS May 8, 2026)
- Added Form 990-PF for fiscal year 2019 (received by the IRS May 4, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS April 27, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS April 22, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 3, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 7, 2024)
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Cite this profile
Grantable. (2026). The Thiemann Family Foundation funder profile. GrantGraph. Retrieved October 6, 2026, from https://grantable.co/funders/the-thiemann-family-foundation-morg_f2d809d2234d490191665df780b33bd8
BibTeX
@misc{grantable_475403929_2026,
author = {{Grantable}},
title = {{The Thiemann Family Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-thiemann-family-foundation-morg_f2d809d2234d490191665df780b33bd8},
note = {Accessed 2026-10-06. 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 Thiemann Family 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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