Private Foundation

THEWES FAMILY FOUNDATION

THEWES FAMILY FOUNDATION, of BIRMINGHAM, MI, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2025 filing shows $3.4M in revenue, $575K in expenses, $9.7M in total assets. IRS filings disclose 101 grants awarded by this foundation, totaling roughly $2.1M.

EIN: 453660252 BIRMINGHAM, MI Latest filing: 2025

Total Revenue$3.4M

Total Expenses$575K

Total Assets$9.7M

Grants Given101

Grant Total$2.1M

Filing Years2021–2025

Sample Grants Given

LC PASTORAL SERVICES INCORPORATED

BLOOMFIELD HILLS, MI · 2025

PROMOTE THE DELIVERY OF SOCIAL AND WELFARE SERVICES

$90,000

PINECREST ACADEMY

DUNWOODY, GA · 2025

PROMOTE AND DEFEND FAITHFUL CATHOLIC EDUCATION

$65,000

CONSECRATED WOMEN INC

LAKE ORION, MI · 2025

PROMOTE CHRISTIAN RELIGION

$50,000

SACRED HEART APOSTOLIC SCHOOL

ROLLING PRAIRIE, IN · 2025

PRIESTLY FORMATION FOR THE LEGIONARIES OF CHRIST

$35,000

EVEREST ACADEMY

CLARKSTON, MI · 2025

TO PROMOTE CATHOLIC EDUCATION

$30,000

Showing up to 5 of 101 total records — full history available with membership.

Officers & Directors

DIRECTOR Katherine Browne

VICE-PRESIDENT/TREASURER Leonard J Gayeski

DIRECTOR Madeline Thewes

PRESIDENT/DIRECTOR Mary Ann Tollett

Officer compensation and complete director data available with membership.

Top Grant Purposes

PROMOTE THE DELIVERY OF SOCIAL AND WELFARE SERVICES

$510,000 9 grants

PROMOTE CHRISTIAN RELIGION

$483,500 33 grants

PROMOTE AND DEFEND FAITHFUL CATHOLIC EDUCATION

$320,000 7 grants

PRIESTLY FORMATION FOR THE LEGIONARIES OF CHRIST

$240,000 5 grants

TO INFORM AND EDUCATE STUDENTS IN THE CATHOLIC FAITH

$155,000 7 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$3.4M	$575K	$9.7M
2024	$289K	$504K	$6.9M
2023	$2.3M	$407K	$7.1M
2022	$66K	$409K	$5.3M
2021	$5.7M	$258K	$5.6M

Between 2021 and 2025, reported annual revenue declined from $5.7M to $3.4M (-41%), with total assets most recently reported at $9.7M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in GA, IN, MI, VA.

GAINMIVA

Full geographic grant map with state-by-state breakdown available with membership.

See the full picture for THEWES FAMILY FOUNDATION

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Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports