Mission
MEDICAL RESEARCH AND EQUIPMENT PURCHASES FOR OTHER CHARITABLE ORGANIZATIONS AND EDUCATIONAL SCHOLARSHIPS
Public Charity
DONALD E McMAHON FOUNDATION
Based in HOUSTON, TX, DONALD E McMAHON FOUNDATION operates as a Public Charity. The organization reported $629K in revenue, $124K in expenses, $1.1M in total assets for fiscal year 2025. Imperigo tracks 32 reported grants from this foundation totaling approximately $670K.
EIN: 742077762
HOUSTON, TX
Latest filing: 2025
Total Revenue$629K
Total Expenses$124K
Total Assets$1.1M
Grants Given32
Grant Total$670K
Filing Years2021–2025
Sample Grants Given
$35,000
$16,500
$15,000
SALVATION ARMY
$11,000
Showing up to 5 of 32 total records — full history available with membership.
Officers & Directors
President
Ed Mcmahon
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $629K | $124K | $1.1M |
| 2024 | $26K | $90K | $599K |
| 2023 | $-12K | $83K | $682K |
| 2022 | $76K | $93K | $758K |
| 2021 | $56K | $84K | $774K |
Between 2021 and 2025, reported annual revenue grew from $56K to $629K (+1018%), with total assets most recently reported at $1.1M.
Interactive year-over-year charts and full filing details available with membership.
Grant Geography
Grants from this foundation were reported to recipients in PA, TX.
PATX
Full geographic grant map with state-by-state breakdown available with membership.