U.S. Army
John T McMahon
August 28, 1906—May 28, 1974
MSGT
Life Timeline
67 years1906
Born
August 28, 1906
US ARMY
Service Record
World War II
World War II
Conflict
MSGT
1974
Passed Away
May 28, 1974
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
MSGT
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more