U.S. Army
John F McMahon
November 24, 1917—October 1, 2014
TEC 4
Life Timeline
96 years1917
Born
November 24, 1917
US ARMY
Service Record
World War II
World War II
Conflict
TEC 4
2014
Passed Away
October 1, 2014
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
TEC 4
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more