U.S. Army
John E Mc Mahon
September 14, 1891—May 14, 1955
PVT
Life Timeline
63 years1891
Born
September 14, 1891
US ARMY
Service Record
World War I
World War I
Conflict
PVT
1955
Passed Away
May 14, 1955
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
PVT
War / Conflict
World War I
Sourced from official cemetery data; last updated May 30, 2026.Learn more