U.S. Army
John H McMahon
January 28, 1925—March 9, 2015
S SGT
Life Timeline
90 years1925
Born
January 28, 1925
US ARMY
Service Record
World War II
World War II
Conflict
S SGT
2015
Passed Away
March 9, 2015
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
S SGT
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more