U.S. Army
John M Gannon
September 16, 1924—October 26, 2012
Life Timeline
88 years1924
Born
September 16, 1924
US ARMY
Service Record
World War II
World War II
Conflict
2012
Passed Away
October 26, 2012
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more