U.S. Army
John Carl Martens
June 30, 1893—August 9, 1994
SGT
Life Timeline
101 years1893
Born
June 30, 1893
US ARMY
Service Record
World War II
World War II
Conflict
SGT
1994
Passed Away
August 9, 1994
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
SGT
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more