US MARINE CORPS
John M Helenhouse
January 11, 1974—March 18, 2018
SGT
Life Timeline
44 years1974
Born
January 11, 1974
US MARINE CORPS
Service Record
Korean War
Korean War
Conflict
SGT
2018
Passed Away
March 18, 2018
Memorial Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
SGT
War / Conflict
Korean War
Sourced from official cemetery data; last updated May 30, 2026.Learn more