US MARINE CORPS
John Patrick Costello
December 9, 1947—September 28, 2016
SGT
Life Timeline
68 years1947
Born
December 9, 1947
US MARINE CORPS
Service Record
Vietnam War
Vietnam War
Conflict
SGT
2016
Passed Away
September 28, 2016
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
SGT
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more