US MARINE CORPS
Jack McCoy Jr
December 27, 1942—October 13, 1999
S SGT
Life Timeline
56 years1942
Born
December 27, 1942
US MARINE CORPS
Service Record
Vietnam War
Vietnam War
Conflict
S SGT
1999
Passed Away
October 13, 1999
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
S SGT
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more