US MARINE CORPS
John L McCoy III
January 20, 1941—November 24, 2016
MSGT
Life Timeline
75 years1941
Born
January 20, 1941
US MARINE CORPS
Service Record
Vietnam War
Vietnam War
Conflict
MSGT
2016
Passed Away
November 24, 2016
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
MSGT
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more