US MARINE CORPS
Mark Angel Guillen
October 16, 1949—July 21, 1978
SGT
Life Timeline
28 years1949
Born
October 16, 1949
US MARINE CORPS
Service Record
Vietnam War
Vietnam War
Conflict
SGT
1978
Passed Away
July 21, 1978
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