US MARINE CORPS
Dennis John Duncanson
January 19, 1947—September 8, 2004
L CPL
Life Timeline
57 years1947
Born
January 19, 1947
US MARINE CORPS
Service Record
Vietnam War
Vietnam War
Conflict
L CPL
2004
Passed Away
September 8, 2004
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
L CPL
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more