US MARINE CORPS
Dennis Joseph O'Connell
April 24, 1950—February 17, 2000
SGT
Life Timeline
49 years1950
Born
April 24, 1950
US MARINE CORPS
Service Record
Vietnam War
Vietnam War
Conflict
SGT
2000
Passed Away
February 17, 2000
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