U.S. Army
Marcus Eugene O'Neal
June 21, 1942—October 16, 2016
SP4
Life Timeline
74 years1942
Born
June 21, 1942
US ARMY
Service Record
Vietnam War
Vietnam War
Conflict
SP4
2016
Passed Away
October 16, 2016
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
SP4
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more