U.S. Army
William Smith O'Brien
June 23, 1907—June 19, 1989
CPL
Life Timeline
81 years1907
Born
June 23, 1907
US ARMY
Service Record
World War II
World War II
Conflict
CPL
1989
Passed Away
June 19, 1989
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
CPL
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more