U.S. Army
Joseph A O'Brien
May 28, 1931—January 6, 1999
PFC
Life Timeline
67 years1931
Born
May 28, 1931
US ARMY
Service Record
Korean War
Korean War
Conflict
PFC
1999
Passed Away
January 6, 1999
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
PFC
War / Conflict
Korean War
Sourced from official cemetery data; last updated May 30, 2026.Learn more