U.S. Army
Samuel Thomas O'Sullivan
January 1, 1918—August 11, 1997
CAPT
Life Timeline
79 years1918
Born
January 1, 1918
US ARMY
Service Record
Korean War
Korean War
Conflict
CAPT
1997
Passed Away
August 11, 1997
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
CAPT
War / Conflict
Korean War
Sourced from official cemetery data; last updated May 30, 2026.Learn more