U.S. Army
Arthur J O'Leary
July 14, 1919—October 4, 1996
COL
Life Timeline
77 years1919
Born
July 14, 1919
US ARMY
Service Record
World War II
World War II
Conflict
COL
1996
Passed Away
October 4, 1996
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
COL
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more