U.S. Army
Edward A O'Brien
January 7, 1896—June 3, 1968
CHIEF MECH
Life Timeline
72 years1896
Born
January 7, 1896
US ARMY
Service Record
World War I
World War I
Conflict
CHIEF MECH
1968
Passed Away
June 3, 1968
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
CHIEF MECH
War / Conflict
World War I
Sourced from official cemetery data; last updated May 30, 2026.Learn more