U.S. Army
Michael Edward O'Brien
October 28, 1919—September 21, 1999
1LT
Life Timeline
79 years1919
Born
October 28, 1919
US ARMY
Service Record
World War II
World War II
Conflict
1LT
1999
Passed Away
September 21, 1999
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
1LT
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more