U.S. Army
Joseph M O'Brien
July 26, 1895—June 5, 1957
PFC
Life Timeline
61 years1895
Born
July 26, 1895
US ARMY
Service Record
World War I
World War I
Conflict
PFC
1957
Passed Away
June 5, 1957
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
PFC
War / Conflict
World War I
Sourced from official cemetery data; last updated May 30, 2026.Learn more