U.S. Army
Harry O Callahan
May 6, 1920—July 26, 1988
Life Timeline
68 years1920
Born
May 6, 1920
US ARMY
Service Record
1988
Passed Away
July 26, 1988
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Sourced from official cemetery data; last updated May 30, 2026.Learn more