U.S. Army
John David Byrn
November 2, 1923—October 16, 1997
2ND LT
Life Timeline
73 years1923
Born
November 2, 1923
US ARMY
Service Record
World War II
World War II
Conflict
2ND LT
1997
Passed Away
October 16, 1997
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
2ND LT
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more