U.S. Army
John P Hartnett
February 8, 1919—April 9, 1990
1 LT
Life Timeline
71 years1919
Born
February 8, 1919
US ARMY
Service Record
World War II
World War II
Conflict
1 LT
1990
Passed Away
April 9, 1990
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
1 LT
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more