U.S. Army
Donald Plummer Knowles Jr
February 27, 1931—August 22, 2019
1ST LT
Life Timeline
88 years1931
Born
February 27, 1931
US ARMY
Service Record
Korean War
Korean War
Conflict
1ST LT
2019
Passed Away
August 22, 2019
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
1ST LT
War / Conflict
Korean War
Sourced from official cemetery data; last updated May 30, 2026.Learn more