U.S. Army
John Coolbaugh
March 5, 1919—April 4, 1987
1ST SGT
Life Timeline
68 years1919
Born
March 5, 1919
US ARMY
Service Record
World War II
World War II
Conflict
1ST SGT
1987
Passed Away
April 4, 1987
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
1ST SGT
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more