U.S. Army
John Herko
April 1, 1915—September 28, 2004
1ST SGT
Life Timeline
89 years1915
Born
April 1, 1915
US ARMY
Service Record
World War II
World War II
Conflict
1ST SGT
2004
Passed Away
September 28, 2004
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