U.S. Army
John Hynak
February 5, 1918—May 5, 2011
SGT
Life Timeline
93 years1918
Born
February 5, 1918
US ARMY
Service Record
SGT
2011
Passed Away
May 5, 2011
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
SGT
Sourced from official cemetery data; last updated May 30, 2026.Learn more