In Croatia, Karnoš families are Croats (from Osijek ).
Prevalence
Only a few people with faimily name Karnoš live in Croatia today, in two households only. They are located in two Croatian cities only, in Zagreb (<5) and Osijek (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.