Kus families are predominantly Croats and they are mostly from Zlatar area , less frequently Czechs (from Daruvar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Rijeka.
Prevalence
About 120 people with faimily name Kus live in Croatia today, in 50 households. There were 120 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 11 cities and 14 other places, mostly in Zagreb (25), Lobor in Zlatar area (15), Daruvar (10), Sibovac in Daruvar area (10), and in Rijeka (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1924 in source Emigration Commission Zagreb.