In Croatia, Kasik families are generally Croats (from Kutina area ), rarely Czechs (from Cazma area ). In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and Kutina.
Prevalence
About 10 people with faimily name Kasik live in Croatia today, in 7 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in two Croatian cities only, in Zagreb (<10) and Dubrovnik (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.