In Croatia, Kacian families are Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
Only a few people with faimily name Kacian live in Croatia today, in four households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only four naselja i to in Zagreb (<5), Buzin (<5), Rijeka (<5), and in Bukevje in Ivanic-Grad area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.