Kućan families are Croats and they are mostly from Koprivnica area. According to some sources they are from the Island of Susak, and from the Island of Brac. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Karlovac.
Prevalence
About 120 people with faimily name Kućan live in Croatia today, in 60 households. There were 240 of them in the middle of the past century, and their number halved. They are located in the most of Croatian counties, in 14 cities and 15 other places, mostly in Zagreb (30), Karlovac (20), Kutnjak in Koprivnica area (15), Rijeka (10), and in Sesvete (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over sixty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.