Kučiš families are Croats and they are mostly from Pregrada area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Slovenia.
Prevalence
About 210 people with faimily name Kučiš live in Croatia today, in 90 households. There were 280 of them in the middle of the past century, and their number decreased by 30 percent. They are located in the most of Croatian counties, in 15 cities and 16 other places, mostly in Zagreb (60), Hum na Sutli in Pregrada area (40), Kasina (20), Velika Gorica (15), and in Gornje Brezno in Pregrada area (10).
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.