In Croatia, Kućar families are Croats (from the Island of Krk ). In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and on the Island of Krk.
Prevalence
About 50 people with faimily name Kućar live in Croatia today, in 16 households. There were 20 of them in the middle of the past century, and their number more than doubled. They are located in four Croatian counties and threee other places, mostly in Varazdin (20), in Baska (10) and Draga Bascanska (<5) on the Island of Krk, Rijeka (<5), and in Jalkovec (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1701 in source Catholic Church Parish Records.