In Croatia, Kučenjak families are Croats (from Samobor area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
About 10 people with faimily name Kučenjak live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only two Croatian places: in Zagreb (<10) and Donji Stupnik in Samobor area (<5).
Outside Croatia
Family name Kučenjak is present in this form only in Croatia.
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.