In Croatia, Kucek families are Croats (from Petrinja ). In the past century, relatively most of Croatian residents bearing this family name were born in Petrinja and Sisak.
Prevalence
About 10 people with faimily name Kucek live in Croatia today, in 7 households. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in only four naselja i to in Petrinja (<10), Moscenica (<5), Zagreb (<5), and in Sisak (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.