In Croatia, Kučković families are Croats by relative majority (from Zagreb ), rarely Bosniaks (also from Zagreb ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
Only a few people with faimily name Kučković live in Croatia today, in four households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in two Croatian counties, in one city and another small place , mostly in Zagreb (<10) and Semeljci in Djakovo area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.