In Croatia, Žućko families are Croats (from Pregrada area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pregrada area.
Prevalence
Only a few people with faimily name Žućko live in Croatia today, in three households only. There were 20 of them in the middle of the past century, and their number decreased significantly. They are located in only threee Croatian places: in Zagreb (<5), and in Gora Kosnicka (<5) and Kosnica (<5) in Pregrada area.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.