In Croatia, Ćućuz families are mainly Serbs, less frequently Croats (from Dugo Selo ). In the past century, relatively most of Croatian residents bearing this family name were born in Vukovar area and in Zagreb.
Prevalence
About 20 people with faimily name Ćućuz live in Croatia today, in 9 households. There were 20 of them in the middle of the past century, and their number remains constant. They are only located in in 6 Croatian cities and another small place , mostly in Velika Gorica (<10), Dugo Selo (<5), Vukovar (<5), Borovo in Vukovar area (<5), and in Zagreb (<5).
Outside Croatia
Family name Ćućuz is present in 9 countries on three continents. The family name "Cucuz " is used by some 100 people in the United States , small number in Germany , and small number of people in Canada.