Kerkez families are mainly Croats and they are mostly from Zagreb , often Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Sisak. In Prkosi in Cazins Region (Bosnia) every fourth inhabitant had the family name Kerkez.
Prevalence
About 80 people with faimily name Kerkez live in Croatia today, in 30 households. There were 30 of them in the middle of the past century, and their number more than doubled. They are located in 10 Croatian counties, in 11 cities and 13 other places, mostly in Topolovac (20), Zagreb (15), Crnkovec (10), Split (<10), and in Velika Gorica (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1683 in source Catholic Church Parish Records.