In Croatia, Kocifaj families are mainly Croats (from Nasice area ), less frequently Slovaks (from Nasice ), and very rarely Bosniaks (also from Nasice ). In the past century, relatively most of Croatian residents bearing this family name were born in Nasice and Zagreb.
Prevalence
About 30 people with faimily name Kocifaj live in Croatia today, in 10 households. There were 10 of them in the middle of the past century, and their number tripled. They are located in threee Croatian counties, threee cities and 6 other places, mostly in Jelisavac (<10), Breznica Nasicka in Nasice area (<10), Zagreb (<5), Hrvatski Leskovac (<5), and in Gat (<5).
Outside Croatia
Family name Kocifaj is present in four countries on two continents.