In Croatia, Kuba families are Croats (from Pozega area ), barely Jews (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Pozega and Osijek.
Prevalence
About 60 people with faimily name Kuba live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number remains constant. They are located in 8 Croatian counties, in 9 cities and 5 other places, mostly in Jaksic in Pozega area (15), Zagreb (10), Buk (10), Pleternica (<10), and in Karlovac (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.