In Croatia, Kuščić families are Croats (from the Island of Brac ). In the past century, relatively most of Croatian residents bearing this family name were born in Split and on the Island of Brac.
Prevalence
About 30 people with faimily name Kuščić live in Croatia today, in 10 households. There were 30 of them in the middle of the past century, and their number remains constant. They are located in threee Croatian counties, four cities and threee other places, mostly in Postira on the Island of Brac (<10), Mravince (<10), Split (<10), Zagreb (<5), and in Posavski Bregi (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.