Kušanić families are Croats and they are mostly from Senj area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Senj area.
Prevalence
About 130 people with faimily name Kušanić live in Croatia today, in 60 households. There were 160 of them in the middle of the past century, and their number decreased by 20 percent. They are located in the most of Croatian counties, in 16 cities and 14 other places, mostly in Zagreb (65), Letinac in Senj area (10), Sisak (<10), Brinje in Senj area (<10), and in Varazdin (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1928 in source Emigration Commission Zagreb.