In Croatia, Usich families are Italians (from Rovinj ). In the past century, relatively most of Croatian residents bearing this family name were born in Rovinj.
Prevalence
Only a few people with faimily name Usich live in Croatia today, in two households only. They are located in two Croatian cities only, in Rovinj (<5) and Zagreb (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.