In Croatia, Bosich families are mainly Croats (from Rovinj area ), less frequently Italians (from Buje ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula and Rovinj.
Prevalence
About 10 people with faimily name Bosich live in Croatia today, in 7 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in four Croatian cities only: in Rovinj (<5), Pula (<5), Porec (<5), and in Buje (<5).
Outside Croatia
Family name Bosich (including: Bosych , Bossich and Boshich ) is present in 19 countries on four continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned about one hundred times, the first time 1750 in source 18th Century Census.