In Croatia, Sossich families are Croats (from Rovinj ). In the past century, relatively most of Croatian residents bearing this family name were born in Labin area and in Pula.
Prevalence
Only a few people with faimily name Sossich live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in three Croatian cities only: in Zagreb (<5), Nova Vas (<5), and in Rovinj (<5).
Outside Croatia
Family name Sossich is present in five countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.