In Croatia, Soša families are mainly Croats (from Buje ), less frequently Italians (from Umag ). In the past century, relatively most of Croatian residents bearing this family name were born in Umag and Buje.
Prevalence
About 20 people with faimily name Soša live in Croatia today, in 6 households. There were 30 of them in the middle of the past century, and their number decreased by 40 percent. They are located in only four naselja i to in Vardica (<10), Rijeka (<10), Umag (<5), and in Kukuljanovo (<5).
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.