In Croatia, Ošo families are generally Croats (from Buzet area ), rarely Italians (also from Buzet area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula and in Slovenia.
Prevalence
About 20 people with faimily name Ošo live in Croatia today, in 6 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only four naselja i to in Sveti Ivan in Buzet area (10), Buzet (<10), Sveti Ivan (<5), and in Labin (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.