In Croatia, Cossara families are mainly Italians (from Pula ), rarely Croats (from Pula area ), and very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Pula.
Prevalence
About 10 people with faimily name Cossara live in Croatia today, in three households only. There were 20 of them in the middle of the past century, and their number halved. They are located in one Croatian city only, in Vodnjan in Pula area (10).
Outside Croatia
Family name Cossara is present in five countries on three continents.
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.