In Croatia, Perossa families are predominantly Italians (from Buje ), rarely Croats. In the past century, relatively most of Croatian residents bearing this family name were born in Labin and Buje.
Prevalence
Only a few people with faimily name Perossa live in Croatia today, in four households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only threee naselja i to in Buje (<5), Umag (<5), and in Barbici in Labin area (<5).
Outside Croatia
Family name Perossa is present in 7 countries on four continents. The family name "Perossa " is used by some 200 people in Italy , about 200 in Argentina , and small number of people in the United States.
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.