In Croatia, Pernich families are Croats (from Buje ). In the past century, relatively most of Croatian residents bearing this family name were born in Umag and in Slovenia.
Prevalence
Only a few people with faimily name Pernich live in Croatia today, in one household only. There were 0 of them in the middle of the past century, and their number remains constant. They are located in two Croatian cities only, in Plovanija (<5) and Umag (<5).
Outside Croatia
Family name Pernich is present in five countries on four continents. The family name "Pernich " is used by some 70 people in Argentina , about 60 in Italy , 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 five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.