In Croatia, Petrinčić families are Croats (from Pazin area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Pazin.
Prevalence
About 50 people with faimily name Petrinčić live in Croatia today, in 18 households. There were 80 of them in the middle of the past century, and their number decreased by 40 percent. They are located in threee Croatian counties and 7 other places, mostly in Pula (15), Petina (<10), Montovani in Pazin area (<10), Sesvete (<5), and in Pazin (<5).
Outside Croatia
Family name Petrinčić (including: Petrincic , Petrincich ) is present in three countries on two 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.