In Croatia, Petrašić families are Croats (from the Island of Vis ). In the past century, relatively most of Croatian residents bearing this family name were born on the Island of Vis and in Split.
Prevalence
About 40 people with faimily name Petrašić live in Croatia today, in 13 households. There were 30 of them in the middle of the past century, and their number increased by 0 percent. They are located in five Croatian cities only: in Split (20), Solin (10), Komiza on the Island of Vis (10), Kastel Sucurac (<5), and in Zagreb (<5).
Outside Croatia
At least two families with this surname emigrated from Croatia to the United States. Family name Petrašić (including: Petrasic , Petrasich ) is present in five countries on four continents. The family name "Petrasic " is used by small number of people in the United States. "Petrasich " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1927 in source Emigration Commission Zagreb.