Svirčić families are Croats and they are mostly from Sibenik. In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and Zadar.
Prevalence
About 240 people with faimily name Svirčić live in Croatia today, in 100 households. There were 120 of them in the middle of the past century, and their number doubled. They are located in 10 Croatian counties, in 11 cities and 10 other places, mostly in Sibenik (85), Grebastica (55), Zadar (20), Zagreb (20), and in Split (10).
Outside Croatia
At least three families with this surname emigrated from Croatia to the United States (2) and Australia (1). Family name Svirčić (including: Svircic , Svircich and Svircas ) is present in five countries on three continents. The family name "Svircic " 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 2007 in source Encyclopaedia of Croatian Surnames.