In Croatia, Šižgorić families are Croats (from Sibenik ), barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and Zagreb.
Prevalence
About 60 people with faimily name Šižgorić live in Croatia today, in 30 households. There were 80 of them in the middle of the past century, and their number decreased by 30 percent. They are located in four Croatian counties, in 6 cities and two other places, mostly in Sibenik (30), Zirje (15), Zagreb (<10), Brodarica (<10), and in Rijeka (<10).
Outside Croatia
At least three families with this surname emigrated from Croatia to the United States (2) and Australia (1). Family name Šižgorić (including: Sizgoric , Sizgorich ) is present in 9 countries on four continents. The family name "Sizgoric " is used by small number of people in the United States , small number in Australia , and small number of people in Chile. "Sizgorich " is used by small number of people in Peru and small number in the United States.