Šubić families are Croats and they are mostly from Petrinja. In the past century, relatively most of Croatian residents bearing this family name were born in Petrinja and Sisak.
Prevalence
About 250 people with faimily name Šubić live in Croatia today, in 100 households. There were 300 of them in the middle of the past century, and their number decreased by 20 percent. They are located in the most of Croatian counties, in 24 cities and 23 other places, mostly in Petrinja (35), Kladare in Djurdjevac area (25), Zagreb (25), Mursko Sredisce (20), and in Rijeka (15).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1750 in source 18th Century Census.