Šimonović families are Croats and they are mostly from Buje area (Vizinade). According to some sources they are from Montenegro. In the past century, relatively most of Croatian residents bearing this family name were born in Buje area and in Pula. In Jadruhi in Buje area nearly every inhabitant had the family name Šimonović.
Prevalence
About 110 people with faimily name Šimonović live in Croatia today, in 40 households. There were 110 of them in the middle of the past century, and their number remains constant. They are only located in in 8 Croatian cities and 15 other places, mostly in Jadruhi in Buje area (25), Rijeka (15), Porec (10), Velika in Pozega area (10), and in Vizinada in Buje area (10).
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.