Sičić families are Croats and they are mostly from Omis. In the past century, relatively most of Croatian residents bearing this family name were born in Omis and Split. In Ostrvica in Omis every third inhabitant had the family name Sičić.
Prevalence
About 180 people with faimily name Sičić live in Croatia today, in 80 households. There were 110 of them in the middle of the past century, and their number increased by 60 percent. They are located in 10 Croatian counties, in 14 cities and 12 other places, mostly in Ostrvica (50), Zadar (30), Split (10), Velika Gorica (10), and in Gornja Vrba in Slavonski Brod area (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.