Ćubić families are Croats and they are mostly from Omis area. In the past century, relatively most of Croatian residents bearing this family name were born in Omis area and in Bosanian Posavina (Derventa area).
Prevalence
About 150 people with faimily name Ćubić live in Croatia today, in 60 households. There were 10 of them in the middle of the past century, and their number multiplied. They are located in the most of Croatian counties, in 12 cities and 10 other places, mostly in Split (50), Cista Provo in Omis area (35), Zagreb (10), Djakovo (10), and in Kastel Kambelovac (<10).
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.