Rubil families are Croats and they are mostly from Bosnian Posavina. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Bosanska Gradiska area) and in Slavonski Brod.
Prevalence
About 360 people with faimily name Rubil live in Croatia today, in 150 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in the most of Croatian counties, in 24 cities and 28 other places, mostly in Slavonski Brod (200), Zagreb (35), Bukovlje in Slavonski Brod area (20), Pula (10), and in Sesvete (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.