Bumbar families are Croats and they are mostly from Banja Luka area (Bosnia). In the past century, relatively most of Croatian residents bearing this family name were born in Banja Luka Region, Bosnia (Banja Luka area) and in Vukovar. In Barlovci in Banja Luka Region (Bosnia) every tenth inhabitant had the family name Bumbar.
Prevalence
About 70 people with faimily name Bumbar live in Croatia today, in 30 households. They are located in the most of Croatian counties, in 9 cities and 8 other places, mostly in Zagreb (20), Zadar (10), Rogoznica in Trogir area (<10), Dugo Selo (<10), and in Latin in Slunj area (<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.