Bago families are Croats and they are mostly from Bosnian Krajina. In the past century, relatively most of Croatian residents bearing this family name were born in Imotsko and in Bosnian Krajina (Bosanska Dubica area).
Prevalence
About 340 people with faimily name Bago live in Croatia today, in 130 households. There were 70 of them in the middle of the past century, and their number multiplied. They are located in the most of Croatian counties, in 22 cities and 31 other places, mostly in Zagreb (105), Imotski (75), Djakovo (30), Split (15), and in Podstrana in Solin area (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.