Bušac families are Croats and they are mostly from Sibenik. In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and Rijeka.
Prevalence
About 90 people with faimily name Bušac live in Croatia today, in 40 households. There were 40 of them in the middle of the past century, and their number doubled. They are located in 6 Croatian counties, in 7 cities and four other places, mostly in Sibenik (55), Zagreb (10), Rijeka (<10), Dubrava kod Sibenika (<5), and in Zapresic (<5).
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.