Bučar families are Croats and they are mostly from Ozalj area. According to some sources they are from Bucar in Zumberak. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Ozalj area. In places Barovka and Prvinci in Jastrebarsko area every third inhabitant had the family name Bučar.
Prevalence
About 250 people with faimily name Bučar live in Croatia today, in 110 households. There were 280 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 10 Croatian counties, in 16 cities and 35 other places, mostly in Zagreb (90), Donji Ostrc in Ozalj area (20), Karlovac (15), Jastrebarsko (10), and in Vuksin Sipak (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.