Bučan families are Croats and they are mostly from Velika Gorica. In the past century, relatively most of Croatian residents bearing this family name were born in Split and Zagreb.
Prevalence
About 70 people with faimily name Bučan live in Croatia today, in 40 households. There were 230 of them in the middle of the past century, and their number decreased significantly. They are located in 9 Croatian counties, in 16 cities and 8 other places, mostly in Zagreb (20), Split (15), Mravince (10), Velika Gorica (<10), and in Kobilic (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.