In Croatia, Bučković families are almost entirely Croats (from Opatija area ), very rarely Slovenes (also from Opatija area ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and in Opatija area. In Male Mune in Opatija area every sixth inhabitant had the family name Bučković.
Prevalence
About 30 people with faimily name Bučković live in Croatia today, in 13 households. There were 50 of them in the middle of the past century, and their number decreased by 40 percent. They are located in threee Croatian counties, four cities and 5 other places, mostly in Rijeka (<10), in Male Mune (<10) and Jurdani (<5) in Opatija area, Opatija (<5), and in Vele Mune in Opatija area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1943 in source Directorium ARCHI-DIOECESI ZAGREBIENSI.