Dučkić families are Croats and they are mostly from Janjevo , Kosovo. In the past century, relatively most of Croatian residents bearing this family name were born in Janjevo, Kosovo and in Zagreb.
Prevalence
About 280 people with faimily name Dučkić live in Croatia today, in 80 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in 7 Croatian counties, in 6 cities and 6 other places, mostly in Zagreb (245), Kistanje in Knin area (50), Sesvete (15), Zapresic (<10), and in Sibenik (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over forty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.