Biličić families are Croats and they are mostly from Duga Resa. According to some sources they are from Livna and south Dalmatia (Split, Dubrovnik). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and Duga Resa. In Galović Selo in Duga Resa every third inhabitant had the family name Biličić.
Prevalence
About 260 people with faimily name Biličić live in Croatia today, in 100 households. There were 330 of them in the middle of the past century, and their number decreased by 20 percent. They are located in the most of Croatian counties, in 16 cities and 21 other places, mostly in Duga Resa (45), Draganic in Karlovac area (35), Zagreb (35), Karlovac (25), and in Zbjeg in Pleternica area (20).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1516 in source Catholic Church Parish Records.