Vujanić families are mainly Serbs and they are mostly from Knin area , whereas often Croats (from Jastrebarsko area ). In the past century, relatively most of Croatian residents bearing this family name were born in Hrvatska Kostajnica area and in Knin area. In Zrinski Brđani in Hrvatska Kostajnica area every fourth inhabitant had the family name Vujanić.
Prevalence
About 330 people with faimily name Vujanić live in Croatia today, in 170 households. There were 660 of them in the middle of the past century, and their number halved. They are located in almost all Croatian counties, in 35 cities and 49 other places, mostly in Zagreb (45), Dvor in Hrvatska Kostajnica area (35), Ervenik in Knin area (35), Pisarovina in Jastrebarsko area (20), and in Sisak (15).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.