In Croatia, Slavnić families are mainly Serbs, less frequently Croats (from Crikvenica ). In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Travnik area) and in Glina. In Korča in Middle Bosnia every tenth inhabitant had the family name Slavnić.
Prevalence
About 70 people with faimily name Slavnić live in Croatia today, in 40 households. There were 140 of them in the middle of the past century, and their number halved. They are located in 9 Croatian counties, in 11 cities and 11 other places, mostly in Jabukovac (25), Zagreb (<10), Karlovac (<10), Vlahovic (<10), and in Jadranovo (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.