In Croatia, Jagnić families are almost entirely Croats (from Kutina area ), barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Sinj.
Prevalence
About 60 people with faimily name Jagnić live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number increased by 10 percent. They are located in 7 Croatian counties and 8 other places, mostly in Zagreb (30), Voloder in Kutina area (10), Split (<5), Brnaze (<5), and in Hrasce Turopoljsko (<5).
Outside Croatia
At least two families with this surname emigrated from Croatia to Germany (1) and the United States (1). Family name Jagnić (including: Jagnic , Yagnick and Yagnych ) is present in 6 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.