Janječić families are Croats and they are mostly from Velika Gorica area (Obrez). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Velika Gorica. In Kobilić in Velika Gorica every tenth inhabitant had the family name Janječić.
Prevalence
About 150 people with faimily name Janječić live in Croatia today, in 50 households. There were 100 of them in the middle of the past century, and their number increased by 50 percent. They are located in 6 Croatian counties, in 7 cities and 10 other places, mostly in Zagreb (30), Odranski Obrez (25), Velika Gorica (15), Breza (<10), and in Kupinecki Kraljevec (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1929 in source Emigration Commission Zagreb.