Kiršić families are Croats and they are mostly from Labin area. In the past century, relatively most of Croatian residents bearing this family name were born in Labin and Pula. In Jurazini in Labin area nearly every inhabitant had the family name Kiršić.
Prevalence
About 140 people with faimily name Kiršić live in Croatia today, in 60 households. There were 110 of them in the middle of the past century, and their number increased by 20 percent. They are located in four Croatian counties, in 6 cities and 16 other places, mostly in Jurazini (35) and Nedescina (25) in Labin area, Labin (25), Rijeka (10), and in Pula (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.