Jamić families are Croats and they are mostly from Hrvatska Kostajnica area. In the past century, relatively most of Croatian residents bearing this family name were born in Hrvatska Kostajnica area and in Hrvatska Kostajnica. In Kostrići in Hrvatska Kostajnica area every eighth inhabitant had the family name Jamić.
Prevalence
About 80 people with faimily name Jamić live in Croatia today, in 30 households. There were 90 of them in the middle of the past century, and their number decreased by 10 percent. They are only located in in 8 Croatian cities and 5 other places, mostly in Zagreb (25), Majur in Cazma area (10), Majur in Hrvatska Kostajnica area (10), Sisak (<10), and in Velika Gorica (<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.