Kivač families are Croats and they are mostly from Ludbreg. In the past century, relatively most of Croatian residents bearing this family name were born in Ludbreg and Cakovec.
Prevalence
About 120 people with faimily name Kivač live in Croatia today, in 50 households. There were 120 of them in the middle of the past century, and their number remains constant. They are located in 7 Croatian counties, in 10 cities and 15 other places, mostly in Cehovec (20), Apatija (20), Zagreb (15), Novska (15), and in Koprivnica (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.