In Croatia, Ivačević families are Croats (from Cazma ). In the past century, relatively most of Croatian residents bearing this family name were born in Cazma and Bjelovar. In Cerina in Cazma every eighth inhabitant had the family name Ivačević.
Prevalence
About 20 people with faimily name Ivačević live in Croatia today, in 9 households. There were 30 of them in the middle of the past century, and their number decreased by 30 percent. They are located in only five naselja i to in Cazma (10), Zagreb (<10), Cerina (<10), Martinska Ves (<5), and in Suhaja (<5).
Outside Croatia
Family name Ivačević (including: Ivacevic , Ivacevich and Iwacewicz ) is present in five countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.