In Croatia, Kokier families are predominantly Serbs, rarely Croats (from Djurdjevac area ). In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar and in Bjelovar area.
Prevalence
Only a few people with faimily name Kokier live in Croatia today, in one household only. There were 20 of them in the middle of the past century, and their number halved. They are located in only two naselja i to in Javorovac in Djurdjevac area (<5) and Donja Kovacica in Grubisno Polje area (<5).
Outside Croatia
Family name Kokier (including: Kochier , Kookier ) is present in 7 countries on three continents. "Kookier " is used by few people in the United States.