In Croatia, Jona families are almost entirely Croats (from the Island of Pasman ), very rarely Hungarians. In the past century, relatively most of Croatian residents bearing this family name were born in Djakovo and on the Island of Pasman.
Prevalence
About 40 people with faimily name Jona live in Croatia today, in 14 households. There were 30 of them in the middle of the past century, and their number increased by 20 percent. They are located in four Croatian counties, four cities and 6 other places, mostly in Djakovo (15), Budrovci (<10), Kraj on the Island of Pasman (<10), Slavonski Brod (<5), and in Slavonski Samac in Zupanja area (<5).
