In Croatia, Boli families are predominantly Hungarians (from Osijek area ), rarely Croats (also from Osijek area ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Osijek area and in Beli Manastir area.
Prevalence
About 10 people with faimily name Boli live in Croatia today, in 6 households. There were 20 of them in the middle of the past century, and their number halved. They are located in only four naselja i to in Bilje in Osijek area (<10), and in Karanac (<5), Batina (<5) and Grabovac (<5) in Beli Manastir area.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1930 in source Emigration Commission Zagreb.