Osman families are mainly Croats and they are mostly from Djurdjevac area , also Serbs and Roms (from Novska ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Djurdjevac.
Prevalence
About 170 people with faimily name Osman live in Croatia today, in 70 households. There were 130 of them in the middle of the past century, and their number increased by 30 percent. They are located in the most of Croatian counties, in 17 cities and 21 other places, mostly in Zagreb (25), Duga Rijeka in Koprivnica area (25), Novska (25), Rijeka (<10), and in Koprivnica (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.