In Croatia, Oman families are generally Croats (from Kastela area ), very rarely Slovenes (from Slovenia ). In the past century, relatively most of Croatian residents bearing this family name were born in Split and in Kastela area.
Prevalence
About 40 people with faimily name Oman live in Croatia today, in 20 households. There were 50 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 6 Croatian counties, in 9 cities and 5 other places, mostly in Split (20), Zagreb (<10), Trogir (<10), Kastel Stari (<10), and in Virje in Djurdjevac area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.