In Croatia, Tomasov families are generally Croats (from the Island of Pasman ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zadar and in Serbia.
Prevalence
About 30 people with faimily name Tomasov live in Croatia today, in 13 households. There were 40 of them in the middle of the past century, and their number decreased by 20 percent. They are located in four Croatian counties, four cities and 6 other places, mostly in Dobropoljana on the Island of Pasman (20), Zagreb (<10), Kukljica on the Island of Ugljan (<10), Zadar (<5), and in Djurdjevac (<5).