Tomašić families are Croats and they are mostly from the Island of Korcula. According to some sources sa otoka Krka or Sibenik area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Cakovec. In Smokvica on the Island of Korcula every fifth inhabitant had the family name Tomašić.
Prevalence
About 1900 people with faimily name Tomašić live in Croatia today, in 820 households. There were 2300 of them in the middle of the past century, and their number decreased by 20 percent. They are located in all Croatian counties, in 70 cities and 208 other places, mostly in Zagreb (290), Smokvica on the Island of Korcula (150), Rijeka (75), Velika Gorica (55), and in Karlovac (50).
In the sources analysed in the project Acta Croatica so far, the name is mentioned about one hundred times, the first time 1729 in source Catholic Church Parish Records.