In Croatia, Tomušić families are Croats (from Vinkovci area ). In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Bosanski Samac area) and in Vinkovci area. In Bazik in Bosanian Posavina every twentieth inhabitant had the family name Tomušić.
Prevalence
About 30 people with faimily name Tomušić live in Croatia today, in 16 households. There were 20 of them in the middle of the past century, and their number increased by 60 percent. They are located in 6 Croatian counties, in 7 cities and 5 other places, mostly in Otok (<10) and Komletinci (<10) in Vinkovci area, Petrinja (<10), Plocice in Dubrovnik area (<10), and in Djakovo (<5).
Outside Croatia
Family name Tomušić is present in three countries.