Tušak families are Croats and they are mostly from Klanjec area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Klanjec area. In Črešnjevec in Klanjec area every seventh inhabitant had the family name Tušak.
Prevalence
About 120 people with faimily name Tušak live in Croatia today, in 60 households. There were 130 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 10 Croatian counties, in 13 cities and 11 other places, mostly in Zagreb (45), Cresnjevec in Klanjec area (35), Veliko Korenovo (10), Bjelovar (<10), and in Sisak (<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.