Tomaško families are Croats and they are mostly from Djakovo. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Djakovo. In Vranja in Buzet area every ninth inhabitant had the family name Tomaško.
Prevalence
About 120 people with faimily name Tomaško live in Croatia today, in 50 households. There were 140 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 7 Croatian counties, in 14 cities and 9 other places, mostly in Djakovo (15), Zagreb (15), Sveta Nedelja in Samobor area (10), Vranja in Buzet area (<10), and in Selci Djakovacki (<10).
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.