Blaško families are Croats and they are mostly from Ivanec area. In the past century, relatively most of Croatian residents bearing this family name were born in Djakovo and in Ivanec area.
Prevalence
About 110 people with faimily name Blaško live in Croatia today, in 50 households. There were 140 of them in the middle of the past century, and their number decreased by 30 percent. They are located in the most of Croatian counties, in 21 cities and 18 other places, mostly in Ivanovci Gorjanski (15), Osijek (10), Bjelovar (<10), Lipovnik in Ivanec area (<10), and in Zagreb (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.