Mezak families are Croats and they are mostly from Zlatar area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Zlatar.
Prevalence
About 210 people with faimily name Mezak live in Croatia today, in 100 households. There were 170 of them in the middle of the past century, and their number increased by 20 percent. They are located in the most of Croatian counties, in 15 cities and 30 other places, mostly in Zagreb (75), Sesvete (15), Zlatar (10), Gornja Batina (<10), and in Donja Selnica (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.