Lesjak families are Croats and they are mostly from Cakovec. In the past century, relatively most of Croatian residents bearing this family name were born in Cakovec and Zagreb.
Prevalence
About 290 people with faimily name Lesjak live in Croatia today, in 130 households. There were 230 of them in the middle of the past century, and their number increased by 30 percent. They are located in the most of Croatian counties, in 15 cities and 41 other places, mostly in Cakovec (95), Pribislavec (30), Zagreb (30), Mackovec (20), and in Ivanovec (15).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.