In Croatia, Lejko families are Croats (from Koprivnica ). In the past century, relatively most of Croatian residents bearing this family name were born in Vrbovec.
Prevalence
Only a few people with faimily name Lejko live in Croatia today, in one household only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in one Croatian city only, in Koprivnica (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.