In Croatia, Lakner families are generally Croats (from Orahovica area ), very rarely Slovenes (from Rijeka ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and in Orahovica area.
Prevalence
About 40 people with faimily name Lakner live in Croatia today, in 17 households. There were 20 of them in the middle of the past century, and their number doubled. They are located in 9 Croatian counties, in 9 cities and four other places, mostly in Rijeka (<10), Osijek (<10), Mikleus in Orahovica area (<10), Zagreb (<5), and in Gornje Stative (<5).
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.