In Croatia, Lahner families are generally Croats (from Nasice ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Nasice and Osijek.
Prevalence
About 20 people with faimily name Lahner live in Croatia today, in four households only. There were 20 of them in the middle of the past century, and their number remains constant. They are located in two Croatian cities only, in Nasice (<10) and Koprivnica (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.