In Croatia, Landher families are Croats (from Osijek ). In the past century, relatively most of Croatian residents bearing this family name were born in Vukovar.
Prevalence
About 10 people with faimily name Landher live in Croatia today, in four households only. They are located in two Croatian cities only, in Osijek (<10) and Zagreb (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1927 in source Emigration Commission Zagreb.