In Croatia, Štainer families are Croats (from Beli Manastir area ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek.
Prevalence
About 10 people with faimily name Štainer live in Croatia today, in three households only. They are only located in in one Croatian city and two other places, mostly in Ceminac (<10) and Popovac (<5) in Beli Manastir area, and in Osijek (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.