In Croatia, Rajner families are Croats (from Orahovica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Orahovica area. In Vetovo in Orahovica area every nintieth inhabitant had the family name Rajner.
Prevalence
About 50 people with faimily name Rajner live in Croatia today, in 15 households. There were 50 of them in the middle of the past century, and their number remains constant. They are located and 6 other Croatian places, mostly in Sesvete (<10), Mikleus in Orahovica area (<10), Vrtlinovec (<10), Vinica in Ivanec area (<10), and in Pozega (<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.