In Croatia, Sipos families are Hungarians (from Backa, Vojvodina ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Backa, Vojvodina.
Prevalence
Only a few people with faimily name Sipos live in Croatia today, in three households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in one Croatian city only, in Zagreb (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.