In Croatia, Hauser families are generally Croats (from Delnice ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Pula and in Slatina area.
Prevalence
About 20 people with faimily name Hauser live in Croatia today, in 9 households. There were 10 of them in the middle of the past century, and their number doubled. They are only located in in 7 Croatian cities and another small place , mostly in Pula (<10), Kastav (<5), Karlovac (<5), Slatina (<5), and in Delnice (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.