In Croatia, Joseph families are Croats (from Pula ).
Prevalence
About 10 people with faimily name Joseph live in Croatia today, in one household only. They are located in two Croatian counties, two cities and another small place , mostly in Pula (<5), Umag (<5), and in Sukosan in Zadar area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1929 in source Emigration Commission Zagreb.