In Croatia, Roch families are Croats by relative majority (from Rijeka ), equally Italians (also from Rijeka ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka.
Prevalence
Only a few people with faimily name Roch live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in one Croatian city only, in Rijeka (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1925 in source Emigration Commission Zagreb.