In Croatia, Rocchi families are Italians (from Pula ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula.
Prevalence
Only a few people with faimily name Rocchi live in Croatia today, in four households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in two Croatian cities only, in Pula (<5) and Rijeka (<5).
Outside Croatia
Family name Rocchi is present in 47 countries worldwide. "Rocchie " is used by few people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.