In Croatia, Carlin families are Italians (from Novigrad ). In the past century, relatively most of Croatian residents bearing this family name were born in Umag.
Prevalence
Only a few people with faimily name Carlin live in Croatia today, in one household only. They are located in one Croatian city only, in Novigrad (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1924 in source Emigration Commission Zagreb.