In Croatia, Missan families are Croats (from Pula ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula and in Labin area.
Prevalence
Only a few people with faimily name Missan live in Croatia today, in one household only. There were 0 of them in the middle of the past century, and their number remains constant. They are located in one Croatian city only, in Pula (<5).
Outside Croatia
Family name Missan is present in 22 countries worldwide.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.