Šijan families are mainly Serbs and they are mostly from Knin area , whereas often Croats (from Osijek ). In the past century, relatively most of Croatian residents bearing this family name were born in Knin area and in Zagreb. In places Prljevo and Kupirovo in Knin area every third inhabitant had the family name Šijan.
Prevalence
About 210 people with faimily name Šijan live in Croatia today, in 110 households. There were 310 of them in the middle of the past century, and their number decreased by 30 percent. They are located in the most of Croatian counties, in 23 cities and 29 other places, mostly in Zagreb (50), Rijeka (20), Osijek (20), Pula (15), and in Zadar (10).
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.