Kukuljan families are Croats and they are mostly from Rijeka area. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and in Rijeka area. In Kukuljani in Rijeka area nearly every inhabitant had the family name Kukuljan.
Prevalence
About 260 people with faimily name Kukuljan live in Croatia today, in 130 households. There were 370 of them in the middle of the past century, and their number decreased by 30 percent. They are only located in in 11 Croatian cities and 30 other places, mostly in Rijeka (75), and in Kukuljani (20), Martinovo Selo (20), Podkilavac (15) and Podhum (10) in Rijeka area.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1923 in source Emigration Commission Zagreb.