Mandekić families are Croats and they are mostly from Senj. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Senj. In Prizna in Senj every seventh inhabitant had the family name Mandekić.
Prevalence
About 240 people with faimily name Mandekić live in Croatia today, in 100 households. There were 210 of them in the middle of the past century, and their number increased by 10 percent. They are located in the most of Croatian counties, in 23 cities and 25 other places, mostly in Rijeka (65), Crikvenica (25), Zagreb (15), Kraljevica (15), and in Cikovici (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.