Kerum families are Croats and they are mostly from Sinj area. In the past century, relatively most of Croatian residents bearing this family name were born in Sinj area and in Split. In Radunić in Sinj area every second inhabitant had the family name Kerum.
Prevalence
About 210 people with faimily name Kerum live in Croatia today, in 80 households. There were 110 of them in the middle of the past century, and their number doubled. They are located in four Croatian counties, in 8 cities and 12 other places, mostly in Split (100), Solin (45), in Radunic (25) and Gornji Muc (<10) in Sinj area, and in Makarska (<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.