Merćep families are almost entirely Croats and they are mostly from Omis area , rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Omis area and in Split.
Prevalence
About 130 people with faimily name Merćep live in Croatia today, in 70 households. There were 230 of them in the middle of the past century, and their number decreased by 50 percent. They are located in 6 Croatian counties, in 9 cities and four other places, mostly in Split (50), Zagreb (30), Katuni in Omis area (15), Belisce (<10), and in Dugi Rat in Omis area (<10).
Outside Croatia
Family name Merćep is present in 9 countries on three continents. The family name "Mercep " is used by some 80 people in Germany , about 50 in New Zealand , and small number of people in the United States.
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.