Sumić families are Croats and they are mostly from Makarska area. In the past century, relatively most of Croatian residents bearing this family name were born in Makarska and in Makarska area.
Prevalence
About 160 people with faimily name Sumić live in Croatia today, in 70 households. There were 150 of them in the middle of the past century, and their number increased by 10 percent. They are located in 6 Croatian counties, in 10 cities and 9 other places, mostly in Split (40), Podgora in Makarska area (35), Zagreb (30), Makarska (25), and in Porec (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1925 in source Emigration Commission Zagreb.