Nejašmić families are Croats and they are mostly from Omis area. In the past century, relatively most of Croatian residents bearing this family name were born in Omis area and in Split.
Prevalence
About 240 people with faimily name Nejašmić live in Croatia today, in 90 households. There were 170 of them in the middle of the past century, and their number increased by 40 percent. They are located in 9 Croatian counties, in 10 cities and 15 other places, mostly in Split (105), Zagreb (40), in Sestanovac (35) and Dugi Rat (15) in Omis area, and in Podstrana in Solin area (10).
Outside Croatia
Family name Nejašmić is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.