Jerčinović families are Croats and they are mostly from Novi Vinodolski area. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and in Novi Vinodolski area.
Prevalence
About 120 people with faimily name Jerčinović live in Croatia today, in 50 households. There were 130 of them in the middle of the past century, and their number decreased by 10 percent. They are located in four Croatian counties, in 8 cities and 9 other places, mostly in Drivenik in Novi Vinodolski area (35), Rijeka (30), Zagreb (10), Koprivnica (10), and in Bribir in Novi Vinodolski area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.