In Croatia, Keršić families are Croats (from the Island of Cres ). In the past century, relatively most of Croatian residents bearing this family name were born on the Island of Cres and in Split.
Prevalence
About 40 people with faimily name Keršić live in Croatia today, in 16 households. There were 50 of them in the middle of the past century, and their number decreased by 20 percent. They are located in only five naselja i to in Cres on the Island of Cres (15), Vrboska on the Island of Hvar (15), Split (<10), Loznati on the Island of Cres (<10), and in Rijeka (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1614 in source Catholic Church Parish Records.