In Croatia, Češić families are almost entirely Croats (from Nova Gradiska area ), barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Nova Gradiska and in Nova Gradiska area.
Prevalence
About 40 people with faimily name Češić live in Croatia today, in 16 households. There were 60 of them in the middle of the past century, and their number decreased by 40 percent. They are located in four Croatian counties and four other places, mostly in Resetari in Nova Gradiska area (30), Pazin (<10), Nova Gradiska (<10), Bazgalji in Pazin area (<5), and in Rijeka (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.