In Croatia, Krilj families are Croats (from Slavonski Brod area ). In the past century, relatively most of Croatian residents bearing this family name were born in Nova Gradiska and Slavonski Brod.
Prevalence
About 10 people with faimily name Krilj live in Croatia today, in four households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only four naselja i to in Nova Gradiska (<10), Slavonski Brod (<5), and in Vranovci (<5) and Bukovlje (<5) in Slavonski Brod area.
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.