In Croatia, Katica families are Croats (from Sibenik ). In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and Virovitica.
Prevalence
About 10 people with faimily name Katica live in Croatia today, in five households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in four Croatian cities only: in Zagreb (<10), Rijeka (<5), Zlarin (<5), and in Dugo Selo (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over eighty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.