In Croatia, Kaica families are Croats (from the Island of Ugljan ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Zadar.
Prevalence
About 20 people with faimily name Kaica live in Croatia today, in 8 households. There were 30 of them in the middle of the past century, and their number decreased by 30 percent. They are located in only five naselja i to in Rijeka (10), Kukljica on the Island of Ugljan (<10), Podhum in Rijeka area (<5), Cres on the Island of Cres (<5), and in Zadar (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.