In Croatia, Sykora families are predominantly Croats (from Zagreb ), rarely Bulgarians. In the past century, relatively most of Croatian residents bearing this family name were born in Daruvar and Zagreb.
Prevalence
Only a few people with faimily name Sykora live in Croatia today, in four households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in two Croatian cities only, in Zagreb (<10) and Lipovac Majur (<5).
Outside Croatia
Family name Sykora is present in 14 countries on three continents. The family name "Sykora " is used by some 2000 people in the United States , about 1000 in Czech Republic , and some 500 people in Germany.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.