In Croatia, Lučki families are Croats (from Krizevci area ). In the past century, relatively most of Croatian residents bearing this family name were born in Krizevci area and in Koprivnica. In Vinarec in Krizevci area every ninth inhabitant had the family name Lučki.
Prevalence
About 50 people with faimily name Lučki live in Croatia today, in 19 households. There were 70 of them in the middle of the past century, and their number decreased by 30 percent. They are only located in in 7 Croatian cities and 9 other places, mostly in Medja in Krizevci area (15), Krizevci (10), Zvonik in Cazma area (<10), Bjelovar (<5), and in Kozinscak (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over sixty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.