In Croatia, Lapaine families are Croats (from Jastrebarsko area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
About 10 people with faimily name Lapaine live in Croatia today, in 8 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only four naselja i to in Zagreb (<10), Varazdin (<5), Vrhovcak (<5), and in Jamnica Pisarovinska in Jastrebarsko area (<5).
Outside Croatia
Family name Lapaine is present in 11 countries on three continents. "Lapayne " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.