In Croatia, Lasović families are Croats (from Nova Gradiska area ). In the past century, relatively most of Croatian residents bearing this family name were born in Nova Gradiska area and in Zagreb.
Prevalence
About 50 people with faimily name Lasović live in Croatia today, in 30 households. There were 90 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 7 Croatian counties, in 7 cities and four other places, mostly in Nova Gradiska (15), Zagreb (15), Sesvete (15), Osijek (<10), and in Vrbova in Nova Gradiska area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.