Lacmanović families are mainly Croats and they are mostly from Sibenik , often Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and Benkovac. In Lišane Tinjske in Benkovac every ninth inhabitant had the family name Lacmanović.
Prevalence
About 260 people with faimily name Lacmanović live in Croatia today, in 130 households. There were 250 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 21 cities and 13 other places, mostly in Sibenik (45), Zagreb (30), Zadar (25), Ostrovo in Vinkovci area (20), and in Dubrava kod Sibenika (15).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.