Save Type Surname (from location) Usage English Pronounced Pron. /ˈleɪ.si/ [key·simplify] Meaning & History Derived from Lassy, the name of a town in Normandy. The name of the town was Gaulish in origin, perhaps deriving from a personal name that was Latinized as Lascius. Related NamesDetails RootLassy (place name)VariantLacyGiven Name DescendantLacey(English)