Save Type Surname (from location) Usage English Pronounced Pron. LAY-see [key·IPA] 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 VariantLacyGiven Name DescendantLacey(English)