According to a user meaning is From a surname that was 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.
According to a user meaning is Derived from Lacey which ...
According to a user meaning is from the name larissa
According to a user meaning is Man from normandy ; as delicate as lace