Lucy is an English and French feminine given name derived from Latin masculine given name Lucius with the meaning of Light. Alternative spellings are Luci, Luce, Lucie. Lucy is also an American, Australian, Canadian, English, Irish, Scottish, Welsh and French surname.
The English Lucy surname is taken from the Norman language that was Latin-based and derives from place names in Normandy based on Latin male personal name Lucius. It was transmitted to England after the Norman Conquest in the 11th Century (see also De Lucy).