α. Middle English lokyer, Middle English lokyere, Middle English (in surnames)–1500s 1800s– lockyer, 1500s lockear; also (in surnames) Middle English lokier, Middle English lokiere, Middle English lokyare, 1500s lockiar.
β. Middle English–1500s locker; also (in surnames) Middle English lockere, Middle English lokar, Middle English loker, Middle English lokere, Middle English lokker, Middle English lokkere, Middle English loquer.