Hayer

Various etymologies: * A variant of the English surname Ayer. * A topographic surname for someone who lived by an enclosure, from Middle English hay (“enclosure, hedge”) + -er. * Borrowed from French Hayer, an occupational surname for a warder of a woodland, from Old French haye (“hedge”). * Borrowed from South German Hayer, from an agent derivative of Middle High German heien (“to guard, protect”). * Borrowed from Punjabi ਹਾਈਯਰ (hāīyar), surname based on the name of a Jat clan.

来源：wiktionary