Wikipedia:
Hayley ( /ˈeɪ/) is a given name. It was adopted from the English surname, which is based on a place name derived from Old English heg "hay" and ley "clearing or meadow", but many sources accept that it was also separately derived from the Old Norse word haela meaning "hero". While it can be used for males, Hayley is most commonly a female given name. This use became popular due to actress Hayley Mills' celebrity, resulting in Hayley becoming one of the top 1500 female names in the US today.
There are many variations of Hayley, including Haeli, Haelli, Hailee, Hailey, Haylie, Hailie, Hailly, Halee, Haleigh, Haley, Hali, Halie, Haliey, Halii, Halley, Haly, Haylea, Haylee, Hayly and Hayleigh.
Notable people with the given name
Actors
Hayley Angel Wardle, English actressHayley Atwell, English actressHayley Barr, American actressHayley Bishop, English actressHayley Carmichael, English actress, theatre directorHayley Mills, English actressHayley Tamaddon, English actressMary Hayley Bell, English actress, writer, dramatist Athletes
Hayley Lewis, Australian swimmerHayley Peirsol, American swimmerHayley Wickenheiser, Canadian ice hockey playerHayley Tullett, Welsh runner Musicians
Hayley Aitken, Australian singer-songwriterHayley Sanderson, English singerHayley Taylor, American singer-songwriter, actressHayley Westenra, New Zealand singerHayley Williams, lead singer-songwriter from ParamoreHayley Kiyoko, American entertainer and member of The StunnersHayley Legg, Australian singer-songwriter Reality TV entertainers
Hayley Jensen, Australian Idol 2Hayley Rey, Dr. 90210Hayley Wilkins, Britain's Next Top Model 1Hayley Buchanan, Britain's Next Top Model 5 Miscellaneous
Hayley Chapman, Australian television presenterHayley McQueen, British television presenterHayley Okines, progeria activistHayley Rosenblum, American radio presenter
Fictional characters with the given name
Hayley Cropper, Coronation StreetHayley Smith, American DadHayley Smith, Home and AwayHayley Stark, Hard CandyHayley Steele, The TroopHayley Vaughan Santos, All My Children