Hailey \ha(i)-ley\ as a boy's name (also used as girl's name Hailey), is a variant of Haley (Old English, Irish, Gaelic), and the meaning of Hailey is "hay meadow; ingenious, clever".

The baby name Hailey sounds like Hayley, Halley, Haily and Hawley. Other similar baby names are Bailey, Cailey, Dailey, Hadley, Hagley, Hanley and Harley.