Cayley \ca(y)-ley\ as a girl's name is a variant of Cayla (Irish, Gaelic) and Kaylee (Gaelic), and the meaning of Cayley is "slim and fair; slender". See also Callie.

The baby name Cayley sounds like Calley, Kayley, Caylee, Caley and Cailey. Other similar baby names are Bayley, Caylen, Carley, Caysey, Caycey and Hayley.