Kailey \ka(i)-ley\ as a girl's name is a variant of Cayla (Irish, Gaelic), Kalila (Arabic) and Kaylee (Gaelic), and the meaning of Kailey is "slim and fair; darling, beloved; slender".

The baby name Kailey sounds like Kalley, Kaley, Kahley, Kayley, Cailey, Kailee, Kaeley and Kiley. Other similar baby names are Bailey, Kaitey, Hailey, Karley and Railey.