Meaning and name origin
Cailey \ca(i)-ley\ as a girl's name (also used as boy's name Cailey), is of Irish, Gaelic and Arabic origin, and the meaning of Cailey is "slim and fair; darling, beloved". Cailey is a variant of Cayla (Irish, Gaelic): from Caoilainn. Also a variant of Kalila (Arabic).
Cailey has 23 variant forms: Caela, Caila, Caileigh, Cailie, Caleigh, Caley, Callie, Caylee, Cayleigh, Cayley, Caylia, Caylie, Kaileigh, Kailey, Kailie, Kaleigh, Kalie, Kaly, Kayla, Kaylee, Kayleigh, Kayley, Kayllie.
Cailey is not a popular first name for females and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is a comparison of the popularity of the girl name Cailey and its variant forms. Popular variation forms ranked in the Top 1000/100 are Kaylee (#52), Kayla (#102), Callie (#186), Kayleigh (#278), Kailey (#476), Caylee (#676), Kaleigh (#902), Kayley, Cayla, Kalie and Caleigh. (2014 statistics).
Cailey is also pronounced similarly to Calee, Callee, Calley, Cally, Coley, Kaeley, Kahley, Kailee, Kaley, Kalley and Kiley. Other suggested similar baby names are Bailey, Cailen, Caisey, Caitey, Carley, Ceileh, Cile, Cilly, Hailey and Railey. These names tend to be more commonly used than Cailey.