While we found no Spanish name equivalent to the name Kailey, it could be related to the Spanish name "Catalina". Kailey is pronounced the same way in Spanish.
Kailey as a name for girls is of Arabic and Gaelic origin, it means "slim and fair; darling, beloved; slender".
Kailey is a version of Cayla (Irish, Gaelic): from Caoilainn. It is also a variation of Kalila (Arabic), and is also used as a variation of Kaylee (Gaelic).
See other variations for the name Kailey at Think Baby Names.
Check out some of the most common men's and women's name with their Spanish name equivalents at Bright Hub Education.