Meaning and name origin
Cayleigh \ca(y)-lei-gh\ as a girl's name is of Irish and Gaelic origin, and the meaning of Cayleigh is "slim and fair; slender". Cayleigh is a variant of Cayla (Irish, Gaelic): from Caoilainn. Also a variant of Kaylee (Gaelic): from Caollaidhe.
Cayleigh has 35 variant forms: Caela, Caila, Caileigh, Cailey, Cailie, Caleigh, Caley, Callie, Caylee, Cayley, Caylia, Caylie, Kaelee, Kaeleigh, Kaeley, Kaeli, Kaelie, Kailee, Kaileigh, Kailey, Kaili, Kailie, Kalee, Kaleigh, Kaley, Kalie, Kayla, Kaylea, Kaylei, Kayleigh, Kayley, Kayli, Kaylie, Kaylleigh, Kaylley.
Cayleigh 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 Cayleigh and its variant forms. Popular variation forms ranked in the Top 1000/100 are Kaylee (#52), Kayla (#102), Callie (#186), Kayleigh (#278), Kailey (#476), Kaylie (#517), Caylee (#676), Kailee (#859), Kaleigh (#902), Kayli, Cayla, Kalie, Kaley, Caleigh and Kayley. (2014 statistics).