The name Kailey is of English origin and means "Slender." The origin is the culture in which the name originated, or in the case of a word--the language in which it most appears.
form of Kayley
Kailey is on 3,363 members' favorite name lists Kailey is currently #50 on the Baby Names popularity charts Kailey is currently #683 in U.S. births.
Kailey 
