Origin of the name Kiley: Transferred use of the Irish surname, which is a variant of O'Kiely. The name is from the Gaelic O'Cadhla (descendant of Cadhla), which is from cadhla (graceful, beautiful).
Meanings and history of the name Kyleigh: | Edit. Graceful; Beautiful. It also derived from a Noongar (an Australian aboriginal word) meaning Boomerang. In Hawaiian it means Beautiful Spirit. Its Gaelic meaning is Handsome or Beautiful.
