Tags: Given Name, Name.
Kailey is a feminine first or middle name. The name has multiple origins depending on the spelling. As an example one of the forms originates from the Gaelic word for a social celebration cèilidh (pronounced kā’lē). However there are other meanings from around the world based on the spelling even though there is a similar sound. In another form Kailey is Greek for rare beauty. It is a Welsh name meaning slender. And in English it means keeper of the keys.