Cognomen كيلى (Kelley 
, Kiley , Keeley ) , around the world, is a widespread last name. The surname كيلى is characteristic of the United States, where it is quite a common surname, Ireland, and New Zealand. In absolute terms, this name is the most popular in the United States, the United Kingdom, and Canada. Likewise, كيلى is the forename as well as the last name.