Cognomen بيلى (Billy 
, Bailey , بيلى 
) , all around the world, is a widespread last name. The surname بيلى is characteristic of Jamaica, where it is a common surname, Saint Vincent and the Grenadines, and Guernsey (explore the name in all countries). In absolute terms, this name is the most popular in the United States, the United Kingdom, and Australia. Also, بيلى is the forename as well as the last name.