Surname جيلن (Gillen 
, جيلن) , across the world, is a common family name. The family name جيلن is characteristic of Luxembourg, where it is quite a common surname, Ireland, and Gambia. Measured by absolute frequency, this name is the most popular in the United States, the United Kingdom, and Ireland. Very seldom, جيلن is the forename as well as the last name.