Cognomen Эйлин (Eileen 
, Aileen , Eylin 
) , all around the world, is a common family name. The surname Эйлин is characteristic of Singapore, where it is quite a rare surname, Honduras, and Nicaragua. Measured by absolute frequency, it is the most numerous in Indonesia, Venezuela, and Mexico. Much more prevalently, Эйлин is the forename as well as the last name.