Surname エイデン (Aiden 
, Eiden 
, Eyden 
) , in all the world, is quite a common cognomen. The surname エイデン is characteristic of Germany, where it is quite a rare surname, Israel, and Ghana, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Germany, the United States, and Japan. More prevalently, エイデン is the forename as well as the last name.