Cognomen 艾兰 (Ailan 
, 艾兰 , Eiland 
) , globally, is quite a common family name. The cognomen 艾兰 is characteristic of Estonia, where it is quite a rare surname, Argentina, and Syria. In absolute terms, it is commonest in the United States, Argentina, and China. Also, 艾兰 is the forename as well as the last name.