Cognomen Аддай (Addai 
, Аддай 
) , in the world, is a common family name. The last name Аддай is characteristic of Ghana, where it is quite a common surname, Curacao, and Qatar, where it is a rare surname. In absolute terms, it most frequently occurs in Ghana, the United States, and the United Kingdom. Very seldom, Аддай is the forename as well as the last name.