Cognomen Tairis (Tairis 
) , all around the world, is a rare family name. The cognomen Tairis is characteristic of Greece, where it is quite a rare surname, Venezuela, where it is a rare surname, and Nicaragua, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Greece, Venezuela, and Colombia. Likewise, Tairis is the forename as well as the last name.