Family name Дайр (Dayr 
, Дайр 
) , all around the world, is a very rare cognomen. The last name Дайр is habitual in Morocco, where it is a rare surname, New Zealand, where it is a very rare surname, and Kazakhstan. Not in comparison with a country's population, it most frequently occurs in Morocco, Kazakhstan, and Mexico. Also, Дайр is the forename as well as the last name.