Cognomen Бейр (Beir 
, Бейр 
) , throughout the world, is a rare last name. The last name Бейр is characteristic of Belgium, where it is quite a rare surname, Tunisia, where it is a rare surname, and Portugal. Measured by absolute frequency, this name is the most popular in Belgium, the United States, and Tunisia. Very seldom, Бейр is the forename as well as the last name.