>
Cognomen Birt (伯特 , Birt , Бирт ) , all around the world, is quite a common last name. The last name Birt is characteristic of Cyprus, where it is quite a rare surname, Croatia, and Australia. Not in comparison with a country's population, this name is the most popular in the United States, the United Kingdom, and Australia. Much less frequently, Birt is the forename as well as the last name.