Family name Bairas (Байрас 
, Bairas 
) , in all the world, is a rare surname. The family name Bairas is habitual in Greece, where it is quite a rare surname, Bulgaria, where it is a rare surname, and Ukraine, where it is a very rare surname. In absolute terms, the name is most common in Greece, the United States, and India. More frequently, Bairas is the forename as well as the last name.