>
Surname Sirbu (Sirbu , Sîrbu , Сырбу ) , in all the world, is a common cognomen. The cognomen Sirbu is habitual in Moldova, where it is a common surname, Romania, and Eswatini, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in Eastern Europe, particularly Romania, Moldova, and Russia. Very seldom, Sirbu is the forename as well as the last name.