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Cognomen Laurian (Laurian
) , throughout the world, is quite a common surname. The cognomen Laurian is habitual in Tanzania, where it is quite a common surname, Romania, where it is quite a rare surname, and Philippines, where it is a rare surname. Not in comparison with a country's population, the name is most common in Tanzania, Mexico, and Philippines. Also, Laurian is the forename as well as the last name.