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Cognomen Tiro (Tiro , טירו , 泰若 ) , in the world, is a common family name. The surname Tiro is habitual in Botswana, where it is quite a common surname, Bosnia and Herzegovina, and South Africa, where it is quite a rare surname. In absolute terms, it is commonest in Indonesia, Philippines, and Mexico. Likewise, Tiro is the forename as well as the last name.