Last name Тулл (Tull 
, Tullus 
, Тулл) , in the entire world, is quite a common family name. The last name Тулл is characteristic of Barbados, where it is quite a common surname, Estonia, and Trinidad and Tobago, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in the United States, the United Kingdom, and Australia. Much less frequently, Тулл is the forename as well as the last name.