Last name Талли (Tully 
, Tally , Talli 
) , worldwide, is a common surname. The cognomen Талли is characteristic of Northern Europe, particularly Ireland, where it is quite a common surname, Isle of Man, and Estonia. Measured by absolute frequency, this name is the most popular in the United States, India, and the United Kingdom. Much less frequently, Талли is the forename as well as the last name.