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Cognomen Thornton (Thornton
, Торнтон
) , all over the world, is a widespread surname. The last name Thornton is characteristic of Northern Europe, particularly Isle of Man, where it is quite a common surname, Ireland, and Guernsey (explore the name in all countries). Measured by absolute frequency, this name is the most popular in the United States, the United Kingdom, and Australia. Much less frequently, Thornton is the forename as well as the last name.