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Surname Dennison (Dennison
, Деннисон
) , in the entire world, is a common cognomen. The cognomen Dennison is characteristic of Bermuda, where it is quite a common surname, New Zealand, where it is quite a rare surname, and the United Kingdom. In absolute terms, the name is most common in the United States, the United Kingdom, and Canada. Much less frequently, Dennison is the forename as well as the last name.