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Surname Guernsey (根西 , Guernsey
, Gansey
) , all over the world, is quite a rare last name. The family name Guernsey is characteristic of Guernsey, where it is a common surname, Benin, where it is quite a rare surname, and the United States, where it is a rare surname. Not in comparison with a country's population, the name is most common in the United States, Benin, and Canada. Very seldom, Guernsey is the forename as well as the last name.