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Surname Dwyer (دير
, Dwyer
, دوير
) , across the world, is a common family name. The cognomen Dwyer is characteristic of Ireland, where it is quite a common surname, Jamaica, and Australia (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in the United States, Australia, and the United Kingdom. Very seldom, Dwyer is the forename as well as the last name.