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Surname Eagan (이건 , Eagan
, 伊根
) , globally, is quite a common cognomen. The surname Eagan is characteristic of Jersey, where it is quite a common surname, the United States, where it is quite a rare surname, and Canada, where it is a rare surname. Measured by absolute frequency, it is the most numerous in the United States, Canada, and Indonesia. Much less frequently, Eagan is the forename as well as the last name.