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Cognomen Gamão (Gammon , Gamão) , across the world, is quite a common family name. The last name Gamão is habitual in Jamaica, where it is quite a rare surname, the United Kingdom, and Canada. In absolute terms, it most frequently occurs in the United States, the United Kingdom, and Canada.
VARIANT | COUNTRY |
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Gammon | Australia, Canada, Jamaica, United Kingdom, United States |