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Last name Allain (阿兰 , Allain
, ألين
) , around the globe, is a common cognomen. The cognomen Allain is habitual in Saint Lucia, where it is quite a common surname, France, and Canada, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in France, the United States, and Canada. Likewise, Allain is the forename as well as the last name.