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In the world, Poirier (Poirier , Пуарье , פוארייה ) is a rare dominantly masculine, but seldom female first name. The given name Poirier is habitual in Guadeloupe, where it is quite a common masculine name, France, where it is a very rare gender-neutral name, and China, where it is an extremely rare boy's name. Much more frequently, Poirier is the last name as well as the forename.