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Family name Portier (Porter , Portier , Portir) , all over the world, is a widespread last name. The family name Portier is characteristic of Isle of Man, where it is quite a common surname, Jamaica, and Marshall Islands (explore the name in all countries). In absolute terms, the name is most common in the United States, the United Kingdom, and Australia. Very seldom, Portier is the forename as well as the last name.