Surname Poeir (Power 
, Poeir) , in all the world, is a common cognomen. The last name Poeir is characteristic of Ireland, where it is a common surname, Guernsey, where it is quite a common surname, and Australia (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in the United States, the United Kingdom, and Canada. Very seldom, Poeir is the forename as well as the last name.