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Surname Murnane (默南 , Murnane
) , in the world, is quite a rare last name. The family name Murnane is habitual in Cayman Islands, where it is quite a common surname, Ireland, where it is quite a rare surname, and Isle of Man. Measured by absolute frequency, this name is the most popular in the United States, Australia, and Ireland. Much less frequently, Murnane is the forename as well as the last name.