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Last name Tuam (Tuam
, Tuaim
, ต่วม) , throughout the world, is a rare family name. The cognomen Tuam is characteristic of Papua New Guinea, where it is quite a rare surname, Cameroon, where it is a rare surname, and Ireland. Measured by absolute frequency, it is commonest in Papua New Guinea, Cameroon, and Myanmar. Very seldom, Tuam is the forename as well as the last name.