Surname מהון (Mahon 
, מהון 
) , across the world, is a common last name. The cognomen מהון is habitual in Ireland, where it is a common surname, Grenada, where it is quite a common surname, and Barbados. Measured by absolute frequency, it most frequently occurs in the United States, Ireland, and the United Kingdom. Very seldom, מהון is the forename as well as the last name.