Last name Somah (Somah 
) , throughout the world, is quite a rare surname. The cognomen Somah is characteristic of Sub-Saharan Africa, particularly Liberia, where it is quite a rare surname, Mauritius, and Ghana, where it is a rare surname. Not in comparison with a country's population, it is commonest in Liberia, Indonesia, and Ghana. Also, Somah is the forename as well as the last name.