Last name Tumb (Tump 
, Tumb 
, تنب) , in the entire world, is a rare family name. The surname Tumb is habitual in Netherlands, where it is quite a rare surname, Germany, where it is a rare surname, and Australia, where it is a very rare surname. Measured by absolute frequency, it is commonest in Germany, Netherlands, and the United States. Much less frequently, Tumb is the forename as well as the last name.