FamilyEducation.com
   
 

Last name origins & meanings:

  1. Vietnamese (Dũng): unexplained.
  2. Chinese: variant of Dong 1.
  3. North German: topographic name for someone who lived on a piece of raised dry land in marshy surroundings, Middle Low German dung, dunk ‘hummock’, or a habitational name from any of the various places named with this word.