FamilyEducation.com
   
 

Last name origins & meanings:

  1. Russian and Jewish (from Belarus and Ukraine): alternative spelling of Dubov, a patronymic from a nickname or topographic name from a derivative of dub ‘oak’ (cognate with Czech dub, Polish d{a,}b). In some cases the Jewish name may be a habitational name from Dubova, a village in Ukraine, or from Dubovoe in Belarus.
  2. Americanized form of French Duboeuf, a patronymic from Leboeuf.