Source : Webster's Revised Unabridged Dictionary (1913)

Popularly \Pop"u*lar*ly\, adv.
   In a popular manner; so as to be generally favored or
   accepted by the people; commonly; currently; as, the story
   was popularity reported.

         The victor knight, Bareheaded, popularly low had bowed.
                                                  --Dryden.

Source : WordNet®

popularly
     adv : among the people; "this topic was popularly discussed"