Brienne is a feminine name of undetermined origin.
Different sources provide conflicting suggestions considering this melodic and rare name’s origin.
It is most certainly associated with the masculine name Brian which baffle the experts and could be of Celtic, Irish, Breton or Occitan origin.
It is associated with the Celtic word “bre”, meaning “hill”, in which case, by extension, the name’s meaning is “high” or “honourable”.
Masculine forms of the name are Brian, Bryan, Bryon, Brion, Brien.
Alternative forms of the name are Brianna, Brienna, Brianne, Bryanne, Breanna, Briana, etc.
Although this name has never entered the U.S.A. Social Security Administration names’ popularity list, it is expected to climb places. Following the success of the “Game of Thrones” TV series and that of the character Brienne Tarth, portrayed by English actress Gwendoline Christie.