Meaning A girl's name of Welsh origin, it means "Fair; blessed Origin of Gweneth Welsh +-100%Zoom level changed to 1 Popular Middle Names Collette, Dawn Pronunciation 🔊 Listen Gweneth Similar Names Rhonwen Rhona Gwendelyn Gwendoline Gwenna Gwyn Gwynn Gwendi Gwyndolyn Gwynneth Year by Year Popularity of Gweneth