Meaning A girl's name of Irish origin, it means "knolls." Origin of Siofra Celtic , Irish +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Siofra Similar Names McKenna Aoife Sadbh Shailey Shaunna Sloan Sadb Ethne Saibh Shawnda Year by Year Popularity of Siofra