Meaning A boy's name of Norse origin, it means "Rock or hard spear." Origin of Geirstein Norse , Scandinavian +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Geirstein Similar Names Gervase Oscar Gjurd Geiri Geirleif Geirolf Gungir Ossie Ossy Oskar Year by Year Popularity of Geirstein