Meaning A boy's name of Welsh origin, it means "Head chief." Origin of Cyndeyrn Welsh +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Cyndeyrn Similar Names Kahiko Cynan Cynbal Cynbel Cynddelw Griff Griffen Griffith Gryphon Kimble Year by Year Popularity of Cyndeyrn