Meaning A girl's name of Welsh origin, it means "Legendary daughter of Clememyl Origin of Rathtyen Welsh Popular Middle Names Pronunciation 🔊 Listen Rathtyen Similar Names Eheubryd Eneuawg Eurneid EurolwVn Gorasgwrn Gwenabwy Gwenledyr Indeg Kelemon Morvudd Year by Year Popularity of Rathtyen