Meaning A girl's name of Celtic origin, it means "from the name Raelynn, which means beam of light." Origin of Raelin Celtic , Irish Popular Middle Names Nariah Pronunciation 🔊 Listen Raelin Similar Names Haeata Arieen Berget Gwendoline Tenieka Arleigh Rosmerta Regan Doreena Afric Year by Year Popularity of Raelin