Meaning The meaning of the name Dermot is 'freeman' or 'free from envy'. The name was first used in Irish mythology. Origin of Dermot Celtic , Irish Popular Middle Names Michael Pronunciation 🔊 Listen Dermot DER-maht Similar Names Deorsa Deoradhain Freeland Carlson Guglielmo Triston Franco Kawikani Fresco Carrick Year by Year Popularity of Dermot