Meaning A boy's name of Celtic origin, it means "blind". Origin of Dallan Celtic , Irish Popular Middle Names Augustus, Blain, Coby, Gabriel, Glenn, Jacob, James, Jeremiah, Kane, Matthew Pronunciation 🔊 Listen Dallan DAL-en Similar Names Atrus Arturs Artie Artturi Demetrois Desmon Torgeir Tiomoid Ceastun Cecillo Year by Year Popularity of Dallan