Meaning A boy's name of Gaelic origin, it means "Son of the Red Haired One." Origin of Flin Gaelic , Irish Popular Middle Names Pronunciation 🔊 Listen Flin Similar Names Flyn Fionnlaoch Giollanaebhin Fionnbarr Gowyn Riordain Roarke Rowdy Roderigo Leroi Year by Year Popularity of Flin