Meaning A boy's name of Gaelic origin, it means "Red Haired." Origin of Flann Gaelic , Irish +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Flann Similar Names Flynn Russ Flin Giollaruaidh Ruairi Ruy Rowan Ferdia Flinn Flyn Year by Year Popularity of Flann