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