Meaning A boy's name of Scottish origin, it means "river with alder trees." Origin of Nairn Scottish , Celtic +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Nairn Similar Names Nairne Amhuinn Afnan Garnoc Garnock Gwernach Douglass Douglas Ashenford Varney Year by Year Popularity of Nairn