Meaning A boy's name of Celtic origin, it means "Mythical son of Conn." Origin of Connla Celtic , Irish +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Connla Similar Names Nisien Powell Cradawg Setanta Aod Efnisien Ferehar Glifieu Medredydd Sugn Year by Year Popularity of Connla