Meaning Kerryn is a Celtic name for a boy, it means dark. Origin of Kerryn Celtic , Irish +-100%Zoom level changed to 1 Popular Middle Names Delaney Pronunciation 🔊 Listen Kerryn Similar Names Doug Doggie Keary Keiran Kyran Roibin Kiaran Kirwin Kirwyn Dougie Year by Year Popularity of Kerryn