Keith R. Harkin was born on June 10, 1986, He is from Derry, Northern Ireland. He plays the guitar and has written one of the songs for Celtic Thunder named Lauren and I. It is rumoured that Keith is making a Solo album. Keith likes surfing and has written a song called Chasing Dreams that shows his love for it. Keith has recorded some solo songs named Vanity, Don't Lose the Feeling, and What I Like.