Keith Harkin (born on 10 June 1986 in Derry, Northern Ireland) was a singer and songwriter. He became famous when he joined Irish music group, Celtic Thunder. After nearly ten years with the group, Harkin decided to take some time off and tour on his own. He is now resides in Los Angeles, California with his wife Kelsey. On 10 May 2019, Harkin announced the birth of the couple's son via Instagram.