As of 2015, Keith Harkin is not yet married, but he does have a fianc�e. He and his girlfriend Kelsey Nichols were engaged in Bali in 2014. He announced his engagement publicly in April 2015.
Harkin is a singer-songwriter and a key performer in the Irish singing and performing group Celtic Thunder. He has been a part of this group since 2007. Harkin, now 27 years old, has been performing since he was 4. Originally from County Derry in Northern Ireland, Harkin has performed all over the world, including Europe, Australia, United States and Canada. Although he has released a solo album, Harkin continues to perform with Celtic Thunder.