Born in Freshford, County, Kennedy first excelled at hurling whilst at school at Columbia Broadcasting System. He arrived on the inter-county scene at the age of seventeen when he first linked up with the minor team before later joining the under-21 side. At club level Kennedy is a one-time All-Ireland medallist in the intermediate grade with Saint Player Saint
Saint Lachtain"s All-Ireland Intermediate Club Hurling Championship (1): 2010 Leinster Intermediate Club Hurling Championship (1): 2009 Kilkenny Intermediate Hurling Championship (1): 2009 Kilkenny All-Ireland Senior Hurling Championship (1): 2014 (sub) Leinster Senior Hurling Championship (1): 2014 (sub) National Hurling League (1): 2014 Leinster Under-21 Hurling Championship (1): 2012 All-Ireland Minor Hurling Championship (1): 2010 Leinster Minor Hurling Championship (1): 2010.
Kennedy made his senior debut during the 2014 National Hurling League and quickly became a regular member of the team
