Born in London, Kelly was with
Arsenal until the age of 16 when he joined
Reading as a scholar in June 2006. Kelly scored his first goal for Notts, a thunderous volley, in 3 – 2 win over
Tranmere Rovers. Kelly finished the 2011–12 season making 34 appearances overall and scoring 3 goals. He made his first start of the 2012–13 campaign in a 2–1 win over
Crewe Alexandra and made a further 23 appearances before being released at the end of the season. In September 2013 he joined
Grimsby Town on trial, but failed to earn a contract. After a year out of the game, Kelly joined
Northern Premier League Division One South side
Spalding United in May 2014. He was with the club only a short time before moving to divisional rivals
Carlton Town. In October 2014 he was on the move again, moving up a division to join
Grantham Town. ==International career==