*Club domestic league appearances and goals, correct as of 20:41, 27 October 2024 ‡ National team caps and goals, correct as of 22:06, 16 March 2024 (UTC)
Kelly attended St Leonards Primary School in Scotland and was described as "first caught the eye of Celtic playing above his age group for East Kilbride Caledonian Thistle's 2004 team".[1] After that, he attended St Ninian's High School in Scotland and was described as "impressed a plethora of scouts from down south and further afield having starred for the Hoops' under 15s, 16s and even 18s. Kelly also showcased his talents in the Sheffield Trophy where a young Celts outfit finished runners up in the prestigious tournament to MLS side Seattle Sounders".[2]
Club career
Kelly started his career with Scottish side Celtic, making his debut during a 5-0 win over Buckie Thistle.[3] He made his league debut for the club during a 7–1 win over Dundee. He scored his first goal for the club during the same 7–1 win over Dundee.[4]
International career
Kelly has represented Scotland internationally at youth level.[5]