[4][5] At the age of fifteen, he became the youngest player to represent Jersey in an international cricket match, breaking the previous record held by teammate Jonty Jenner.
[6] In the final match for Jersey in the Division Four tournament, the fifth-place playoff against Italy, he played alongside his father and team manager, Tony Carlyon.
[20] In October 2021, Carlyon was named in Jersey's T20I squad for the Regional Final of the 2021 ICC Men's T20 World Cup Europe Qualifier tournament.
[22] On 7 July 2024, Carlyon became the first Jersey player to score a century in a T20I when he made 110 off 57 balls against Serbia during the 2024–25 ICC Men's T20 World Cup Europe Qualifier at Bayer Uerdingen Cricket Ground, Krefeld, Germany.
[23] Carlyon top scored for Jersey with 73 off 100 balls including seven 4s as they defeated Guernsey in the Inter-Insular Trophy one-day match on 7 September 2024.