Thorn signed for Wrexham at the age of just seven having been began playing the game with his local side Hawarden Rangers.
Over ten years would pass with a decade of progression advancing him to the under-18 side.
Thorn began as a left-back before progressing up the pitch and deploying as either a defensive or attacking midfielder.
Son of former Wimbledon Crazy Gang FA Cup winner Andy, Jack has followed his father into the professional game making his first appearances in senior football as an unused substitute in the FA Cup against Newport and FA Trophy against Boston in December 2018.
He first featured on the pitch came on the final day of the 2018/19 campaign against Harrogate Town coming on as a late substitute before being snapped up on a 12-month deal at Wrexham.