Thomas was born as Tarryn Trindall[1] in Sydney, New South Wales,[2] into a family of Indigenous Australian descent (Kamilaroi and Lumaranatana).
[3] He grew up playing rugby league and was identified as a junior prospect in the position of fullback,[4] which subsequently led to him joining the Penrith Panthers development academy.
Thomas made his debut as a late inclusion in North Melbourne's 21-point loss to the Brisbane Lions at Marvel Stadium in round 2, 2019.
[10] Thomas had a career-best game in round 19 of the 2021 AFL season, where he kicked 4 goals and played a major part in the team's upset win over Carlton.
[19] The comment was slammed by the public at large and by media personalities such as former AFL champion Jimmy Bartel, himself a staunch campaigner against domestic violence.