Mountford was born in the small town of Manypeaks in the Great Southern region of Western Australia.

[4] He made his AFL debut in the forty-three point loss against West Coast in the opening round of the 2017 season at Etihad Stadium.

[5] He was delisted by North Melbourne at the end of the 2018 season[6] and returned to Western Australia to play for Claremont.

[9] Mountford was entered into the squad after midfielder Jackson Nelson suffered a knee injury during a warm-up session, forcing West Coast coach Adam Simpson to call him up against his old side North Melbourne.

This Australian rules football biography of a person born in the 1990s is a stub.