Jonty joined Wakefield Trinity in 1913. Jonty was a member of Wakefield-Trinity’s 1914 Challenge Cup Final side. Jonty played 349 games for Wakefield-Trinity (96 tries, 94 goals) over 17 seasons. In 1930, Jonty joined Hull KR, paying his transfer fee. Jonty played 57 games for Hull KR (11 tries, 28 goals).
Jonty played 17 games for Yorkshire from 1919-28 (8 tries, 2 goals). Jonty played 17 test matches for England from 1920-30 (9 tries). Jonty played 12 test matches for Great Britain (6 tries, 5 goals).
From 1947-50 Jonty served as a member of the Wakefield Trinity committee.
Jonty passed away on April 9 1972
In 1988, Jonty was among the inaugural inductees into the British Hall of Fame.