1906
West Wellington Football Association
Forest, Stanley and Irish Town premiers.
1907
West Wellington Football Association
Clubs: Irishtown premiers, Forest, Smithton, Stanley runner-up.
1909
West Wellington Football Association
Irish Town premiers, with 36 points, wore green and gold, runner-up Forest red and blue 28 points, Stanley blue and white 24 points, North Forest (maroon) 16 points, Smithton (red, white and blue) 4 points.
1910
West Wellington Association
Stanley, Forest, Smithton and Irish Town.
1911
West Wellington Football Association
Clubs: Irish Town undefeated, Forest red and blue runners-up, Smithton, Stanley.
1912
West Wellington Football Association
The four sides who played in this competition were: Irishtown, premiers with Stanley, captained by D. Ferguson, Forest and Mengha.
1913
West Wellington Football Association
Irish Town (premier), Forest runner's-up, Smithton & Stanley F. C's.
1913
Scottsdale Football Association
Scottsdale captained by G. Saunders, Lietinna captained by George Towns. City, Springfield & Forest Settlement clubs made-up the balance of the competition
1913
Circular Head Football Association
Irish Town, Wanderers, Mengha, Forest Ramblers
1915
West Wellington Football Association
Clubs: Irish Town, Stanley, Forest and Smithton. At the conclusion of the roster season, Irish Town with 22 points was declared Premiers, followed by Forest 16 points, Smithton 10 points and Stanley 8 points
1918
West Wellington Football Association
Clubs: Forest (Premiers), Smithton (Runners-up), Stanley and Mengha
1919
Circular Head Football Association
Clubs: Irish Town, Smithton, Forest, Stanley and Mengha.
The season ended 16th August, by order of Tasmanian Health Departmant (Out-break of Influenza).
1920
Circular Head Football Association
Roster Ladder: Points (fist two rounds: 2 points for win, ensuing rounds: 4 points for win)
Irish Town 34
Forest 28
Smithton 20
Mengha 12
Stanley 2