Championship Finals
- 1908 Cornwall 17 Durham 3 (at Redruth RFC)
- 1909 Durham 12 Cornwall 0 (at West Hartlepool RFC)
- 1928 Yorkshire 12 Cornwall 8. (at Bradford RFC)
- 1958 Warwickshire 16 Cornwall 8 (at Coventry RFC)
- 1969 Cornwall 9 Lancashire 11 (at Redruth RFC)
- 1989 Cornwall 9 Durham 13 (at Twickenham)
- 1991 Cornwall 29 Yorkshire 20 after extra time (at Twickenham)
- 1992 Cornwall 6 Lancashire 9. (at Twickenham)
- 1998 Cornwall 14 Cheshire 21 (at Twickenham)
- 1999 Cornwall 25 Gloucestershire 15 (at Twickenham)
| Year | Winners | Home Team | Score | Away Team | Venue | Notes |
|---|---|---|---|---|---|---|
| 1908 | Cornwall | Cornwall | 17-3 | Durham County | Redruth | |
| 1909 | Durham County | Durham County | 12-0 | Cornwall | West Hartlepool | |
| 1928 | Yorkshire | Yorkshire | 12-8 | Cornwall | Bradford | |
| 1958 | Warwickshire | Warwickshire | 16-8 | Cornwall | Coundon Road, Coventry | |
| 1969 | Lancashire | Cornwall | 9-11 | Lancashire | Redruth |
From 1984 all Championship finals were played at Twickenham.
| Year | Winners | Score | Runner's Up | Venue | Notes |
|---|---|---|---|---|---|
| 1989 | Durham County | 13-9 | Cornwall | Twickenham | |
| 1991 | Cornwall | 29-20 | Yorkshire | Twickenham | AET |
| 1992 | Lancashire | 9-6 | Cornwall | Twickenham | |
| 1998 | Cheshire | 21-14 | Cornwall | Twickenham | |
| 1999 | Cornwall | 25-15 | Gloucestershire | Twickenham | |
| 2001 | Yorkshire | 47-19 | Cornwall | Twickenham |
Read more about this topic: Rugby Union In Cornwall