| Full name: | William Mackay Duncan |
| Born: | 29th December 1933, Christchurch, Canterbury, New Zealand |
| Died: | 10th August 2008, Christchurch, Canterbury, New Zealand |
| Batting: | Right-hand batter |
| Bowling: | Left-arm medium pace |
| Teams: | Northern Districts (Main FC: 1957/58); All teams |
| Lists of matches and more detailed statistics | |
| First-Class Career Batting and Fielding (1957/58) | ||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | Ct | ||
| Northern Districts | 5 | 8 | 3 | 21 | 6 | 4.20 | 0 | 0 | 0 | |
| First-Class Career Bowling (1957/58) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | SRate | Econ | |
| Northern Districts | 444 | 18 | 186 | 6 | 3-70 | 31.00 | 0 | 0 | 74.00 | 2.51 |