| Full name: | William Thomas Southby |
| Born: | 30th December 1994, Ashburton, Mid-Canterbury, New Zealand |
| Batting: | Right-hand batter |
| Bowling: | Right-arm medium pace |
| Wicket-keeper | |
| Relations: | Brother: JM Southby |
| Teams: | Mid-Canterbury (Hawke Cup: 2012/13-2023/24); St Albans (New Zealand Club Championship: 2014/15-2018/19); Christ's College, Christchurch (New Zealand Secondary School Boys: 2011/12) |
| Lists of matches and more detailed statistics | |