| Full name: | Cyril Alfred Armstrong |
| Born: | 18th November 1890, Blenheim, Marlborough, New Zealand |
| Died: | 7th January 1962, Christchurch, Canterbury, New Zealand |
| Batting: | Right-hand batsman |
| Bowling: | Right-arm medium pace |
| Teams: | Marlborough (Miscellaneous: 1909/10-1911/12); Ashburton County (Miscellaneous: 1912/13) |
| Lists of matches and more detailed statistics | |