| Full name: | William Allen Horncastle |
| Born: | 21st September 1864, Tottenham, Middlesex, England |
| Died: | 26th January 1917, Leyton, Essex, England |
| Batting: | Right-hand batsman |
| Bowling: | Right-arm medium pace |
| Teams: | Middlesex (Main FC: 1883); All teams |
| Lists of matches and more detailed statistics | |
| First-Class Career Batting and Fielding (1883) | ||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | Ct | ||
| Middlesex | 1 | 2 | 0 | 11 | 8 | 5.50 | 0 | 0 | 1 | |
| First-Class Career Bowling (1883) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | SRate | Econ | |
| Middlesex | 152 | 12 | 72 | 3 | 2-39 | 24.00 | 0 | 0 | 50.66 | 2.84 |