| Full name: | William Mortlock |
| Born: | 18th July 1832, Kennington, Surrey, England |
| Died: | 23rd January 1884, Lambeth, London, England |
| Batting: | Right-hand batter |
| Bowling: | underarm |
| Relations: | Brother: TS Mortlock |
| Teams: | Surrey (Main FC: 1851-1870); All teams |
| Lists of matches and more detailed statistics | |
| First-Class Career Batting and Fielding (1851-1870) | ||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | Ct | ||
| Overall | 191 | 330 | 35 | 5528 | 106 | 18.73 | 3 | 22 | 85 | |
| First-Class Career Bowling (1851-1870) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | SRate | Econ | |
| Overall | 5225 | 277 | 2650 | 147 | 7-42 | 18.02 | 7 | 2 | 35.54 | 3.04 |