Women's First-Class Batting and Fielding in Each Season by Shirley Cowles
| Season | | Matches | Inns | Not Out | Runs | HS | Ave | 100 | 50 | Ct | St |
| 1953-54 | (New Zealand) | 1 | 1 | 0 | 22 | 22 | 22.00 | 0 | 0 | 0 | |
| 1954-55 | (New Zealand) | 1 | 2 | 0 | 2 | 1 | 1.00 | 0 | 0 | 1 | |
| 1955-56 | (New Zealand) | 3 | 4 | 0 | 40 | 33 | 10.00 | 0 | 0 | 3 | |
| 1956-57 | (New Zealand) | 3 | 5 | 0 | 75 | 26 | 15.00 | 0 | 0 | 2 | |
| 1958-59 | (New Zealand) | 1 | 1 | 0 | 1 | 1 | 1.00 | 0 | 0 | 1 | |
| 1968-69 | (New Zealand) | 8 | 15 | 0 | 398 | 71 | 26.53 | 0 | 1 | 2 | |
| 1969-70 | (New Zealand) | 4 | 5 | 0 | 142 | 70 | 28.40 | 0 | 1 | 4 | |
| 1970-71 | (New Zealand) | 4 | 6 | 0 | 218 | 67 | 36.33 | 0 | 3 | 3 | 1 |
| 1971-72 | (South Africa) | 5 | 7 | 0 | 169 | 105 | 24.14 | 1 | 0 | 2 | |
| 1971-72 | (Australia) | 5 | 9 | 1 | 111 | 28 | 13.87 | 0 | 0 | 3 | |
| 1971-72 | (New Zealand) | 4 | 7 | 0 | 227 | 76 | 32.42 | 0 | 2 | 6 | |
| 1972-73 | (New Zealand) | 4 | 5 | 1 | 124 | 91 | 31.00 | 0 | 1 | 1 | |
| 1974-75 | (New Zealand) | 6 | 10 | 2 | 411 | 122 | 51.37 | 1 | 2 | 5 | |
| 1975-76 | (New Zealand) | 4 | 7 | 1 | 137 | 38 | 22.83 | 0 | 0 | 5 | 1 |
| 1976-77 | (New Zealand) | 4 | 6 | 1 | 192 | 57* | 38.40 | 0 | 1 | 2 | |
| 1977-78 | (New Zealand) | 4 | 6 | 1 | 193 | 104* | 38.60 | 1 | 1 | 5 | |