| YEAR | CHAMPION | COACH | FINAL | RUNNER-UP |
| 51-52 | Kitchener St. Jerome’s | Clem Faust | 46-27 | London Catholic Central |
| 52-53 | Toronto St. Michael’s | Father J. Crowley | 44-39 | London Catholic Central |
| 53-54 | Toronto St. Michael’s | Father J. Crowley | 45-40 | London Catholic Central |
| 54-55 | Toronto St. Michael’s | Father D. Levack | 81-70 | Toronto De La Salle |
| 55-56 | Welland Notre Dame | 67-55 | London Catholic Central | |
| 56-57 | Welland Notre Dame | 70-57 | Sudbury St. Charles | |
| 57-58 | Toronto St. Michael’s | Father H. Marshall | 61-46 | Hamilton Cathedral |
| 58-59 | Toronto St. Michael’s | Mike Lavelle | 45-38 | Sudbury St. Charles |
| 59-60 | Toronto St. Michael’s | Mike Lavelle | 46-29 | Kitchener St. Jerome’s |
| 60-61 | Toronto St. Michael’s | Mike Lavelle | 50-37 | Windsor Corpus Christi |
| DISCONTINUED |