Pre-1928 (essentially provincials)
EASTERN CANADIAN MEN
| YEAR | CHAMPION | COACH | FINAL | RUNNER-UP |
| 27-28 | Montreal Sun Life | T: 55-43 | Woodstock Senators | |
| 28-29 | St. Catharines Grads | T: 92-39 | St. John Trumps | |
| 29-30 | Niagara Falls Echoes | Jack Houck | T: 99-44 | St. John YMCA Grads |
| 30-31 | Halifax Wanderers | Jack Thomas | T: 69-51 | Montreal Trinity Excelsiors |
| 31-32 | London Y Aces | Leo Detweiler | T: 69-38 | Quebec City C.N.R. Nationals |
| 32-33 | London Y Aces | John Potts | T: 109-78 | Moncton Pawnees |
| 33-34 | Windsor YMCA Arrows | Montreal YMHA | ||
| 34-35 | Toronto Broadview YMCA Central | Ab Rennick | T: 54-31 | Saint John Basketball Association |
| 35-36 | Montreal C.P.R. | Joe Neasmith | T: 93-80 | U of New Brunswick |
| 36-37 | Mount Allison University | T: 43-35 | Ottawa Commerce Grads | |
| 37-38 | Hamilton Somie Pets | T: 75-67 | Glace Bay Crusaders | |
| 38-39 | University of Ottawa | Wibb Nixon | T: 79-65 | New Waterford Strands |
| 39-40 | Niagara Falls Hamcos | Charles Vandersluys | T: 81-80 | University of Ottawa |
| 40-41 | Toronto Earl Grey Playgrounds | Buff Horton | T: 90-60 | New Waterford Strands |
| 41-42 | London Y Aces | Clem Faust | T: 78-68 | Ottawa Commerce Grads |
| 42-43 | St. Catharines Teepees | Angie Pastore | T: 45-41 | U of New Brunswick |
| 43-44 | Toronto York Belting | V. Vanderhout | T: 115-78 | University of Ottawa |
| 44-45 | University of New Brunswick | Howard Ryan | T: 108-71 | Toronto West End Y |
| 45-46 | Windsor Hiram Walkers | T: 86-59 | University of Ottawa | |
| 46-47 | New Waterford Strands | Jack MacKenzie | T: 76-74 | Ottawa Rube Molot’s B’nai B’rith |
| 47-48 | Sault Ste. Marie Algos | T: 118-59 | Montreal Montrealers | |
| 48-49 | St. Francis Xavier | Bill Fogarty | T: 96-91 | Sault Ste. Marie Algos |
| 49-50 | Sault Ste. Marie Algos | T: 153-85 | Woodstock Senators | |
| 50-51 | Saint Francis Xavier | Bill Fogarty | T: 139-87 | Saint John Marcus Majors |
| 51-52 | Kitchener-Waterloo | 2g-0 | Saint John | |
| 52-53 | St. Francis Xavier | Ambrose Gilmet | 2g-0 | St. Johns Jacks Atlantics |
| 53-54 | Toronto Runnymede Steelers | 2g-0 | Montreal Amateur AA | |
| 54-55 | Toronto Andy’s | 2g-0 | Halifax Stadley Grads | |
| 55-56 | Sudbury Internationals | 2g-0 | Saint John Atlantics | |
| 56-57 | ||||
| 57-58 | Montreal Lakeshores | 3g-1 | Kitchener-Waterloo Seniors | |