| Past champions | |||
| Year | Winner | Score | Course |
| 1999 | Karrie Webb | 277 (11-under) | Priddis Greens G&CC, Calgary, Alberta |
| 1998 | Brandie Burton | 270 (18-under) | Essex G&CC, Windsor, Quebec |
| 1997 | Collen Walker | 278 (14-under) | Glen Abbey GC, Oakville, Ontario |
| 1996 | Laura Davies | 277 (11-under) | Edmonton CC, Edmonton, Alberta |
| 1995 | Jenny Lidback | 280 (8-under) | Beaconsfield GC, Pointe-Claire, Quebec |
| 1994 | Martha Nause | 279 (9-under) | Ottawa Hunt Club, Ottawa, Ontario |
| 1993 | x-Brandie Burton | 277 (11-under) | London Hunt and CC, London, Ontario |
| 1992 | Sherri Steinhauer | 277 (11-under) | St. Charles CC, Winnipeg |
| 1991 | Nancy Scranton | 279 (9-under) | Vancouver GC, Coquitlam, B.C. |
| 1990 | Cathy Johnston | 276 (16-under) | Westmount G&CC, Kitchener, Ontario |
| 1989 | Tammie Green | 279 (9-under) | Beaconsfield GC, Montreal |
| 1988 | Sally Little | 279 (9-under) | Vancouver GC, Coquitlam, B.C. |
| 1987 | Jody Rosenthal | 272 (16-under) | Islesmere GC, Laval, Quebec |
| 1986 | x-Pat Bradley | 276 (12-under) | Board of Trade CC, Toronto |
| 1985 | Pat Bradley | 278 (10-under) | Beaconsfield CC, Montreal |
| 1984 | Juli Inkster | 279 (9-under) | St. George's G&CC, Toronto |
| 1983 | Hollis Stacy | 277 (11-under) | Beaconsfield GC, Montreal |
| 1982 | Sandra Haynie | 280 (8-under) | St. George's CC, Toronto |
| 1981 | Jan Stephenson | 278 (10-under) | Summerlea CC, Dorion, Quebec |
| 1980 | Pat Bradley | 277 (11-under) | St. George's CC, Toronto |
| 1979 | Amy Alcott | 285 (7-under) | Richelieu Valley CC, Montreal |
| 1978 | JoAnne Carner | 278 (14-under) | St. George's CC, Toronto |
| 1977 | Judy Rankin | 214 (4-under) | Lachute G&CC, Montreal |
| 1976 | x-Donna Caponi | 212 (4-under) | Cedar Brae G&CC, Toronto |
| 1975 | x-JoAnne Carner | 214 (5-under) | St. George's CC, Toronto |
| 1974 | Carole Jo Callison | 208 (11-under) | Candiac GC, Montreal |
| 1973 | x-Jocelyne Bourassa | 214 (5-under) | Montreal GC, Montreal |
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