2005 Soo-Yun Kang ( Safeway Classic )
2004 Hee-Won Han ( Safeway Classic )
2003 Annika Sorenstam ( Safeway Classic )
2002 Annika Sorenstam ( Safeway LPGA Golf Championship )
2000 Mi-Hyun Kim ( Safeway LPGA Golf Championship )
1999 Juli Inkster ( Safeway LPGA Golf Championship )
1998 Danielle Ammaccapane ( Safeway LPGA Championship )
1997 Chris Johnson ( Safeway LPGA Golf Championship )
1996 Dottie Pepper ( Safeway LPGA Championship )
1995 Alison Nicholas ( Ping Championship )
1994 Missie Mcgeorge ( Ping/Cellular One Championship )
1993 Donna Andrews ( Ping/Cellular One Championship )
1992 Nancy Lopez ( Ping-Cellular One Championship )
1991 Michelle Estill ( Ping Cellular One Championship )
1990 Patty Sheehan ( Ping-Cellular One LPGA Golf Championship )
1989 Muffin Spencer-Devlin ( Cellular One-Ping Championship )
1988 Betsy King ( Cellular One-Ping Golf Championship )
1987 Nancy Lopez ( Cellular One-Ping Golf Championship )
1986 Ayako Okamoto ( Cellular One-Ping Championship )
1985 Nancy Lopez ( Portland Ping Championship )
1984 Amy Alcott ( Portland Ping Championship )
1983 Joanne Carner ( Portland Ping Championship )
1976 Donna Caponi ( Portland Classic )
1975 Joann Washam ( Portland Ladies' Classic )
1974 Joanne Carner ( Portland Ladies' Classic )
1973 Kathy Whitworth ( Portland Ladies' Open )
1972 Kathy Whitworth ( Portland Ladies' Classic )