| Women’s Singles Champions | Women’s Doubles Champions |
| 1913 Mrs. W.I Northrup def. Miss Frohman 6-0 5-7 7-5 | 1913 Mrs. W.I. Northrup – Stella Fording def. Irene Campbell – Mrs. Judge 6-3 6-3 |
| 1914 Mrs. W.I Northrup def. Irene Campbell 6-2 6-8 6-3 | 1914 |
| 1915 Mrs. W.I Northrup def. Mrs. F.E Harrigan 6-4 6-3 | 1915 Mabel Ryder – Irene Campbell def. Mrs W.I. Northrup – Stella Fording |
| 1916 Stella Fording def. Mrs. W.I. Northrup 6-4 2-6 6-4 | 1916 Mabel Ryder – Harriet Johnson def. Mrs. L.J. Werschkul – Helen Hald 6-4 6-1 |
| 1917 Mrs. W.I Northrup def. Stella Fording 6-4 6-4 | 1917 Mrs. W.I. Northrup – Stella Fording def. Mrs. Wentworth – Mrs. Mulder 6-0 6-2 |
| 1918 Stella Fording def. Mabel Ryder 6-4 6-0 | 1918 Stella Fording – Irene Campbell def. Mabel Ryder – Harriet Thompson 6-2 6-4 |
| 1919 Mrs. W.I Northrup def. Stella Fording 6-4 6-0 | 1919 Mrs. W.I. Northrup – Stella Fording def. Irene Campbell – Mrs. Harland Wentworth 6-3 6-2 |
| 1920 Mrs. Maude Lowell Rogers (Ca.) def. Mrs. W.I. Northrup 6-0 6-3 | 1920 Mrs. W.I. Northrup – Stella Fording def. Irene Campbell – Mrs. Rogers 6-3 6-3 |
| 1921 Stella Fording def. Mrs. W.I. Northrup 6-2 6-3 | 1921 Mrs. W.I. Northrup – Stella Fording vs. Mrs. Harland Wentworth – Helen Hald |
| 1922 Stella Fording def. Mrs. W.I. Northrup 6-3 6-8 6-2 | 1922 Mrs. W.I. Northrup – Stella Fording def. Irene Campbell – Helen Hald 5-7 7-5 12-10 |
| 1923 Mrs. W.I. Northrup def. Stella Fording 6-4 6-2 | 1923 Mrs. W.I. Northrup – Stella Fording def. Irene Campbell – Helen Hald |
| 1924 Stella Fording def. Helen Hald 3-6 7-5 6-2 | 1924 Mrs. Rogers Macveagh – Mrs. L.J. Werschkul def. |
| 1925 Stella Fording def. Helen Hald 6-1 3-6 6-4 | 1925 Stella Fording – Helen Hald def. Mrs J.H. Mackie – Mrs Wilson Clarke 6-2 6-1 |
| 1926 Mrs. J.S. Mackie def. Stella Fording 6-3 3-6 6-4 | 1926 Stella Fording – Mrs J.H. Mackie def. Mrs. J.H. Norton – Mrs Ray Frohman 6-0 6-1 |
| 1927 Marion Green def. Mrs. J.H. Mackie 6-1 0-6 6-2 | 1927 Stella Fording – Mrs. J.H. Mackie def. Ora Hatton – Anne Adams 6-2 6-2 |
| 1928 Helen Sovenski def. Sally Cannon 6-1 9-7 | 1928 Leila Sheets – Dorothy Murphy def. Marion Green – Stella Fording 1-6 6-3 6-4 |
| 1929 Helen Sovenski def. Marion Green 6-3 6-2 | 1929 Helen Sovenski – Marion Green def. Stella Fording – Muriel Nicholas 6-3 6-1 |
| 1930 Helen Sovenski def. Sally Cannon 3-6 6-2 6-4 | 1930 Helen Sovenski – Marion Green def. Stella Fording – Muriel Nicholas 6-3 6-1 |
| 1931 Helen Sovenski def. Marion Green 6-8 6-2 6-2 | 1931 Stella Fording – Muriel Nicholas def. Theresa Smith – Ora Hatton 6-2 7-5 |
| 1932 Helen Sovenski McBride def. Marion Green 6-0 6-4 | 1932 Helen Sovenski McBride – Marion Green def. Stella Fording – Muriel Nicholas 6-3 6-3 |
| 1933 Muriel Nickolas def. Marion Green 8-6 6-3 | 1933 Muriel Nicholas – Ruth Ronald def. Ora Hatton – Ada Adams 8-6 6-3 |
| 1934 Muriel Nickolas def. Ruth Ronald 6-1 6-4 | 1934 Muriel Nicholas – Ruth Ronald def. Ora Hatton – Ada Adams 6-3 6-1 |
| 1935 Hazel Schenck def. Ruth Ronald 6-4 7-5 | 1935 Hazel Schenck – Ruth Ronald def. Stella Fording – Ora Hatton 6-1 6-2 |
| 1936 Hazel Schenck def. Ann Fredrickson 6-2 6-2 | 1936 Hazel Schenck – Ruth Ronald def. Ann Frederickson – Esther Clark 6-3 6-4 |
| 1937 Hazel Schenck def. Marge Stepp | 1937 |
| 1938 Ruth Ronald def. Hazel Schenck 6-1 6-4 | 1938 Hazel Schenck – Ruth Ronald def. Helene Strout – Peggy Stevens |
| 1939 Hazel Schenck def. Kay Mayers 6-3 6-3 | 1939 |
| 1940 Kay Mayers def. Barbara Koehler 6-2 6-1 | 1940 Kay Mayers – Betty Parker def. Betty Joice – Marge Stepp 8-6 6-4 |
| 1941 Betty Wilman Parker def. Reonna Flynn 6-2 6-1 | 1941 |
| 1942 Betty Parker def. Clara meyers 6-1 6-0 | 1942 Betty Parker – Clara Meyers def. Lorraine Rhodes – Antoinette Guhlke 6-0 6-2 |
| 1943 Rose Schleifer def. Lavelle Ransom 8-6 4-6 6-0 | 1943 Rose Schleifer – Lavelle Ransom def. Betty Parker – Lorraine Rhodes 4-6 6-4 6-4 |
| 1944 Rose Schleifer def. Betty Parker 6-2 6-2 | 1944 Rose Schleifer – Lorraine Holliday def. Lorraine Rhodes – Lavelle Ransom 6-3 7-5 |
| 1945 Lorraine Rhodes def. Gertrude Easton 7-5 6-4 | 1945 Lorraine Rhodes – Gertrude Easton def. Rose Schleifer – Lorraine Holliday 6-3 6-3 |
| 1946 Lorraine Rhodes def. Wili Tanner 6-2 6-2 | 1946 Rose Schleifer – Lorraine Holliday def. Lorraine Rhodes – Wili Tanner 4-6 6-4 7-5 |
| 1947 Barbara Lum def. Virginia Cook 6-2 7-5 | 1947 Barbara Lum – Rose Schleifer def. Virginia Cook – Wili Tanner 6-2 6-2 |
| 1948 Barbara Lum def. Dorothy Conroy 6-4 6-3 | 1948 Barbara Lum – Patsy Heard def. Dorothy Conroy – June Mersereau 9-7 6-1 |
| 1949 Barbara Lum def. Patsy Heard 9-7 6-1 | 1949 Barbara Lum – Rose Schleifer Medesius def. Patsy Heard – Mary Taylor 6-4 5-7 6-1 |
| 1950 Arvilla McGuire, Berkeley def. Lorraine Lowery 6-2 6-1 | 1950 Barbara Lum – Patsy Heard def. Dorothy Conroy – June Mersereau 9-7 6-1 |
| 1951 Barbara Lum def. Mary Taylor 6-1 6-2 | 1951 Mary Taylor – Mary Radcliff def. Barbara Lum – Kathy Marlette 6-4 6-3 |
| 1952 Andy Ross-Dilley vs. Joan Ross Dilley | 1952 |
| 1953 Barbara Lum def. June Lee 7-5 6-2 | 1953 |
| 1954 Barbara Lum def. June Lee 6-1 6-3 | 1954 |
| 1955 Patty Miller def. Joan Egbers 6-1 6-2 | 1955 |
| 1956 no event | 1956 |
| 1957 no event | 1957 |
| 1958 Myrtil Dubois def. June Lee 6-4 3-6 6-0 | 1958 |
| 1959 Mirja Rose def. June Lee 6-3 6-2 | 1959 Joan Campf – Patty Miller def. June Lee – Jean Gable 6-2 6-3 |
| 1960 June Lee def. Mirja Rose 6-1 6-1 | 1960 June Lee – Ann Thatcher def. Joan Egbers – Esther Vetterlein 9-7 6-2 |
| 1961 Myrja Rose def. Doris Popple 7-9 6-1 6-2 | 1961 Mirja Rose – Doris Popple def. Carol May – McLellen 6-0 6-1 |
| 1962 Nancy Russell def. Carol May 7-5 6-3 | 1962 Nancy Russell – Eve Bachman def. Myrja Rose – Carol May 6-4 6-3 |
| 1963 Joan Egbers def. M. Ericksen 6-1 6-1 | 1963 Joan Egbers – J. Kaspari def. Grace Norraine – Barbara Olmsted 6-2 6-1 |
| 1964 Nancy Russell def. Joyce Hockley 6-1 6-1 | 1964 Nancy Russell – June Lee def. Joan Egbers – Sally Frye 6-1 6-2 |
| 1965 Hedy Jackson def. Sally Frye 6-1 6-2 | 1965 |
| 1966 Hedy Jackson def. Joan Egbers 6-3 6-1 | 1966 Hedy Jackson – Conger def. Joan Egbers – Sally Frye 7-5 6-1 |
| 1967 Hedy Jackson def. Nancy Russell 6-3 7-5 | 1967 Hedy Jackson – Nancy Russell def. June Lee – Sally Frye 6-3 6-2 |
| 1968 Hedy Jackson def. Sheri Berman 6-3 6-4 | 1968 Hedy Jackson – Sheri Berman def. Pat Welles – Joan Egbers 6-2 6-4 |
| 1969 Hedy Jackson def. Doris Popple 6-1 9-7 | 1969 Hedy Jackson – Doris Popple def. Joanne Kraft – Jan Tokerud 7-5 6-1 |
| 1970 Michelle Carey def. Hedy Jackson 6-1 6-4 | 1970 Nancy Russell – Joanne Kraft def. Carolyn Lumber – Michelle Carey 6-8 7-5 9-7 |
| 1971 Hedy Jackson def. Nancy Russell 6-1 6-2 | 1971 Nancy Russell – Carolyn Lumber def. Hedy Jackson – Doris Popple 7-5 6-2 |
| 1972 Hedy Jackson def. Carolyn Lumber 6-2 6-2 | 1972 Hedy Jackson – Joanne Kraft def. Nancy Russell – Carolyn Lumber 4-6 7-5 6-2 |
| 1973 Michelle Cary def. Lindsey Berman 7-6 6-4 | 1973 Michelle Cary – Carolyn Lumber def. Mirja Rose – Joanne Kraft 6-4 2-6 7-6 |
| 1974 | 1974 |
| 1975 Carolyn Culham def Lindsey Berman 6-4 7-6 | 1975 Carolyn Culham – Hedy Jackson def Chris Collins – Robin Lucey 6-1 6-2 |
| 1976 not held | 1976 not held |
| 1977 not held | 1977 not held |
| 1978 not held | 1978 not held |
| 1979 not held | 1979 not held |
| 1980 not held | 1980 not held |
| 1981 | 1981 |
| 1982 not held | 1982 not held |
| 1983 not held | 1983 not held |
| 1984 not held | 1984 not held |
| 1985 | 1985 |
| 1986 | 1986 |
| 1987 | 1987 |
| 1988 | 1988 |
| 1989 | 1989 |
| 1990 | 1990 |
| 1991 Teresa Dobson def. Cindy Olejar 7-5 6-4 | 1991 Ruth Turner – Carol Coperanis def. Sue Boyle – Linda Dickinson 7-5 6-1 |
| 1992 | 1992 |
| 1993 | 1993 |
| 1994 | 1994 |
| 1995 | 1995 |
| 1996 | 1996 |
| 1997 | 1997 |
| 1998 | 1998 |
| 1999 | 1999 |
| 2000 | 2000 |
| 2001 | 2001 |
| 2002 | 2002 |
| 2003 Courtney Perkins def. Vicki Gunnarson 6-4 3-6 6-2 | 2003 Jane Paulson – Courtney Perkins def. Monica Kowalewski – Carianne Nieuwstraten 6-1 7-5 |
| 2004 Courtney Perkins def. Elise Montrose 6-0 6-2 | 2004 Lisa Bessman – Amy Juppenlatz def. Danielle Farmer – Julia Strang 7-5 6-2 |
| 2005 Momei Qu def. Courtney Perkins 7-5 7-5 | 2005 no event |
| 2006 Emily Kirchem def. Sanja Indic 2-6 7-5 6-2 | 2006 no event |
| 2007 Stephanie Davison def. Belinda Niu | 2007 Lisa Stoica – Sarah Dix def. Dita Forrest – Kimberly Quach |
| 2008 Belinda Niu def. Radhika Mehndiratta 6-1 6-0 | 2008 Clare Dodge – Lacey Pflibsen def. Danielle Farmer – Radhika Mehndiratta 6-3 6-4 |
| 2009 Maja Kovacek def. Nicole Novikova 6-4 6-1 | 2009 Indic – Juppenlatz def. Ansboury – Stoica |
| 2010 Kelsy McKenna def. Suzanne Matzenauer: Wo(inj) | 2010 Siobhan Cavan- Jocelyn Davis def. Sarah Ansboury- Lisa Stoica 6-2, 6-3 |
| 2011 Elizabeth Seiverling def. Emily Wagner 6-2, 6-4 | 2011 Katie Edwards- Elizabeth Seiverling def. Radhika Mehndiratta- Ashley Spencer 6-4, 6-1 |
| 2012 Suzanne Matzenauer def. Katie Edwards 6-2, 6-4 | 2012 Ashley Anderson- Suzanne Matzenauer def. Megan Sporndli- Emily Wagner 6-4, 7-5 |
| 2013 Samantha Hampton def. Katie Edwards 6-3-6-1 | 2013 no event |
| 2014 Khristina Blajkevitch def Maci Epstein 6-3, 7-5 | 2014 Epstein/Hueffner def Edwards/Rosette 6-2,3-6, 7-6 |
| 2015 Malika Rose def Erin Larner 6-2, 6-4 | 2015 Rees/Want def Juppenlatz/Stevens 6-2, 6-0 |
| 2016 Samantha Hampton def Maya Jansen 4-6, 6-2, 6-1 | 2016 Van Den Aarssen/Waldram def Smith/Smith 7-5, 1-6, 6-1 |
| 2017 Lucia Butkovska def Samantha Hampton w/o inj | 2017 Kulikov/Scandalis def Hampton, Waldran w/o inj |
| 2018 Cali Jankowski def Lourdes Ramalle 6-2, 6-1 | Duval/Gianan def Scudiera/Walker 7-6, 6-3 |
| 2019 Samantha Hampton def Kristy Jorgensen 6-2, 6-2 | Bulatovaite/Jorgensen def Gianan/Lancaster 6-1, 6-4 |