Skip to main content - O'Hara, Mary (1885–1980)
- O'Hara, Maureen (1920–)
- O'Hara, Shirley (1910–1979)
- O'Hara, Shirley (1924–2002)
- O'Hare, Kate Richards (1876–1948)
- O'Keeffe, Adelaide (1776–c. 1855)
- O'Keeffe, Georgia (1887–1986)
- O'Kelley, Mattie Lou (c. 1908–1997)
- O'Malley, Grace (c. 1530–1603)
- O'Malley, Grania (1885–1973)
- O'Malley, Mary Dolling (1889–1974)
- O'Meara, Kathleen (1839–1888)
- O'Meara, Kathleen (1960–)
- O'Murphy, Marie-Louise (1737–1814)
- O'Neal, Christine (1949–)
- O'Neal, Tatum (1963–)
- O'Neal, Zelma (1903–1989)
- O'Neale, Lila M. (1886–1948)
- O'Neil, Barbara (1909–1980)
- O'Neil, Kitty (1947–)
