National Womens History Month list of proposed selection:

Elizabeth Freeman Anne Catherine Hoof Green Penelope Barker Mary Katherine Goddard Deborah Sampson Gannett Judith Sargent Murray Hannah Slater Anne Parrish American Indian Sacagawea Mercy Otis Warren Mary Marshall and Mary Allen Harriet Tubman Elizabeth Blackwell Ellen Swallow Richards Dr. Mary Walker Mary Elizabeth Bowser Anna Howard Shaw Amelia Earhart Katherine Sui Fun Cheung Mary G. Ross Jerrie Cobb Oveta Culp Hobby Sandra Day OConnor Wilma Mankiller Sally Ride Sheila Widnall Nancy Ruth Mace Dr. Peggy Whitson Captain Kathleen McGrath Colonel Linda McTague Michelle Obama Sonia Sotomayor Vicki L. Ruiz Navy Admiral Michelle Howard Army General Ann Dunwoody Air Force General Janet Wolfenbarger