Mary Ellen Pleasant

Mary Ellen Pleasant (born 19 August ?1814-1817 - died 4 January 1904) was a 19th Century female entrepreneur of partial African descent widely known as Mammy Pleasant, who used her fortune to further the abolitionist movement. She worked on the Underground Railroad across many states and then helped bring it to California during the Gold Rush Era. She was a friend and financial supporter of John Brown and well known in abolitionist circles. After the Civil War she took her battles to the courts in the 1860s, and won several civil rights victories, one of which was cited and upheld in the 1980s and resulted in her being called “The Mother of Human Rights in California”.