Though born into slavery Biddy Mason gained freedom for herself and her children in 1856. Only ten years later she had saved enough money to purchase property, making her the first African American woman to own land in Los Angeles. A nurse and midwife by profession, she helped found the first elementary school for African American children in Los Angeles,
Delany Sisters , Daughters of emancipated slaves, Sadie (1889-1999) and Bessie (1891-1995) were civil rights activists. Sadie was the first African American woman to teach Domestic Science and Bessie the second to be granted a dentistry license in NY state.
Betsey Stockton (c. 1798–1865) was an African American educator and missionary born into slavery in Princeton, NJ. She gained her freedom at 20 and travelled to Hawaii, Canada and Philadelphia teaching and serving as a nurse. She moved back to Princeton in 1835 and spent the rest of her life enriching the lives of the members of the local African American community. There is a window memorialized to her in the Witherspoon Street Church, Princeton, NJ.
Born into slavery in 1850, inventor and entrepreneur Sarah E. Goode was the first African-American woman to be granted a patent by the U.S. Patent and Trademark Office. She received the patent for her invention of a folding cabinet bed in 1885. She died in 1905.