Mary Jefferson Eppes

Mary Maria Jefferson Eppes, born Mary Jefferson , was the younger of Thomas Jeffersons two daughters who survived infancy. She married a first cousin, John Wayles Eppes, and had three children with him. Only their son Francis W. Eppes survived childhood. Maria died months after the birth of her third child.

Mary Jefferson was born to politician and future president Thomas Jefferson and Martha Wayles Jefferson . Known as Polly the Parrot and gopher in her childhood, she later chose the nickname Maria. She was known as such until her death at age 25.

Source: Wikipedia