She was the daughter of E. H. Shepard, a famous illustrator of children's literature including Winnie-the-Pooh by A. A. Milne and The Wind in the Willows by Kenneth Grahame.
Queen Mary | Mary | Mary, Queen of Scots | Mary I of England | Mary J. Blige | Mary Shelley | Mary Poppins | Mary Pickford | Mary of Teck | Sam Shepard | RMS Queen Mary | Mary Magdalene | Mary Robinson | Mary Landrieu | Assumption of Mary | The Mary Tyler Moore Show | Mary (mother of Jesus) | Mary-Kate Olsen | The Jesus and Mary Chain | Mary Chapin Carpenter | Shepard Fairey | Mary Tyler Moore | Mary Stuart | Mary Hopkin | Peter, Paul and Mary | Mary Lou Retton | Mary II of England | Mary Froning | Mary Black | Mary Cassatt |
Shepard's younger sister, Mary Shepard, also became an illustrator, and is most well known for her illustrations of P. L. Travers' Mary Poppins.