Mary Pelham, Countess of Chichester

British noble (1776–1862)

Parents

• Amelia Osborne, Marchioness of Carmarthen
• Francis Osborne, 5th Duke of Leeds

Children

• Lady Lucy Pelham
• Lady Catherine Pelham
• John Pelham
• Henry Pelham, 3rd Earl of Chichester
• Lady Amelia Pelham
• Frederick Thomas Pelham

Siblings

• Augusta Leigh
• Francis Osborne, 1st Baron Godolphin
• George Osborne, 6th Duke of Leeds
• Catherine Osborne
• Lord Sidney Osborne

Partners

• Thomas Pelham, 2nd Earl of Chichester