Born into the Anglo-Irish Longford family, Lady Mary was the fourth child of Thomas Pakenham, 5th Earl of Longford.
Lady Gaga | Queen Mary | Mary | My Fair Lady | Mary, Queen of Scots | Mary I of England | Mary J. Blige | Mary Shelley | Mary Poppins | Mary Pickford | Mary of Teck | RMS Queen Mary | Mary Magdalene | Mary Robinson | Clive James | Mary Landrieu | Princess Alexandra, The Honourable Lady Ogilvy | Assumption of Mary | The Mary Tyler Moore Show | Mary (mother of Jesus) | First Lady of the United States | Mary-Kate Olsen | The Jesus and Mary Chain | Mary Chapin Carpenter | Lady Antebellum | Robert Clive | Mary Tyler Moore | Mary Stuart | Mary Hopkin | Lady Macbeth |
Thereafter, Pansy was brought up by her mother with her brothers Edward and Frank and her sisters Violet, Mary, and Julia.
Longford's daughters were Lady Violet Pakenham, a writer and critic and the wife of the noted novelist Anthony Powell, Lady Mary Clive, author of Christmas at the Savages and other novels, Lady Pansy Lamb, novelist, biographer, and wife of the painter Henry Lamb and Lady Julia Mount, mother of Sir Ferdinand Mount.