Mary Cadwalader Rawle Jones (December 12, 1850 – September 22, 1935) was an American author, socialite, and social leader during the Gilded Age.

[15] His younger sister was famed Pulitzer Prize winning novelist Edith Newbold (née Jones) Wharton, known for her novel The Age of Innocence.

[3] On September 22, 1935, en route back to New York City after spending summer at Le Pavillon Colombe, Wharton's home on Rue de Montmorency in Saint-Brice-sous-Forêt, Minnie died of pneumonia in London, England.

[1] Edith coordinated the funeral arrangements and she was buried at St John the Baptist Churchyard in Aldbury, Hertfordshire, England, next to fellow writer Mary Augusta Ward.

[3] The Jones' summer home or cottage, known as the Reef Point Estate, in Bar Harbor on Mount Desert Island in Maine.