Mary Alsop King Waddington (April 28, 1833 - June 30, 1923) was an American author. She particularly wrote about her life as the wife of a French diplomat.Mary was born in New York City, New York on April 28, 1839 the daughter of Charles King (1789-1867), an American academic, politician, newspaper editor and the ninth president of Columbia College (now Columbia University) and his second wife, Henrietta Liston Low (1799-1882). Her paternal granddaughter was U.S. Senator Rufus King (1755-1827), the Federalist candidate for both Vice President (1804 and 1808) and President of the United States (1816). Her maternal grandfather was Nicholas Low (1739-1826), a New York merchant and developer.