Frances Cleveland was the youngest First Lady of the United States, married to President Grover Cleveland. Born on July 21, 1864 in New Jersey, she married Cleveland in 1886 at age 21 while he was president, becoming a popular and charming figure in the White House. Known for her grace and warmth, she helped shape the role of First Lady during two non-consecutive terms (1885-1889 and 1893-1897). After leaving the White House, she lived a private life but remained a beloved public figure. Frances Cleveland died in 1947.