Boen of a socially prominent family, she worked (1951–53) as a journalist and photographer before marrying (1953) John F. Kennedy. As first lady (1961–63), Jacqueline Kennedy planned and conducted the restoration of the White House and had Congress declare the White House a national museum. After the assassination of President Kennedy, she returned to private life and later married (1968) the Greek shipping magnate Aristotle Onassis, who died in 1975. From 1978 until her death she was an editor at Doubleday.
See biographies by D. Heymann (1989) and D. Spoto (2000); M. B. Gallagher, My Life with Jacqueline Kennedy (1969); M. V. Thayer, Jacqueline Kennedy: The White House Years (1971).