- 1936- ; associate justice, U.S. Supreme Court (1988- )
- 1917-63; 35th president of the U.S. (1961-63): assassinated
- 1888-1969; U.S. businessman & diplomat: father of John & Robert
- 1925-68; U.S. lawyer & political leader: assassinated
Origin of Kennedyafter President; president John F. Kennedy
Derived from the Gaelic Ó Ceannéidigh, "descendant of Head (ceann) + Ugly (éidigh) ".