Katharine Hepburn's birth name is Katharine Houghton Hepburn.

Her full name is Katharine Houghton Hepburn.

Katharine Martha Houghton Hepburn was born on 1878-02-02.

Hepburn was named for her mother, Katharine Martha Houghton Hepburn (1878-1951), a longtime New England feminist and birth control advocate. Hepburn's niece, actress Katharine Houghton, also was named for Hepburn's mother. Houghton co-starred in the 1967 comedy/drama "Guess Who's Coming to Dinner," in which she appeared as Hepburn's daughter and the fiancée of the character played by Sidney Poitier.

Katharine Hepburn died on June 29, 2003 at the age of 96.