Sarah Jessica Parker was born in Nelsonville, Ohio, the daughter of Barbara Parker, a nursery school operator and teacher, and Stephen Parker, an entrepreneur and journalist. She was one of a total of eight children from her parents' marriage and her mother's second marriage (her full siblings include actors Timothy Britten Parker and Pippin Parker). After her parents' divorce, her mother married Paul Forste, a truck driver and account executive who was a part of Parker's life from an early age. Parker's father, a native of Brooklyn, is Jewish (from a family from Eastern Europe); his family's original surname was "Bar-Kahn" ("son of Kohen"). Parker's mother is of German, and some English, descent; through her mother, Parker is descended from Esther Elwell, one of the accused during the Salem witch trials. Parker has identified culturally with her father's religion, Judaism, although she has had no religious training. She has said that even while her family lived in Cincinnati, her mother emulated a New York lifestyle. As a young girl, Parker trained in singing and ballet, and was soon cast in the Broadway revival of William Archibald's The Innocents. Her family moved to Cincinnati and then to Dobbs Ferry, New York, near New York City, so that she could get specialized training. There, her mother and stepfather helped Parker develop her career as a child actress. In 1977, the family moved to the newly opened planned community on Roosevelt Island, in the East River between Manhattan and Queens, and later to Manhattan. The family later moved to Englewood, New Jersey, where Parker attended Dwight Morrow High School. Parker attended the School of American Ballet in New York City, the New York Professional Children's School, the School for Creative and Performing Arts in Cincinnati, and Hollywood High School in Los Angeles. Parker and four siblings appeared in a production of The Sound of Music at the outdoor Municipal Theatre (Muny) in St. Louis, Missouri. She was selected for a role in the new 1977–81 Broadway musical Annie: first in the small role of "July" and then succeeding Andrea McArdle and Shelley Bruce in the lead role of the Depression-era orphan, beginning March 1979. Parker held the role for a year. In 1982, Parker was cast as the co-lead of the CBS sitcom Square Pegs. The show lasted just one season, but Parker's performance, as a shy teen who showed hidden depths, was critically well received. In the three years that followed, she was cast in four films: the most significant being Footloose in 1984 and 1985's Girls Just Wanna Have Fun, co-starring Helen Hunt. In 1986, Parker appeared in Flight of the Navigator, a Disney science fiction film. In 1991, she appeared in a supporting role in the romantic comedy L.A. Story; both the movie and her performance garnered positive reviews. The following year, she landed a starring role in the well-received film Honeymoon in Vegas, co-starring Nicolas Cage. Her role of Sarah Sanderson in Disney's Halloween film Hocus Pocus was a higher grosser at the box office but received negative reviews. Also in 1993, she starred as a police diver opposite Bruce Willis in the film Striking Distance. The following year, she appeared opposite Johnny Depp in the critically acclaimed movie Ed Wood as Wood's girlfriend Dolores Fuller. The film Miami Rhapsody, in 1995, was a romantic comedy in which she had a leading role. In 1996, she appeared in another Tim Burton-directed movie, Mars Attacks!, as well as in The First Wives Club and The Substance of Fire, in which she reprised her 1991 stage role. In 1997, she appeared as Francesca Lanfield, a washed-up former child actress, in the comedy 'Til There Was You. Parker was romantically involved with actor Robert Downey, Jr. from 1984 until 1991. They met on the set of Firstborn. Downey had a drug problem, which affected their relationship. Parker has said, "I believed I was the person holding him together."She later briefly dated John F. Kennedy Jr. On May 19, 1997, she married actor Matthew Broderick to whom she was introduced by one of her brothers at the Naked Angels theater company, where they both performed. The couple married in a civil ceremony in a historic synagogue on the Lower East Side in Manhattan. The couple's son, James Wilkie Broderick, was born in 2002. Parker and Broderick's twin daughters, Marion Loretta Elwell and Tabitha Hodge, were delivered via surrogate in June 2009. Their middle names of "Elwell" and "Hodge" are from Parker's mother's family, which she discovered while researching her ancestry for the first episode of Who Do You Think You Are? As of 2009, she lives in New York City with her husband and children. The family also spends considerable time at their second home near Kilcar, a village in County Donegal, Ireland, where Broderick spent summers as a child. According to a March 2013 interview with the Net-a-Porter online magazine The Edit, "Parker runs her own production company, is on the board of The New York City Ballet, is a UNICEF Ambassador and fundraises for New York schools." Parker appeared in the premiere episode of the U.S. version of Who Do You Think You Are? on March 5, 2010, where she discovered she had ancestors involved in the California Gold Rush of 1849–50 and in the Salem Witch Trials of 1692.

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