Julia Louis-Dreyfus was born on January 13, 1961, in the New York City borough of Manhattan, to Judith (LeFever), a special needs tutor and author, and Gérard Louis-Dreyfus, a billionaire businessman. Her parents divorced when she was young, and she spent her childhood in Washington, D.C., and New York. She met her husband, Brad Hall, while in college.
She made her feature movie debut in the Woody Allen film Hanna and her sisters (1986).
She lives in Los Angeles with her husband and their two children.
Julia's paternal grandfather, Pierre Louis-Dreyfus, was from a prominent French Jewish family, while Julia's other ancestry is German, Mexican, English, French, Scottish, and Scots-Irish.