Is the granddaughter of Jimmy Braddock, the fighter, by Jimmy's daughter, Rosemarie. Rosemarie DeWitt had a supporting role in the film based on Jimmy's life, Cinderella Man (2005).
Mother, with husband Ron Livingston, of adopted daughters Gracie James Livingston (b. April 29, 2013) and Esperanza Mae Livingston (b. December 2015).
(November 2, 2009) Married her boyfriend of 3 years Ron Livingston in San Francisco.
Graduated from Whippany Park High School in Whippany, New Jersey, in 1989.
Graduate of New College of Hofstra University with a degree in creative
studies. Additional training at the Actors Center in New York.
She has eight half-siblings from her father's previous marriage.
She has Irish and 1/8th German ancestry. Her German-American paternal great-grandfather was born under the surname "Witt", and the family surname later became "DeWitt".
Was a member of Alpha Phi sorority at Hofstra University.
Won an OBIE for Small Tragedy at Playwright's Horizons.