Waterston was born in Westminster, London, England, on March 3, 1980. As of 2019, she turned 38 years old with the star sign, Pisces which defines her as an emotional and generous personality. Her full name is Katherine Boyer Waterston. She is the daughter of Sam Waterston (father), Oscar-nominated actor, and Lynn Louisa Woodruff (mother), American model. She grew up with her three siblings a sister Elisabeth Waterston, a brother James Waterston and a half-brother, Graham Waterston.
In 1998, Waterston graduated from Loomis Chaffee School. Later, she earned with a BFA degree in acting from Tish School of the Arts at New York University.
Katherine Waterston is an unmarried married. Previously, she was in a relationship with Adam Rapp, who is an American playwright and director. Currently, there is no information about her affair, married, boyfriend, relationship, and dating history. It seems she is single now. She might be focusing on her career.
As per some sources, Katherine confirmed her pregnancy but she has kept the details of the baby’s father and her possible partner private.
Waterston performed in the play Los Angeles by Julian Sheppard, in 2007. In 2008, she made her debut in, Kindness. Also, she played the role of Gena in the original Off-Broadway production of Bachelorette. She played Anya in the Classic Stage Company revival of The Cherry Orchard, in 2011. In the same year 2011, she performed in Dreams of Flying, by Adam Rapp, at the Classic Stage Company.
Waterston has an estimated net worth of $1 million. She appeared in several hit movies that made an impressive collection at the box office, whereas her one of the hit movie ‘Fantastic Beasts and Where to Find Them’ earned $814 million box office collection.
Waterston is active in her social media profile including, Facebook, Instagram, and Twitter. Similarly, she has 30k followers on her Twitter account and 7k followers on her Instagram account. Likewise, she has more than 5k followers on her Facebook account.