Mamie Gummer Height, Weight, Age, Body Measurements, Biography & Wiki
Mary Willa “Mamie” Gummer is an American actress, who has appeared in the lead role for The CW series Emily Owens, M.D. (2012-2013) and in the recurring roles as Nancy Crozier in The Good Wife (2010-2015) and in its spin-off The Good Fight (2018). As an actress, she has established her own career in film, television and stage acting in just about 20 years, supported by Academy Award-winning actress Meryl Streep and sculptor Don Gummer. She is now an Amazon psychological thriller star in We Were Liars and just got spotted in Paris Fashion Week Celine’s front row this past week with the Winter 2026 show.
Quick Facts
| Field | Details |
|---|---|
| Full Name | Mary Willa “Mamie” Gummer |
| Date of Birth | August 3, 1983 |
| Age (2026) | 42 years old |
| Birthplace | New York City, New York, USA |
| Nationality | American |
| Ethnicity | Norwegian, German, Swiss-German, English, Irish, Scottish, French |
| Dress Size | US 4–6 |
| Shoe Size | US 8 |
| Hair Color | Dark Brown / Blonde (varies by role) |
| Eye Color | Blue |
| Profession | Actress |
| Net Worth (2026) | $5M – $10M estimated |
| Active Since | 1986 (debut at age 2); 2006 (professional career) |
Early Life & Biography
Mamie Gummer was born in New York City, USA on August 3, 1983. Her mother is the renowned actress Meryl Streep and her father is sculptor Don Gummer. She was born in Salisbury, Connecticut and lived there for her childhood, along with her older brother, musician Henry Wolfe Gummer, and younger sisters, actress Grace Gummer and model/actress Louisa Jacobson Gummer, who spent five years in Los Angeles, California. She studied with Miss Porter’s School, Farmington, Connecticut, and finished her education at Kent School. She earned a degree in theater/communications from Northwestern University in 2005. Mamie’s first screen appearance was at 20 months old in her mother’s 1986 film Heartburn — under the name “Natalie Stern” to hide her identity as Meryl Streep’s daughter.
Career Highlights
- 2006 Won the Theatre World Award for her off-Broadway debut performance in Mr. Marmalade alongside Michael C. Hall.
- 2007 Starred alongside her mother in Michael Cunningham’s film adaptation Evening, playing the younger version of Streep’s character — a rare on-screen mother-daughter casting choice.
- 2008 Made her Broadway debut in the Tony Award-nominated revival of Les Liaisons Dangereuses, receiving critical praise for her performance as Cécile Volanges.
- 2013 Starred in Steven Soderbergh’s psychological thriller Side Effects alongside Rooney Mara and Jude Law, further establishing her dramatic range in film.
- 2015 Played Julie, the estranged daughter of her mother’s titular rock-musician character, in Jonathan Demme’s Ricki and the Flash; received a 2016 Drama Desk Award nomination for Outstanding Actress in a Play for the original production of Ugly Lies the Bone.
- 2019 Played Lucy Purcell, a mother embroiled in a crime investigation, in the third season of HBO’s acclaimed anthology series True Detective.
Body Measurements Table
| Attribute | Measurement |
|---|---|
| Height | 5 ft 7 in – 5 ft 8 in / 170–173 cm |
| Weight | 121–128 lbs / 55–58 kg (approximate) |
| Body Measurements | 34 – 25 – 35 inches |
| Bra / Cup Size | 34B |
| Dress Size | US 4–6 |
| Shoe Size | US 8 |
| Eye Color | Blue |
| Hair Color | Dark Brown / Blonde |
| Body Type | Slim / Athletic |
Note: Height estimates for Mamie Gummer vary noticeably across sources, ranging from 5 ft 6 in to 5 ft 8 in (167–173 cm). The 5 ft 7 in to 5 ft 8 in range is most commonly cited and used here; her hair color is also frequently reported differently depending on the era or role, as she has worn both natural dark brown and blonde-dyed styles throughout her career.
Net Worth
According to Celebrity Net Worth, Mamie Gummer has an estimated net worth of $10 million, built across nearly two decades of work spanning television, film, and theater. Her wealth stems from her extensive acting career, including television series such as Emily Owens, M.D., The Good Wife, and The Good Fight, films alongside her mother in Evening and Ricki and the Flash, and acclaimed stage work including a Drama Desk Award nomination for Ugly Lies the Bone.
Estimated Net Worth Range (2026): $5M – $10M
Sources: Celebrity Net Worth; multiple entertainment finance outlets
Her income streams span television roles including a recurring part on Yellowstone as Teresa Culpepper and her current series regular role in We Were Liars, supplemented by Broadway and off-Broadway theater credits, brand fashion partnerships including campaigns alongside her sisters, and real estate holdings.
