Mamie Gummer- Bio, Family, Career

Who is Mamie Gummer?

Mamie Gummer is an American actress who is famous for her roles in The Good Wife, Cake, Ricki and the Flash, Evening, and Ugly Lies the Bone, etc.

The actress is also the daughter of American sculptor Don Gummer and actress Meryl Streep. Mamie Gummer is the spitting image of her mother.

Mamie is married to screenwriter Mehar Sethi, the writer, and producer of shows like Ricky and Morty and BoJack Horseman. The pair have a son together.

Mamie Gummer
Mamie Gummer Biography

Quick Facts

Full NameMary Willa Gummer
NicknameMamie Gummer
BirthdayAugust 3, 1983
Age 39 years old
Sun SignLeo
TraitsPositive: Loyal, honest, and caring
Negative: Jealous, stubborn, and possessiveness 
BirthplaceNew York City, U.S.
Currently residingLos Angeles, U.S
EducationSchooling from Miss Porter’s School
High School from Kent School
Bachelor’s Degree from Northwestern University,2005
ParentsDon Gummer (Father)
Meryl Streep (Mother)
SiblingsHenry Wolfe Gummer (Brother)
Grace Gummer (Sister)
Louisa Jacobson (Sister)
Height5 feet 6 inches (1.73 m)
Weight57 kg (125 lbs)
Eye ColorBlue
Marital StatusMarried
Spouse Name Benjamin Walker (Ex-Husband)
Mehar Sethi (Husband)
Profession Actress

Interesting Facts

  • She is the eldest child of Academy Award-winning actress Meryl Streep.
  • The actress has three siblings, Henry, Grace, and Louisa.
  • She was married to actor Benjamin Walker for only forty-two days.
  • Mamie is married to the screenwriter of BoJack Horseman and Ricky and Morty, Mehar Sethi.
  • She was born in New Tork City but was raised in Connecticut and even lived in Los Angeles for a brief time.
  • Her favorite actress in Cate Blanchette.
  • The actress was in The Devil Wears Prada and played the role of a barista. But her scenes were deleted due to time issues.
  • Merely Streep was pregnant with Mamie when she got her first Oscar.
  • Mamie played a younger version of her mother in a movie, Evening.

Mamie Gummer Early life and Childhood

On August 3, 1983, Mamie Gummer was born in New York City. Moreover, she is the eldest child. After New York, she then moved to Salisbury, Connecticut. She was raised there.

Then she moved to Los Angeles with the rest of her siblings and lived here for five years. She attended Miss Porter’s School located in Farmington, Connecticut. Moreover, the actress graduated from Kent School located in Kent, Connecticut.

She then attended Northwestern University, located in Evanston, Illinois. In addition, she took theater and communications as her major. She then graduated in 2005.


Don Gummer (Father)

Don Gummer was born on December 12, 1946, in Louisville, Kentucky, U.S. His parents are  Dorothy Ann and William Adolph Gummer. In addition, he has five brothers named Steven, Jack, William, Mark, and Richard.

Don attended Ben Davis High School and then transferred to Herron School of Art. Then, he studied at the School of the Museum of Fine Arts in Boston and eventually went to Yale School of Art for Bachelor of Fine Arts and Master of Fine Arts.

Don is an American sculptor. Moreover, he mainly worked table-top and wall-mounted sculpture during his early sculpting days. Later, he shifted to working with bronze and did significant free-standing works. 

Meryl Steep and Don
Mamie’s parents Meryl Steep and Don Gummer

After this, he began working with other materials as well like stainless steel, stained glass, and aluminum. As his interest in outdoor works rose, the sculpture grew interested in public art. 

Meryl Streep (Mother)

Mary Louise Streep, also known as Meryl Streep, was born on June 22, 1949, in Summit, New Jersey, U.S. She is an American actress best known for her versatility and adaptability. 

Moreover, she has a record of having the highest number of Oscar nominations. She has been nominated for 21 Academy Awards and won three times. Similarly, she has 32 Golden Globe nominations and has won eight.

The actress has had one of the longest careers in Hollywood. She began acting in 1975 and is still working now, decades later. Her hit movies include The Deer Hunter, Sophie’s Choice, Mamma Mia!, Into the Woods, Little Women, The Devil Wears Prada, etc.

Meryl and sculptor Don met in 1978 and got married after six months, the same year. They together have four children, three daughters, and a son. 


Henry Wolfe Gummer (Brother)

Henry Gummer was born on November 13, 1979, in New York. He attended Hotchkiss School and later went to Dartmouth College.

Henry is a musician and is also the co-founder of the indie-pop band Bravo Silva. After the band dissolved, he performed solo and released two albums. In 2011, he appeared on Jimmy Kimmel Live! and performed two songs from his Linda Vista album.

The musician also had a short-acting career. He appeared in films like The Good Shepherd and Wolfe with an E.

Grace Gummer (Sister)

On May 9, 1986, Grace Gummer was born in New York City. She is an American actress and has appeared in The Newsroom, Mr. Robot, American Horror Story: Freak Show, etc.

The actress has a degree in Art History and has studied abroad in Italy as well. Therefore she speaks Italian too. 

The actress married musician Tay Strathairn and divorced him after 42 days. In 2021, she married musician Mark Ronson after dating him for a year.

Louisa Jacobson (Sister)

Louisa is the youngest sibling. On June 12, 1991, she was born in Los Angeles, California, U.S. Louisa Jacobson is also an actress like her sisters.

She went to Vassar College and received a degree in psychology in 2013. Moreover, the actress also attended the British American Drama Academy and Yale School of Drama.

Later on, Louisa has worked in series like The Gilded Age in 2022. Before, she did plays like Member of the Wedding, Romeo & Juliet, etc.

Romantic Affairs and Relationship

Benjamin Walker (Ex-Husband)

Mamie Gummer and actor Benjamin Walker began dating in late 2007. After being tother for a year and a half, the couple got engaged in October 2009.

They tied the knot in July 2011 In her family home in Connecticut. The couple then began living in Brooklyn, New York. Unfortunately, the couple announced their divorce in 2013.

Mehar Sethi (Husband)

Mehar Sethi is a screenwriter and producer. He is mainly known for his work in Ricky and Morty, BoJack Horseman, and It’s Always Sunny in Philadelphia.

Mamie Gummer with her husband, Mehar Sethi
Mamie Gummer with her husband, Mehar Sethi

In August 2018, Mamie and screenwriter Mehar Sethi got engaged. The couple later tied the knot in February 2019.

Mamie Gummer Children 

After being engaged to Mehar in August 2018, Mamie revealed that she was pregnant with their child in December 2018.

After they got married in February 2019, it was revealed that the couple welcomed their son in the same month.


Mamie was only 20 months old when she debuted as an actress. She starred in a movie called Heartburn which starred her mother, Meryl Steep, and actor Jack Nicholson. The actress even managed to get a good review in New York Times.

After growing up, she did broadways show like Mr. Marmalade and The Water’s Edge, for which she won an award. Her first film was with actor Richard Gere in The Hoax. After that, she played a younger version of her mother in the Evening.

The American actress played Nancy Crozier on The Good Wife, Lucy Purcell in True Detective, Dr. Mina Minard in Off the Map, Mel in The Lifeguard, Julie Brummel in Ricki and the Flash, etc.

Her awards include the Drama Desk Award for Outstanding Actress in a Play and Theatre World Award.

Mamie Gummer picture
Mamie Gummer picture


1986HeartburnAnnie Forman (Credited as Natalie Stern)
2006The HoaxDana
2006The Devil Wears PradaStarbucks employee (Deleted scene)
2007EveningLila Wittenborn
2007All Saints DayLily
2008The Loss of a Teardrop DiamondJulie Corleone
2009Taking WoodstockTisha
2009The LightkeepersRuth
2010Twelve ThirtyMaura
2010The WardEmily
2013The LifeguardMel
2013Side EffectsKayla Millbank
2014Echo ParkSophie
2015The End of the TourJulie
2015Ricki and the FlashJulie Brummel
2018An Actor PreparesAnnabelle
2018Out of BlueJennifer Rockwell
2021SeparationMaggie Vahn

Mamie Gummer Television:

2008John AdamsSally Smith Adams
2010–15The Good WifeNancy Crozier
2011Off the MapDr. Mina Minard
2011A Gifted ManGemma
2012The Big CMaxine Cooper
2012–13Emily Owens, M.D.Emily Owens
2014ElementaryMargaret Bray
2016The CollectionHelen Sabine
2018The Good FightNancy Crozier
2018Robot ChickenCarly (voice)
2018Castle RockMatthew Deaver’s Mother
2019True DetectiveLucy Purcell
2020Blood of ZeusElectra
2020The Right StuffJerrie Cobb

Mamie Gummer Theatre:

2003The Laramie ProjectNorthwestern University Theater
200412 Volt HeartNorthwestern University Theater
2004The House of Blue LeavesBananas ShaughnessyNorthwestern University Theater
2005–2006Mr. MarmaladeLucyLaura Pels Theatre, NYC
2006The Water’s EdgeEricaSecond Stage Theatre, NYC
2007The Autumn GardenSophie TuckermanWilliamstown Theatre Festival
2007Desdemona: A Play about a HandkerchiefPlaywrights Horizons Mainstage Theatre
2008Les Liaisons DangereusesCécile VolangesAmerican Airlines Theatre
2008Hunting and GatheringBessPrimary Stages, NYC
2009Uncle VanyaSonya SerebryakovaClassic Stage Company, NYC
2015Ugly Lies the BoneJessRoundabout Theatre, NYC
2017The SiegelAliceSouth Coast Repertory, LA
2018Our Very Own Carlin McCulloughCynGeffen Playhouse Theater, LA

Awards and nominations:

Title (year)CategoryNominated WorkStatus
Theatre World Award (2006)Best Supporting Actress
Mr. MarmaladeWinner
Lucille Lortel Award (2007)Outstanding Featured Actress
The Water’s EdgeNominated
Lucille Lortel Award (2009)Outstanding Featured Actress
Uncle VanyaNominated
Drama Desk Award (2016)Outstanding Actress in a Play
Ugly Lies The Bone at Roundabout UndergroundNominated

Net Worth

As of 2022, Mamie Gummer has a net worth of USD 10 million.

Social Media

Although the actress isn’t much active, she does have an Instagram account with almost 14k followers. Moreover, she doesn’t have Twitter or Facebook, although there are fan pages in her name.


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