Maggie Siff is an American actress who has built a career playing sharp, complex women on some of television’s most celebrated dramas. She is best known for her roles as Rachel Menken on Mad Men, Dr. Tara Knowles on Sons of Anarchy, and Wendy Rhoades on Billions. Born in the Bronx and trained in theater, Siff has carefully balanced mainstream success with a notably private personal life.
Her journey from the New York stage to the highest echelons of cable television is a story of steady, earned recognition. She has never been a tabloid fixture, yet her performances have made her a familiar face in millions of homes. This article covers her age, family background, career milestones, net worth, and the major questions fans most often ask about her life and work.
Who Is Maggie Siff? Biography and Early Life
Maggie Siff
June 21, 1974
52 (as of 2026)
Actress
Born in The Bronx, New York, Siff attended the competitive Bronx High School of Science. She earned a bachelor’s degree in English from Bryn Mawr College and later received an MFA from NYU’s Tisch School of the Arts. Before television brought her widespread fame, she worked extensively in theater and took smaller TV roles to build her craft.
Some key insights about her background and career include:
- Her career spanned from stage to critically acclaimed TV dramas.
- She is known for playing complex, strong female characters.
- Her role in Billions solidified her status as a leading actress on television.
- Despite her fame, she maintains a private personal life.
- Mad Men served as her breakout mainstream role.
- She has done substantial theater work alongside film and TV.
| Category | Detail |
|---|---|
| Full Name | Maggie Siff |
| Date of Birth | June 21, 1974 |
| Age (2026) | 52 |
| Birthplace | The Bronx, New York |
| High School | Bronx High School of Science |
| College | Bryn Mawr College (BA, English) |
| Graduate School | NYU Tisch School of the Arts (MFA) |
| Profession | Actress |
| Known For | Billions, Sons of Anarchy, Mad Men |
| Spouse | Paul Ratliff (m. 2012; died 2021) |
| Children | One daughter |
How Old Is Maggie Siff? Age and Key Facts
Maggie Siff was born on June 21, 1974, making her 52 years old as of 2026. Her zodiac sign is Cancer. She was born and raised in the Bronx, New York, and her educational background includes an elite public high school and two prestigious colleges. These biographical details are consistently reported across multiple authoritative sources, including Wikipedia and Rotten Tomatoes.
Who Is Maggie Siff’s Husband? Relationships and Family
Marriage to Paul Ratliff
Siff married Paul Ratliff in 2012. The couple had one daughter, Lucy. Public information on Ratliff is limited, but some secondary biographical sources describe him as a psychotherapist and a former design strategist. These details, however, are not consistently confirmed across the most reliable sources.
The Loss of Her Husband
Paul Ratliff died in 2021 of brain cancer. Following his death, multiple sources describe Siff as widowed. The actress has not publicly discussed a new partner, and no confirmed information is available regarding a current relationship.
Maggie Siff is known for guarding her private life closely. The main reported details regarding her family are her marriage to Paul Ratliff, their daughter Lucy, and his death in 2021. Information about a new partner has not been confirmed by reliable sources.
Does Maggie Siff Have Children?
Yes, she has one daughter, Lucy, born during her marriage to Paul Ratliff. No further details about the child are publicly available, consistent with the actress’s overall approach to privacy.
What Is Maggie Siff’s Net Worth? Salary and Financial Insights
One biographical source estimates her net worth at about $8 million. This figure should be treated with caution, as net worth estimates from entertainment websites are often unsourced and can vary significantly. Her primary source of income has been her long-running television roles, particularly the seven seasons she spent on Billions.
Net worth figures for public figures are rarely independently verified. The $8 million estimate comes from a secondary biographical source and may not reflect her actual financial position. No official financial disclosures are available.
Top Movies and TV Shows: From Mad Men to Billions
Major TV Roles
Siff’s television career is defined by three landmark roles. On Mad Men, she played Rachel Menken Katz, a department store executive and heiress who became one of the show’s early standout characters. On Sons of Anarchy, she portrayed Dr. Tara Knowles, a role that brought her wide recognition and critical praise. On Billions, she played Wendy Rhoades, a performance she sustained for seven seasons. According to Broadway.com, Billions became another signature role in her career.
Film Work
Her reported film credits include Push (2009), Leaves of Grass (2009), The Fifth Wave (2016), Concussion, A Woman, a Part, The Short History of the Long Road, The Sweet Life, and One Percent More Humid. These roles, documented by sources such as the Bronx Walk of Fame, show her range beyond television.
Mad Men was her breakout role. Sons of Anarchy established her as a major TV actress and earned award nominations. Billions cemented her status as a leading actress on premium cable. She has also maintained a substantial theater career throughout.
Is Maggie Siff on Instagram? Social Media Presence
Maggie Siff does not maintain a publicly confirmed, verified personal social media account. An unofficial fan page exists on Instagram under the handle @maggiesiffbrasilfans, but there is no evidence that Siff herself operates it. Her absence from social media aligns with her overall approach to keeping her personal life out of the public eye.
Maggie Siff Timeline: Key Career Milestones
- 1974 – Born in New York City.
- 2004 – Broadway debut.
- 2007 – Cast as Rachel Menken in Mad Men.
- 2008 – Began playing Dr. Tara Knowles on Sons of Anarchy.
- 2012 – Married Paul Ratliff.
- 2016 – Cast as Wendy Rhoades in Billions.
- 2021 – Husband Paul Ratliff passed away.
What Is Known and What Remains Unclear About Maggie Siff’s Life
| Established Information | Information That Remains Unclear |
|---|---|
| She was born on June 21, 1974. | Her current relationship status or partner’s identity. |
| She is known for roles in Mad Men, Sons of Anarchy, and Billions. | Her husband’s exact professional background. |
| She was married to Paul Ratliff, who died in 2021. | Her precise net worth or salary. |
| She has one daughter. | Whether she has an active, verified social media presence. |
How Does Maggie Siff’s Career Compare to Her Peers?
Siff has consistently chosen roles in gritty, character-driven dramas. Her work on Billions marked a high point in her career, placing her alongside actors like Paul Giamatti and Damian Lewis. Unlike many of her contemporaries, she has avoided a high public profile, letting her work speak for itself. For readers interested in similar biographical profiles, see Rosie Cavaliero – Biography, Age, Movies, and TV Shows and Misha Collins – Biography, Age, Height and Supernatural Career.
What Are the Most Reliable Sources for Information on Maggie Siff?
The most authoritative source for biographical data on Siff is Wikipedia, which is continuously updated and cites official records. Industry sites like Broadway.com and All American Speakers provide verified career details. For performance reviews and filmography, Rotten Tomatoes is a reliable aggregator.
What’s Next for Maggie Siff?
As of 2026, Siff remains active in the entertainment industry. While no major upcoming projects have been officially announced, her track record suggests she will continue to choose roles in high-quality television, film, and theater. Her ability to reinvent herself across different genres makes her one of the most respected actresses of her generation.
Frequently Asked Questions
Who is Maggie Siff?
Maggie Siff is an American actress best known for playing Wendy Rhoades on Billions, Tara Knowles on Sons of Anarchy, and Rachel Menken on Mad Men.
How old is Maggie Siff?
She was born on June 21, 1974, making her 52 years old as of 2026.
Who was Maggie Siff’s husband?
She was married to Paul Ratliff from 2012 until his death from brain cancer in 2021.
Does Maggie Siff have children?
Yes, she has one daughter named Lucy.
What is Maggie Siff’s net worth?
One source estimates her net worth at about $8 million, though such figures are often unverified.
Who is Maggie Siff’s new partner?
No confirmed information about a new partner is publicly available.
What are the best movies and TV shows with Maggie Siff?
Her most acclaimed work includes Billions, Sons of Anarchy, and Mad Men. Notable films include Push and The Fifth Wave.
What is Maggie Siff’s role in Billions?
She plays Wendy Rhoades, the in-house psychiatrist at a hedge fund, a role she held for seven seasons.
What is Maggie Siff’s Instagram handle?
She has no confirmed personal account. An unofficial fan page exists at @maggiesiffbrasilfans.
Is Maggie Siff on social media?
There is no evidence she maintains a public, verified social media presence.
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Jonathan Crawford is Editor-in-Chief at BritView.uk, overseeing editorial policy, corrections, standards and publication decisions.