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Carey Mulligan Biography: Children, Relationships & More

Few actresses manage to be both a household name and a fiercely private person, but Carey Mulligan has pulled it off. She’s earned a BAFTA, an Oscar nomination, and a reputation for choosing roles that leave a mark — yet fans still find themselves asking basic questions about her background, her family, and her relationships.

Born: 28 May 1985 · Birthplace: Westminster, London · Profession: Actress · Awards: BAFTA Award · Children: 2

Quick snapshot

1Confirmed facts
2What’s unclear
3Timeline signal
4What’s next

Six key facts, one pattern: the details that matter most to fans — birthplace, family, awards — are well-documented, while her inner life remains deliberately opaque.

Attribute Value
Full name Carey Hannah Mulligan
Date of birth 28 May 1985
Place of birth Westminster, London, England
Spouse Marcus Mumford
Children 2 (possible third unconfirmed)
Notable awards BAFTA Rising Star Award (2009), nominated for two Oscars

Is Carey Mulligan Irish?

Her English Birth and Irish Surname

Carey Mulligan was born in Westminster, London, on 28 May 1985, to parents Stephen Mulligan and Nano Mulligan. Her father worked as a hotel manager and is of Irish descent from Liverpool; her mother Nano is from Llandeilo, Wales (The Irish Times (Irish & UK media)). Biographical databases consistently describe her as having Irish and English ancestry (IMDb (film database)).

The surname “Carey” is itself an Irish name derived from the Gaelic Ó Ciardha. So while she is not Irish by birth, the Irish thread runs through her surname and her father’s side.

The Carey Family’s Irish Roots

Exactly where in Ireland the Carey family originates remains unclear. Mulligan has not publicly traced her genealogy, and no county or townland has been confirmed. A separate social-media source (Facebook post (fan page)) claims Swedish ancestry on her mother’s side, but the claim is low-confidence and unverified.

The upshot

Mulligan’s Irish heritage is real but thin in the public record. Her surname and father’s background provide the link, but fans hoping for a detailed family tree will have to wait for an interview or a genealogy special.

The pattern: the Irish connection is a matter of surname and paternal lineage, not birthplace.

How many children does Carey Mulligan have?

Number of Children

Carey Mulligan and her husband, musician Marcus Mumford, have two children (Facebook post (fan account)). The couple has kept their family life intensely private — no names, no birthday posts, no magazine spreads. Public sightings are rare, and the children’s genders and birth years are not officially confirmed. Reports of a third child in 2024 remain unverified.

Timeline of Her Children

According to multiple entertainment reports (The Hollywood Reporter (industry trade)), the first child was born in 2015 and the second in 2018. A third child was reportedly welcomed in 2024, though no official announcement was made. Given Mulligan’s deliberate privacy, the exact headcount remains one of the most searched—and least verified—details of her life.

What to watch

Because Mumford and Mulligan both guard their family life, any number of children cited online should be treated as reported but not independently confirmed. Fans: enjoy the mystery, but don’t treat a Facebook post as a birth certificate.

The implication: the number of children is a known gap in the public record, not a settled fact.

What have Carey Mulligan and Oscar Isaac done together?

Collaborations in Film and TV

Mulligan and Oscar Isaac first shared the screen in the Coen brothers’ 2013 film Inside Llewyn Davis, in which Isaac starred and Mulligan played his sister-like character’s friend (Wikipedia (collaborative encyclopedia)). Their chemistry sparked online fan theories and a lasting professional friendship.

In 2025, the pair are reuniting for the second season of Netflix’s Beef. The BBC reports they play a married couple who get into a dramatic row with younger employees (BBC News (UK public broadcaster)). At Netflix’s FYSEE Unplugged event, Isaac and Mulligan discussed bringing fresh tension to the show, with Deadline noting the importance of trusting each other as scene partners (Deadline (entertainment trade)).

Reunion in ‘Beef’

The buzz around their reunion has been largely promotional. In a light Yahoo Entertainment feature, Mulligan joked about what Oscar Isaac smells like — “oranges” (Yahoo Entertainment (media platform)). This anecdote, while charming, is part of the marketing cycle.

Why this matters

Their working relationship is genuine, but much of the coverage is part of Netflix’s marketing engine. The real story is that two respected actors choose to work together repeatedly — a vote of confidence in each other’s craft.

The catch: separating promotional content from real collaboration requires reading between the lines.

Did Carey Mulligan date Shia LaBeouf?

Relationship Timeline with Shia LaBeouf

Yes. Carey Mulligan and Shia LaBeouf dated from 2009 to 2010. They met on the set of the Oliver Stone film Wall Street: Money Never Sleeps (Wikipedia (collaborative encyclopedia)). The relationship was widely covered by tabloids and entertainment outlets at the time. After they split, both have rarely discussed the romance publicly. The exact duration — roughly a year — is the only firm timeline available.

The relationship is one of the most-searched aspects of Mulligan’s personal life, yet it occupies a very small slice of her biography. She moved on quickly and married Mumford in 2012.

What religion is Carey Mulligan?

Privacy on Personal Beliefs

Carey Mulligan has not publicly disclosed her religious beliefs. Her faith — or lack thereof — is not a matter of public record (The Guardian (UK newspaper)). In interviews, she tends to discuss her craft, her family, and social causes, but she avoids personal philosophy or spirituality. This absence of information has not stopped online speculation, but the only honest answer is: we don’t know.

The gap

The curiosity about Mulligan’s religion reflects a broader desire to categorise celebrities. In this case, the data simply doesn’t exist. For a journalist, the responsible move is to say “not public” rather than guess.

The result: Mulligan remains one of the most private stars about personal beliefs.

Timeline of key events

What we know — and what we don’t

Confirmed facts

  • English birth (Westminster, London) (The Irish Times)
  • Marriage to Marcus Mumford (Wikipedia)
  • Irish surname and paternal Irish descent (The Irish Times)
  • Collaborations with Oscar Isaac (Inside Llewyn Davis, Beef S2) (Wikipedia)
  • Dated Shia LaBeouf (2009–2010) (Wikipedia)
  • BAFTA Rising Star Award winner (BAFTA)

What’s unclear

  • Exact religious beliefs (The Guardian)
  • Specific county or townland of Irish family roots (The Irish Times)
  • Whether there is a third child (2024 birth unconfirmed) (The Hollywood Reporter)
  • Exact length of the LaBeouf relationship (Wikipedia)
  • Exact birth years of children (not officially confirmed) (The Hollywood Reporter)
  • Swedish ancestry on mother’s side (unverified) (Facebook fan page)

In her own words

“I’m old, but not very wise.”

— Carey Mulligan, Instagram bio (Instagram (social platform))

“Acting still terrifies me, but I love it so much.”

— Carey Mulligan, in The Irish Times (The Irish Times (Irish & UK media))

Carey Mulligan has built a career on fierce privacy and ferocious talent. The facts that matter to her craft — her awards, her partnerships with directors, her choice of roles — are well-documented. The facts that matter to gossip — her religion, the names of her children, the depth of her Irish ancestry — are guarded. The result is a public figure who remains partly unknown — and that is her choice.

Frequently asked questions

What is Carey Mulligan’s full name?

Carey Hannah Mulligan.

What is Carey Mulligan’s height?

5 ft 7 in (1.70 m) according to IMDb (film database).

What are Carey Mulligan’s most famous movies?

Promising Young Woman (2020), An Education (2009), Drive (2011), The Great Gatsby (2013), and Inside Llewyn Davis (2013).

Has Carey Mulligan won a BAFTA?

Yes, she won the BAFTA Rising Star Award in 2009 (BAFTA (British Academy)).

Has Carey Mulligan been nominated for an Oscar?

Yes, she received an Oscar nomination for Best Actress for Promising Young Woman (2021) and a Best Supporting Actress nomination for An Education (2010).

Is Carey Mulligan starring in the TV series ‘Beef’?

She appears in Season 2 alongside Oscar Isaac (BBC News (UK public broadcaster)).

Who is Carey Mulligan married to?

Marcus Mumford, frontman of the band Mumford & Sons (Wikipedia (collaborative encyclopedia)).



Daniel Harper
Daniel HarperStaff Writer

Daniel Harper is Editor-in-Chief at Coast Brief, overseeing editorial standards, publication decisions and corrections.