Bella Ramsey was born on September 25, 2003, in Nottingham, England. As of September 22, 2026, Bella Ramsey is 22 years old and will turn 23 on September 25, 2026. The English actor became widely recognized as Lyanna Mormont in Game of Thrones before taking on the leading role of Ellie in HBO’s The Last of Us.
Their relatively young age can be surprising considering how long they have been working professionally. Ramsey began acting as a child and built an international career across television, film, animation, and voice work.
Bella Ramsey Age and Birthday
The commonly documented birth date is September 25, 2003. Guinness World Records also records that date and confirms Ramsey was 20 years old when their BAFTA Television Awards nomination was announced in March 2024.
| Detail | Information |
|---|---|
| Full name | Isabella May Ramsey |
| Date of birth | September 25, 2003 |
| Age on September 22, 2026 | 22 |
| Birthplace | Nottingham, England |
| Nationality | British |
| Profession | Actor |
| Known for | Game of Thrones, The Last of Us, The Worst Witch, Hilda |
Some entertainment websites have listed September 30 as their birthday, but multiple biographical references, including Guinness World Records and IMDb, give September 25, 2003. For that reason, September 25 is the date used here.
Why the age search is popular
Interest in Bella Ramsey age increased substantially after The Last of Us introduced them to an even larger international audience. Viewers often compare Ramsey’s real age with Ellie’s age in the story, but those are separate details. An actor’s age does not necessarily match the age of the character they portray.
From Child Performer to International Star
Ramsey’s acting career began early. According to IMDb’s biography, they started acting as a hobby at age four through Stagecoach Theatre Arts and later attended the Television Workshop before moving into professional auditions.
Their major breakthrough came with Game of Thrones. Ramsey played Lyanna Mormont, the young leader of Bear Island, beginning in the show’s sixth season. Although the character was originally expected to appear briefly, the role became a recurring part of the series.
That performance established Ramsey as a recognizable young actor well before their 20s.
Bella Ramsey’s Most Recognized Roles
The answer to “how old is Bella Ramsey?” makes more sense when viewed alongside their career timeline. They were still a teenager when many audiences first encountered them, yet their résumé already included several substantial roles.
The Worst Witch
Before The Last of Us, Ramsey played Mildred Hubble in the television adaptation of The Worst Witch. The role helped establish them outside the Game of Thrones universe and earned recognition at the British Academy Children’s Awards.
Hilda
Ramsey also became the voice of Hilda in the animated Netflix series Hilda. The series ran from 2018 to 2023, giving them an opportunity to build experience in voice acting alongside their live-action work.
Catherine Called Birdy
In 2022, Ramsey starred as the title character in Lena Dunham’s historical comedy Catherine Called Birdy. The performance further demonstrated that their career was not limited to television franchises.
Bella Ramsey Age During The Last of Us
Ramsey was 19 when The Last of Us premiered in January 2023. They played Ellie Williams alongside Pedro Pascal, who portrayed Joel Miller.
The role represented a major new stage in Ramsey’s career. The HBO series was adapted from Naughty Dog’s acclaimed video game and placed Ramsey at the center of a large-scale dramatic production.
Their performance also brought significant awards recognition. Guinness World Records identifies Ramsey as the youngest Leading Actress nominee at the BAFTA Television Awards, based on the 2024 nominations.
💡 Pro Tip: When checking an actor’s age for an article, always calculate it against the publication date rather than relying on an automatically generated “age” field. That avoids outdated ages around birthdays.
What Bella Ramsey Is Doing in 2026
At 22, Ramsey continues to work across film and television rather than being defined by a single franchise. IMDb’s current credits list projects including Sunny Dancer, The Sheep Detectives, and The Liberation, alongside their continuing association with The Last of Us.
Their career is notable for the variety of roles undertaken from childhood through early adulthood. They have moved between fantasy drama, family television, animation, historical comedy, and prestige television.
That range also explains why searches for Bella Ramsey age frequently appear alongside searches about their movies, television shows, birthday, nationality, and Ellie role.
Frequently Asked Questions
How old is Bella Ramsey in 2026?
Bella Ramsey is 22 years old as of September 22, 2026. They were born on September 25, 2003, and will celebrate their 23rd birthday on September 25, 2026. Guinness World Records also lists September 25, 2003, as their date of birth.
When is Bella Ramsey’s birthday?
Bella Ramsey’s birthday is September 25. Their documented year of birth is 2003, making September 25, 2026, their 23rd birthday. Some entertainment databases have displayed a different September date, but Guinness World Records and IMDb both identify September 25.
How old was Bella Ramsey in Game of Thrones?
Ramsey was around 12 when they first appeared as Lyanna Mormont in Game of Thrones during Season 6, which aired in 2016. Their performance quickly became one of their best-known early roles.
How old was Bella Ramsey in The Last of Us?
Ramsey was 19 when The Last of Us premiered in January 2023. They were born in September 2003, so they remained 19 until their birthday later that year.
What is Bella Ramsey best known for?
Bella Ramsey is particularly known for playing Lyanna Mormont in Game of Thrones and Ellie Williams in The Last of Us. They have also played Mildred Hubble in The Worst Witch and voiced Hilda in the animated series Hilda.
📌 Key Takeaway: Bella Ramsey age is 22 as of September 22, 2026, with their 23rd birthday coming on September 25. Born in 2003, Ramsey has already built a substantial acting career spanning Game of Thrones, The Worst Witch, Hilda, Catherine Called Birdy, and The Last of Us.
Ramsey’s age is only one part of their story. From starting theatre training as a child to becoming internationally recognized through major television roles, their career has developed across several genres and formats. For readers searching Bella Ramsey age, the key date to remember is September 25, 2003—and in 2026, that means they are 22 and approaching 23.

