Dylan O’Brien Sister, Julia O’Brien Biography: Trans Masculine, Social Media, Family, Identity, Age, Net Worth, Wikipedia

Julia O’Brien is widely recognized as the older sister of actor Dylan O’Brien, known for his roles in Teen Wolf and The Maze Runner film series.

She has garnered attention through her social media presence, particularly on Instagram, where she shares glimpses into her personal experiences and family moments.

Her connection to Dylan has brought her into the public eye, yet she continues to establish her own identity separate from her brother’s fame.

Profile

• Full Name: Julia O’Brien
• Stage Name: Julia O’Brien
• Born: 17, April 1990
• Age: 35 years old
• Birthplace: New York, USA
• Nationality: American
• Occupation: Social Media Personality
• Height: Unknown
• Parents: Lisa O’Brien and Patrick O’Brien
• Siblings: Dylan O’Brien
• Spouse: None
• Children: None
• Relationship: Single
• Net Worth: Unknown

Early Life And Education

Julia O’Brien was born on April 17, 1990, in New York, USA, to Lisa O’Brien, a former actress who ran an acting school, and Patrick O’Brien, a camera operator. She is the elder sibling of Dylan O’Brien.

Julia graduated from college in December 2012. She is of Irish, Italian, English, and Spanish descent. Her religious affiliation is not publicly known.

Career

Julia O’Brien has not pursued a career in the entertainment industry like her brother, her online presence has allowed her to connect with a broad audience and share her experiences.

About her brother, Dylan O’Brien began his career by posting original videos on his YouTube channel at the age of 14. His early exposure led to opportunities in web series and eventually to his breakout role as Stiles Stilinski in MTV’s Teen Wolf (2011–2017), where his performance garnered critical acclaim and a dedicated fan base.

Transitioning to film, O’Brien starred as Thomas in The Maze Runner trilogy (2014–2018), which achieved significant commercial success and solidified his status as a leading actor in young adult cinema. He further expanded his filmography with roles in Deepwater Horizon (2016), American Assassin (2017), and Love and Monsters (2020), showcasing his versatility across genres.

In recent years, O’Brien has taken on diverse projects, including the queer-themed film Ponyboi (2024) and the psychological thriller Twinless (2025), reflecting his commitment to complex and varied roles. His performances continue to receive praise, contributing to his enduring presence in the entertainment industry.

Social Media

• Instagram handle: @juliaeobrien
• Twitter handle: @julesybob417_

Personal Life

Julia O’Brien maintains a private personal life, with limited public information about her relationships or personal endeavors. She shares a close bond with her family, often expressing support for her brother Dylan through social media posts.

Julia has been open about her identity, identifying as trans masculine and using he/they pronouns.

Net Worth

Julia O’Brien’s personal net worth has not been publicly disclosed. However, her brother, Dylan O’Brien, has an estimated net worth of $7 million, accrued through his successful acting career in television and film.