Finneas O'Connell: 18 facts about the singer-songwriter and Billie Eilish's brother

1. Everything you need to know about Finneas O'Connell

Now you might know Finneas O'Connell for producing his sister Billie Eilish's music but he's a star in his own right. From singing to acting, Finneas is multi-talented. You can find out all the tea on Finneas right here. [Getty]

2. How old is Finneas O'Connell?

Finneas O'Connell was born on 30 July 1997, which makes him 26 years old. [Getty]

3. What is Finneas O'Connell's zodiac sign?

Finneas O'Connell was born on July 30, which makes him a Leo. Leos are known for being incredibly loyal, independent and sociable. [via Getty]

4. How tall is Finneas O'Connell?

Finneas O'Connell is 6 feet tall (or 1.82m). However, it was initially thought that he was around 5 feet 5 inches tall. He cleared up the rumour on Twitter. He tweeted: "Lol, internet says I’m 5’5, can y’all let me know I’m 6’?" [@finneas via Instagram]

5. What is Finneas O'Connell's net worth?

In July 2021, it was estimated that Finneas O'Connell is worth $20 million. Thanks to his various producing and songwriting credits, Finneas' net worth has increased rapidly in recent years. However, as always, net worths are notoriously tricky to work out so take that with a pinch of salt. [Getty]

6. Is Billie Eilish actually Finneas O'Connell's sister?

Finneas O'Connell's sister is singer Billie Eilish. He actually has songwriting and production credits on most of her songs and regularly appears in interviews with Billie to promote her music. Finneas described his relationship with his sister during an interview with Atwood magazine in April 2018. "We're a pretty close knit family to begin with so that’s not really super new," he said on touring together. "We get along really well so it’s been really nice." [Getty]

7. What is Finneas O'Connell's ethnicity?

Finneas O'Connell is caucasian. He is mainly of Scottish and Irish descent. [@finneas via Instagram]

8. What is Finneas O'Connell's nationality?

Finneas O'Connell is American. He was born in Los Angeles, California. [Getty]

Finneas O'Connell girlfriend Claudia Sulewski.

9. Finneas O'Connell has a girlfriend named Claudia Sulewski

Finneas O'Connell and Claudia Sulewski (b. 19 Feb, 1996) have been in a relationship since 2018 and he even released a song named 'Claudia' about her. Claudia – who hails from Chicago, Illinois, US – has over 2 million YouTube subscribers and Finneas often features on her YouTube channel. [Frazer Harrison/Getty Images for The Recording Academy]

10. Who is Finneas O'Connell dating? – Claudia Sulewski

Finneas O'Connell is dating YouTuber Claudia Sulewski. He released a single named 'Claudia' about her, which he wrote after the first night they met. [@finneas via Instagram]

11. Who plays Alistair in Glee?

Finneas O'Connell played Alistair in the final season of Glee in 2015. Alistair was a member of New Directions with Skylar (Myko Olivier) and Myron Muskovitz (J.J. Totah). He's remembered for his relationship with Spencer Porter (Marshall Williams). Alistair's final scene was performing 'I Lived' with all the past and present members of the New Directions. [Fox]

12. What other TV shows has Finneas O'Connell been in?

Finneas O'Connell plays Ronnie LaFontaine Jr in one season 6 episode of the popular sitcom Modern Family. He also appears in the premiere episode of Aquarius. [Getty]

13. What movies has Finneas O'Connell been in?

Finneas O'Connell has starred in numerous movies, including Bad Teacher, where he played little Spencer, a student of Elizabeth (Cameron Diaz), and Life Inside Out. Life Inside Out saw Finneas play Shane, the troubled son of Laura (Maggie Baird – his mother in real life too!), who discovers that he's a talented musician. Recently, Finneas has voiced the role of Jesse in Pixar's Turning Red. [Columbia Pictures]

14. Is Finneas in Turning Red?

Finneas is in Pixar's Turning Red. He voices 4*Town member Jesse and sings on all of 4*Town's songs on the soundtrack. Not only that but Finneas co-wrote and produced all of 4*Town's Turning Red songs with his sister Billie Eilish. [Disney+]

15. Is Finneas O'Connell a singer?

Finneas O'Connell is a singer, songwriter and producer. He has written and produced songs for his sister Billie Eilish and artists including Selena Gomez, Halsey and Camila Cabello. He has also released his own music under the name FINNEAS, including one album and two EPs. [Getty]

16. How many Grammys has Finneas O'Connell won?

Finneas O'Connell won eight Grammys as of February 2024. In 2020, he took home Song of the Year and Record of the Year for his work on Billie Eilish's track 'bad guy'. He also won Producer of the Year (Non-Classical), Album of the Year and Best Engineered Album (Non-Classical) for Billie's debut album, 'When We All Fall Asleep...'. In 2024, Finneas is nominated alongside Billie for his work producing the Barbie song 'What Was i Made For?' He has 17 nominations in total. [Rachel Luna/FilmMagic]

Finneas O'Connell Billie Eilish Happier Than Ever album

17. Finneas O'Connell produced and co-wrote Billie Eilish's Happier Than Ever album

Finneas O'Connell produced his sister Billie Eilish's second studio album, Happier Than Ever. He also wrote every track on the album with Billie. The album was recorded at Finneas' recording studio in the basement of his home in Los Angeles. Upon the release of the album, Finneas called Billie his "best friend, greatest collaborator and inspiration" in an Instagram post. Aww. [Interscope Records]

18. Finneas O'Connell is vegan

Finneas O'Connell is vegan. Like his sister Billie Eilish, Finneas was raised vegetarian before becoming vegan. Whilst promoting his mother's charitable initiative, Support + Feed, which helps provide plant-based meals to those in need during the coronavirus pandemic, Finneas said: "It’s so good, it’s honestly like so criminally easy to be vegan right now you have no excuse not to." [@finneas via Instagram]