Finneas O'Connell: 18 facts about Billie Eilish's brother you probably never knew

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

Now you might know Finneas O'Connell as Billie Eilish's younger brother, but he's a star in his own right. From music 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 24-years-old. [Getty]

3. 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]

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

As of July 2021, it's 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]

5. 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]

6. Who is Finneas O'Connell's sister? – Billie Eilish

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 YouTuber 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's 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 played 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 played Ronnie LaFontaine Jr for one episode of season 6 in cult sitcom 'Modern Family'. He also appeared 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 the 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. [Columbia Pictures]

14. Is Finneas O'Connell a singer?

Finneas O'Connell is an actor, songwriter and singer. He has written and produced songs for his sister Billie Eilish and singer Rebecca Black. He has also released his own solo singles under the name 'FINNEAS' like 'I Lost a Friend' and new single 'Angel'. [Getty]

15. Finneas O'Connell won five 2020 Grammys.

Finneas O'Connell won five Grammys on Sunday night (26 Jan) for Song of the Year and Record of the Year for his work on sister 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 Fall Asleep, Where Do We Go?' [Rachel Luna/FilmMagic]

Finneas O'Connell Billie Eilish Happier Than Ever album

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

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]

17. 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]