If you are a fan of singer Billie Eilish, then you might have known him as her older brother. Finneas O’Connell is a singer-songwriter, record producer, and actor. Dabbling between music and acting, the star has won 10 Grammy Awards, including Producer of the Year for his work on the debut album of his younger sister Billie Eilish.
He started off as a music producer and songwriter, and over the years, he has worked on a ton of songs for his sister. In 2019, he released his debut EP, Blood Harmony, thus marking the beginning of his solo career. He released his debut studio album Optimist in October 202, followed by his second album, For Cryin’ Out Loud!, in 2024. Finneas has carved out a successful solo career through his innovative production techniques, heartfelt songwriting, and collaborations with global superstars, earning him critical acclaim and a prominent place in the music industry. On the acting front, Finneas is famous for his work as Alistaire in the Fox TV series Glee as well as for his role as Shane in the award-winning film Life Inside Out. So, who is Finneas O’Connell? Here’s everything you need to know about the multifaceted star.
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Finneas O’Connell Biography
O’Connell was born on July 30, 1997, in Los Angeles, California, United States. He is 27 years old as of 2025.
| Full Name | Finneas Baird O’Connell |
| Birth Date | July 30, 1997 |
| Birth Place | Los Angeles, California, U.S. |
| Age | 27 |
| Zodiac Sign | Leo |
| Ethnicity | Scottish and Irish |
| Profession | Singer, Songwriter, Record producer and Actor |
| Nationality | American |
| Marital Status | Unmarried (In-relationship) |
| Girlfriend | Claudia Sulewski |
| Children | 0 |
| Residence | Los Angeles, California, U.S. |
Family Background
Finneas O’Connell hails from a creative family of renowned artists who already have a strong entertainment background. His parents are Maggie Baird and Patrick O’Connell, both actors and musicians. They are respected icons in the entertainment industry.
His younger sister, Billie Eilish, is also a singer and songwriter. She was home-schooled along with his sister.
He was homeschooled for most of his youth, a decision that gave him the flexibility to focus on music and acting.
Finneas O’Connell Girlfriend
Finneas O’Connell has been dating YouTuber and actress Claudia Sulewski since 2018. They both often appear in each other’s social media. Claudia has even inspired several of Finneas’s songs, including “Claudia” and “Let’s Fall in Love for the Night.”
Body Statistics
| Height | 6 feet or 183 cm |
| Body Build | Slim |
| Hair Color | Light Brown |
| Eye Color | Blue |
| Sexuality | Straight |
Career Overview
At such a young age, Finneas has garnered significant attention in the pop scene, thanks to his sister, Billie. His first breakthrough was his sister’s debut EP, Don’t Smile at Me, released in 2017, which he co-wrote and produced. The album made its way to the US Billboard 200, peaking at number 14.
He also co-wrote and produced Billie’s debut album When We All Fall Asleep, Where Do We Go? (2019), followed by Happier Than Ever (2021), and Hit Me Hard and Soft (2024). He has won 10 Grammy Awards so far, including three awards for the album “When We All Fall Asleep, Where Do We Go?”, which he produced.
His production work has extended to artists such as Selena Gomez (“Lose You to Love Me”), Camila Cabello, Halsey, Justin Bieber, Drake, Kid Cudi, Nicki Minaj, Demi Lovato, Ringo Starr, Tate McRae, Girl in Red, and Rosalía.
As a solo artist, Finneas released his debut EP, Blood Harmony (2019), featuring the hit “Let’s Fall in Love for the Night,” and his debut album, Optimist (2021). His second album, For Cryin’ Out Loud!, dropped on October 4, 2024. He also composed the score for the 2021 film The Fallout and voiced a character in Pixar’s Turning Red (2022).
Finneas O’Connell Net Worth
The self-made singer and record producer has accrued a net worth of $30 million as of 2025. His net worth is likely to increase several times as he’s already working on numerous projects. He recently purchased a lavish house overlooking Malibu beach for $5.2 million.
In 2019, he spent about $2.7 million for a luxury mansion in LA’s Los Feliz neighborhood.
Facts
He began writing songs early in his career.
During his early career, he was popularly known as the frontman and lead singer/songwriter of the band, The Slightlys. The band has won numerous awards and competitions in the Los Angeles area.
Their song, “Is There Anybody There,” was featured in an episode of ABC Family’s Switched At Birth.
He made his feature film debut in the movie Bad Teacher, where he played little Spencer, the student of Elizabeth (Cameron Diaz).
He appeared in the music video for Billie’s single Everything I Wanted.
Finneas dropped his debut EP Blood Harmony on October 4, 2019, which peaked at number 14 on the US Heatseekers Album. The album’s lead single “Let’s Fall in Love for the Night” reached number 17 and 24 on the US Billboard Alternative Songs and Rock Airplay charts, respectively.
He follows a vegan diet.
Finneas voiced Jesse in Pixar’s Turning Red (2022) and co-wrote the film’s soundtrack with Billie Eilish.