Finneas O’Connell, also known mononymously as FINNEAS, is an American singer-songwriter, record producer, and actor best known for producing and co-writing songs for his sister, Billie Eilish.
Born on July 30, 1997, in Los Angeles, he became one of the youngest Grammy-winning producers in history. Finneas has won 10 Grammy Awards, including Producer of the Year, and received both an Academy Award and Golden Globe for songs like “No Time to Die” and “What Was I Made For?” His solo music career includes hit albums like Blood Harmony, Optimist, and For Cryin’ Out Loud!.
Finneas O’Connell Wiki/Bio
| Field | Info |
| Full Name | Finneas Baird O’Connell |
| Nickname | FINNEAS |
| Date of Birth | July 30, 1997 |
| Age | 28 years (as of 2025) |
| Place of Birth | Los Angeles, California, USA |
| Nationality | American |
| Profession | Singer-Songwriter, Record Producer, Actor |
| Religion | Not publicly known |
| @finneas |
Physical Details
| Attribute | Measurement |
| Height | 6’0” (183 cm) |
| Weight | Approx. 75 kg (165 lbs) |
Early Life
Finneas O’Connell was born in Los Angeles into a creative and artistic family. His mother, Maggie Baird, is an actress and screenwriter, and his father, Patrick O’Connell, is an actor and musician. He grew up alongside his sister Billie Eilish, and both were homeschooled. Their parents supported them in exploring music, acting, and creativity from a young age. Finneas started writing songs at 12 after taking a songwriting class with his mother. He joined the Los Angeles Children’s Chorus and later formed a band called The Slightlys, performing at local events including Warped Tour.
Education
Finneas was homeschooled in Los Angeles by his parents. He didn’t attend college and instead learned music production on his own using software like Logic Pro. His real-world experience with songwriting and performing shaped his path in music and entertainment.
Family
Finneas’s parents, Maggie Baird and Patrick O’Connell, have been supportive throughout his and Billie’s careers. His younger sister Billie Eilish is one of the most successful pop artists in the world, and the two work closely together on her music. Since 2018, Finneas has been in a relationship with YouTuber and actress Claudia Sulewski. He often shares how Claudia has inspired his music. The couple lives in Los Feliz, Los Angeles, with their dog Peaches.
Career
Finneas began his career in music by writing songs for his band, The Slightlys. His big breakthrough came in 2015 when he produced Billie Eilish’s debut song “Ocean Eyes.” Originally written for his band, the track went viral and launched Billie’s career. Finneas continued to co-write and produce her music, including Don’t Smile at Me, When We All Fall Asleep, Where Do We Go?, Happier Than Ever, and Hit Me Hard and Soft. His work earned him 10 Grammy Awards, including Album of the Year and Producer of the Year.
He also produced songs for major artists like Selena Gomez (“Lose You to Love Me”), Drake, Justin Bieber, and Camila Cabello. As a solo artist, Finneas released Blood Harmony in 2019, with hits like “Let’s Fall in Love for the Night,” followed by the albums Optimist (2021) and For Cryin’ Out Loud! (2024). He is also a skilled actor, with roles in Bad Teacher, Life Inside Out, Glee, and Modern Family. In animation, he voiced Jesse in Pixar’s Turning Red (2022). Finneas also composes film scores and worked on The Fallout and Vengeance.
Career Milestones
| Year | Milestone |
| 2015 | Produced Billie Eilish’s “Ocean Eyes” |
| 2019 | Released debut solo EP Blood Harmony |
| 2020 | Won 6 Grammy Awards including Producer of the Year |
| 2021 | Won Academy Award and Golden Globe for “No Time to Die” |
| 2024 | Released solo album For Cryin’ Out Loud! |
Net Worth
| Year | Estimated Net Worth |
| 2023 | $20 million |
| 2025 | $30 million |
Finneas O’Connell has an estimated net worth of $20–30 million as of 2025. He earns primarily through music production, songwriting royalties, solo music, acting, and composing film scores. His collaborations with Billie Eilish brought major success, but he has also worked with artists like Selena Gomez and Camila Cabello. Finneas lives in Los Feliz, Los Angeles, where he built a home studio in his basement to produce much of Billie’s music. His music licensing and performance revenue also contribute to his income.
Controversies
Finneas has stayed away from major controversies throughout his career. Some critics have suggested his fame is tied to Billie Eilish’s success, but his awards and work with other artists prove his individual talent.
In 2020, his song “Can’t Wait to Be Dead” about internet culture sparked minor debate, but it was largely seen as creative commentary. Overall, Finneas has kept a professional public image focused on his music and work.