Who Is Finneas O’connell?

Finneas O’connell Was Born on July 30, 1997, in Los Angeles, California, to Maggie Baird and Patrick O’connell, Who Are Both Actors and Musicians.

How Did Finneas O’connell Become Famous?

In 2006, Finneas O’connell Stepped into the Limelight with a Role in “Night at the Museum. ”

Collaboration with Billie Eilish

Finneas and Billie’s Musical Partnership Began When Finneas Wrote a Song Called “Ocean Eyes” for His Band, but Decided to Give It to Billie to Sing.

Who Is Billie Eilish?

Billie Eilish Is an American Singer, Songwriter, and Musician.

What Is Finneas O’connell Doing Now?

Currently, Finneas O’connell Wears Multiple Hats as a Prolific Producer and Solo Artist.

Is Finneas O’connell Married?

Finneas O’connell Is Not Married, but He Is in a Relationship with Claudia Sulewski, Who Is a Youtuber, Actress, and Influencer.

Finneas O’connell Is a Musical Genius, Who Has Made a Huge Impact on the Music Industry with His Sister, Billie Eilish, and on His Own.

Billie Eilish Brother: Meet Finneas O’connell, the Grammy-Winning Producer and Singer

By Elena Rostova

• Oct 8, 2026 • 6 min read

Direct Answer • Key Takeaway

Billie Eilish Brother: Meet Finneas O’connell, the Grammy-Winning Producer and Singer

Elena Rostova

Lead Health, Wellness & Medical Journalist

Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.

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