Billie Eilish
Written and reviewed by Emma Carter Updated August 25, 2026 Fact checked August 25, 2026





Interesting Biography Facts
Real name
Billie Eilish Pirate Baird OβConnell
Occupation
singer, songwriter
Birth Date
December 18, 2001
Age
24 years
Zodiac Sign
Sagittarius
Birthplace
Los Angeles, California, United States
Education
homeschooled
Nationality
American
Billie Eilish family members
Father's Name
Patrick OβConnell
Mother's Name
Maggie Baird
Siblings names
Finneas OβConnell (older brother)
Billie Eilish keeps her current relationships and family plans private.
Who are Billie Eilish parents?
Patrick OβConnell (father)
Date of birth: July 7, 1957
Billie Eilish has been interested in music since she was 8. Although the teen sensation didnβt plan to become professional, she got great training as a musician β mostly due to her father, who is a big fan of music. Patrick listened to recordings of various genres β starting with the Beatles and ending with Avril Lavigne. He taught his son Finneas and daughter Billie to love music and in addition let them become homeschooled, so they had enough time to make their music experiments.
Patrick OβConnell knows how important it is for an artist to have enough time for creative work. Thatβs because he is busy in the entertainment industry, too. He is an actor, known by roles Billieβs father acted in the movies βIron Manβ, βThe West Wingβ and others.

Patrick Mead OβConnell is the son of James Bernard OβConnell and Jean Stone. Jean passed away in 1975. After that James re-married Beatrix W. OβConnell and spent 36 years with her till his death in 2014. Billieβs grandfather was a Harvard graduate. He was a famous writer and singer. Patrick grew up with a brother James Jr.
Patrick fell in love with acting in his young years, which he spent in Norwalk, Connecticut. He moved to Los Angeles when decided to pursue acting as a career. There he resides till now with his wife Maggie and their two children.
Maggie Baird (mother)
Billieβs father taught her to understand music, while her mother inspired her to create it. Maggie is a unique personality, who develops her own creativity β and helps her daughter and son create theirs.
She rose to fame as a singer, songwriter, and voice actress. Maggie spoke for the heroine of a role-playing video game βMass Effect 2β, named Samara. Not long ago the woman co-wrote the movie βLife Inside Outβ, where she starred in the company of her husband and son.
Really, Maggie can be proud of what sheβs doing, but she is even more proud of the family she created. In her interview with βYour Teenβ magazine the woman told, that they donβt lead a typical βHollywoodβ lifestyle. Of course, each member of their family is a busy person, who visits auditions, and takes part in new projects, but if they have some free evening, surely they gather around a dinner table and enjoy the meal in the circle of the closest people.
By the way, Billie Eilish lived with her parents in their cozy, but not big house in LA even after she had become a star. The teen star resides with her parents in a two-bedroom home.
Maggie and her husband made up a difficult decision to let her kids study at home. She explained, that such a kind of getting education helped her kids to hear themselves and to understand, what their calling was.
Maggie May Baird is the daughter of William Norton Baird and his wife Edith May Shaw. Her mother passed away on November 3, 1987, from a sudden heart attack. Edith was 57 at the moment of her departure. Maggie still keeps her motherβs sweet image in her heart.
The actress Maggie Baird remains a great supporter of both her talented kids. In 2021 she appeared in her daughterβs documentary βBillie Eilish: The Worldβs a Little Blurryβ as herself.
Billie Eilish siblings
Finneas OβConnell (older brother)
Date of birth: July 30, 1997
Finneas is that very person, who played the key part in his sisterβs career. He authored a song βOcean Eyesβ and convinced Billie to sing it. Both had no idea, that their track would become so viral. Actually, that was the first stone, from which Billie Eilish started to build her career.
In addition to the role of Billieβs producer, Finneas is also a musician, songwriter, and actor. Viewers may remember him as Spencer from the film βBad Teacherβ, where he played opposite Cameron Diaz; as Alistair from the series βGleeβ and in some other projects.

Finneas OβConnell was born and raised in Los Angeles. He was homeschooled, and according to his interview with βYour Teenβ, he doesnβt plan to go to college in the nearest future. βItβs better to save the massive amount of money and spent it for the start of your careerβ, he tells.
Since September 2018 Finneas has been in a relationship with Claudia Sulewski, the YouTube star born in 1996. In October 2021he released the debut album βOptimistβ through the label βInterscope Recordsβ under the name Finneas. The full-length album consists of 13 songs. It is opened with Finneasβs hit single βA Concert Six Months from Nowβ. The set of songs was ranked 104 on US Billboard 200.
Bio
Billie Eilish is an American singer and songwriter known for When We All Fall Asleep, Where Do We Go? and Hit Me Hard and Soft.
Interesting and fun facts
- Grammy winner; singer-songwriter; private personal life.
- Family details are based on publicly available information.
- Unverified rumors are excluded.
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