Billie and her brother Finneas have the same last name (O’Connell). Eilish is one of Billie’s middle names and she uses it as her stage name. Pirate and Baird are her other two middle names. Billie and Finneas are full siblings.
Billie Eilish is a multiple Grammy Award-winning singer and songwriter. She rose to prominence in late 2016 with the release of her debut single, “Ocean Eyes.” Her debut EP, Don’t Smile at Me, was released in August 2017.
Finneas, her brother, is a songwriter, producer, and multi-instrumentalist. He has produced most of Billie’s music and won four Grammy Awards for his work on her album, “When We All Fall Asleep, Where Do We Go?”
What is Billie Eilish’s Full Name?
Billie Eilish’s full name is Billie Eilish Pirate Baird O’Connell. She was born on December 18, 2001, in Los Angeles, California, to parents Patrick O’Connell and Maggie Baird. Baird, her mother’s maiden name, is also her middle name, and Eilish is the Irish form of the name Elizabeth.
Her first name was supposed to be Pirate, a nickname from her older brother Finneas. But her grandfather “Billie” died shortly before she was born, so her parents named her after him, and Pirate became her middle name. She is popularly known as Billie Eilish.
Why Did Billie Eilish Change Her Last Name?
Billie Eilish didn’t change her last name, she just uses one of her middle names as her professional name. Billie Eilish Pirate Baird O’Connell is her full name.
When she started releasing music and going on tour, she decided to just go by Billie Eilish. Her brother Finneas uses his last name, O’Connell, as his professional name.
Billie Eilish and her brother Finneas have different last names because Billie uses one of her middle names, Eilish, as her professional name. Her brother Finneas is a songwriter, producer, and multi-instrumentalist.
He has produced most of Billie’s music and won four Grammy Awards for his work on her album, “When We All Fall Asleep, Where Do We Go?” Billie and Finneas are both very talented in their own right and continue to make great music together.