Her Middle Name is “Pirate”
Billie Eilish was born December 18th in Highland Park, Los Angeles. Her full name is Billie Eilish “Pirate” Baird O’Connell. Her parents originally wanted her first name to be Eilish after watching a documentary on conjoined twins but decided to call her Billie in honor of her late grandfather. She earned the nickname “Pirate” from her brother Finneas when she was four years old.