https://en.wikipedia.org/wiki/Billie_Eilish
https://www.famousbirthdays.com/people/billie-eilish.html
O'Connell was born in Los Angeles, California, on December 18, 2001.[8] She is the daughter of Maggie Baird and Patrick O'Connell, both of whom are in the entertainment industry.[9][10][11] Eilish is of Irish and Scottish descent.[12] She was raised in Los Angeles' Highland Park.[8][13][14] She was homeschooled her whole life, and joined the Los Angeles Children's Chorus at age eight.[15] Eilish said she has been singing since childhood and began writing songs at age 11, taking after her elder brother Finneas O'Connell, who was already writing, performing and producing his own songs with his band.[15]
https://www.famousbirthdays.com/people/billie-eilish.html
O'Connell was born in Los Angeles, California, on December 18, 2001.[8] She is the daughter of Maggie Baird and Patrick O'Connell, both of whom are in the entertainment industry.[9][10][11] Eilish is of Irish and Scottish descent.[12] She was raised in Los Angeles' Highland Park.[8][13][14] She was homeschooled her whole life, and joined the Los Angeles Children's Chorus at age eight.[15] Eilish said she has been singing since childhood and began writing songs at age 11, taking after her elder brother Finneas O'Connell, who was already writing, performing and producing his own songs with his band.[15]