Birth Name: Billie Eilish Pirate Baird O’Connell
Place of Birth: Los Angeles, California, U.S.
Date of Birth: December 18, 2001
Ethnicity: English, Irish, Scots-Irish/Northern Irish, 1/32 Belgian [Flemish]
Billie Eilish is an American singer, songwriter, and model.
Billie is the daughter of Maggie May Baird and Patrick Mead O’Connell. Her parents both work in the entertainment industry, her mother as an actress, musician, and songwriter. Her older brother is actor and musician Finneas O’Connell.
The name Eilish is the Irish Gaelic variant of the name Elizabeth.
Billie’s maternal grandfather was William Norton “Bill” Baird (the son of Collier Whittemore Baird and Dorothy Grace Norton). William was born in New Jersey. Collier was the son of William Torrey Baird and Anne Meredith Grant. Dorothy was the daughter of Lawrence Adelbert Norton and Grace Helena Bulckens, who was of half Belgian (Flemish) and half Irish descent.
Sources: Billie’s maternal grandfather, William Norton Baird, on the 1930 U.S. Census – https://www.familysearch.org
Baptismal record of Billie’s maternal great-grandmother, Dorothy Grace Norton – https://www.familysearch.org