She is the mother of musicians Finneas and Maggie May Baird (born March 29, 1959) is an American actress, voice artist and screenwriter. Billie Eilish Parents and Net Worth 2019, Biography, Early Life, Education, Career and Achievement. The “Bad Guy” singer won a huge number of Grammy Awards, and also managed to sell out a world tour. Picture: Astrid Stawiarz/Getty Images, Glamour via YouTube Finneas has co-writing credits on a lot of Billie's tracks, so the siblings sang live in the studio, and discussed creating music together. If you know anything about the singer’s family, you likely know that her brother, Finneas, is also her producer and songwriting partner.For some, Billie’s parents are still more of a mystery. Billie Eilish has taken the music scene by storm over the past 18 months. Billie Eilish Parents and Net Worth – With her debut single, “Ocean Eyes” garnering over 132 million streams on Spotify alone, as of October 2018, and over 1.5 billion streams worldwide, Billie Eilish has become one of the hottest trending names in the music industry and on social media. Billie Eilish first came on my radar when my daughter told me she wanted to dye her hair blue. Billie was born in December 2001 to parents Maggie Baird, an American actress, and father Patrick O’Connell, also an American actor. Billie Eilish is an American songwriter and singer who is currently rising in the charts with her unique and thrilling music. Who are Billie Eilish’s parents? In a new NPR interview, Eilish and Finneas admit that their parents weren’t blown away by the song after hearing it for the first time. Billie Eilish visits the SiriusXM studios on September 30, 2019.