Béatrix Méthé was born in Vermont, then moved with her parents to the Lanaudière region of Québec at nine months old. She began taking lessons for classical violin at 9, becoming a member of the Joliette Youth Orchestra. At 10, she began performing with Dentdelion, as well as Les Poules à Colin and several other groups. She has traveled extensively with her family, performing in a band made up of family members, American fiddler Laura Risk and stepdancer-caller Marie-Soleil Pilette. She has learned from and play alongside a host of musicians, among them fiddlers Pascal Gemme, Stéphanie Lépine, André Brunet, Aly Bain and Alastair Fraser. Béatrix has won a number of scholarships and competitions, including the 2010 Grand Prix Desjardins (Youth Creation) and the 2009 Young Tradition Vermont competition/showcase, both with Les Poules. She currently attends Academy Antoine-Manseau Joliette.