About Marie

Marie de Guise joined the firm as a law student in 2025, completed her bar apprenticeship there, and was called to the Quebec bar the same year after earning her law degree from the Université de Montréal. Her practice covers family law, youth law, and civil litigation, and she has contributed to annotations of the Quebec Civil Code in family and personal law. She won the Dickson Medal for best oral advocacy and the Peter Cory Prize for best appellate brief at the national Gale Cup competition finals.

Education & credentials

Law school
Université de Montréal

Listing compiled from public sources in July 2026. Confirm Marie de Guise’s licence and standing in the Barreau du Québec directory ↗