Mary has acted as counsel for Indigenous peoples in Aboriginal and treaty rights litigation for more than 25 years. Throughout her career, she has combined the practical and academic development of the law as the author of the litigation handbook Aboriginal & Treaty Rights Practice (Thomson Reuters, published 2000) and of “Snow Houses Leave No Ruins”: Unique Evidence Issues in Aboriginal and Treaty Rights Cases (The Saskatchewan Law Review, 1996) and as chair and presenter at legal conferences.
Mary Locke Macaulay was selected by her peers for inclusion in the 2022 and 2023 editions of The Best Lawyers in Canada™ in the field of Aboriginal Law / Indigenous Practice.
Mary was called to the bar in Ontario in 1992, to the BC bar in 1998 and to the bar of Alberta in 2018.
LL.M., Alternative Dispute Resolution, Osgoode Hall Law School (1998)
LL.B., Criminal Law Intensive Program, Osgoode Hall Law School (1990)
Represented clients in a wide range of matters, including actions related to Aboriginal title and rights, treaty rights and fiduciary duty law.
Acted as counsel in commercial and personal injury cases.
Appeared as litigation counsel in BC, Alberta and Ontario Supreme Courts, Federal Court and before Courts of Appeal.
Member, Law Society of B.C.
Member, Law Society of Ontario
Member, Law Society of Alberta
Member, Canadian Bar Association
Member, The Advocates’ Society
Aboriginal & Treaty Rights Practice (Thomson Reuters, 2000)
“Snow Houses Leave No Ruins”: Unique Evidence Issues in Aboriginal and Treaty Rights Cases (The Saskatchewan Law Review, 1996)
“Conflicting Claims in s. 35 Litigation: Complex and Complicated Multilateral Problems”, prepared for Pacific Business & Law Institute’s Developments in Aboriginal and Indigenous Law 2020 Conference, October 27-28, 2020
“Good Governance and Community Assets” prepared for the Affinity Institute’s Building First Nation Economies: Tax, Governance & Business Structures Conference December 2, 2015
“Aboriginal Litigation Practice Update” prepared for Pacific Business & Law Institute’s Aboriginal Law 2014: Current Issues Conference, May 28 -29, 2014
“Shareholder and Member Rights in Aboriginal Corporations and Societies” prepared for the Federated Press’ Second Mini LLB for Aboriginal Leadership, March 3-4, 2014
“Interlocutory Injunctions and the Duty to Consult” prepared for Pacific Business & Law Institute’s Consultation & Accommodation: Exploring Current Duties Conference, September 11, 2012
“Aboriginal Litigation Practice Update: Recent Caselaw on Injunctions, Parties and Conflict Issues” prepared for the Canadian Bar Association Alberta, Aboriginal Law Section (South) meeting, June 15, 2012
Served on the Boards of several artistic institutions, including Emily Carr University of Art & Design, the Western Front (a Vancouver-based artist-run centre for contemporary art and new music), and the Contemporary Art Gallery.
An honorary council member of the Canadian Society for the Decorative Arts.