Mary Mackinnon

Professional Activities and Organizations

Law Society of Upper Canada
Ontario Vice President, Canadian Association of Labour Lawyers
County of Carleton Law Association

Mary Mackinnon has practiced labour and employment law for over 18 years. She acts exclusively for unions and employees working for public and private sector employers. Mary worked in Northwestern Ontario for a number of years prior to joining the firm in 2006, and maintains an active practice in the Thunder Bay area as well as in the Ottawa-Carleton region.

Mary has significant experience litigating before courts, arbitrators, labour boards, and other administrative tribunals. Her practice includes a special focus on disability-related problems, including workers’ compensation, long term disability (LTD) benefits, and accommodation in the workplace.

Mary provides solid advice and representation to individual clients in situations of wrongful dismissal, LTD benefits, workers’ compensation, occupational diseases, and Health and Safety.

Mary’s expertise is recognized by organizations who have called upon her to facilitate and present programs in labour and employment law, WSIB, employment standards, health and safety, workplace bullying, and human rights.

Mary has been active as a Board member in community organizations including family service organizations, legal clinics, and hospital foundations.

Cases Mary has worked on include:

Simpson-Bowlyn v. Commissionaires (Great Lakes), 2009 HRTO 1362
Decision No. 838/03, 2008 Ont. WSIAT 496 [carpal tunnel]
Decision 1804/05, 2005 Ont. WSIAT 2276 [SEB inappropriate as worker had not completed training required for occupation at time of assessment]
Sheet Metal Workers’ International Assn., Local 397 v. Northland Superior Supply Co. Ltd., 2004 CanLII 9137 (OLRB) [related employer application]
Ontario Public Service Employees Union v. Ontario (Ministry of Public Safety and Security), 2003 CanLII 52902 (Ont. G.S.B.) [discrimination and harassment based on gender]
Decision No. 444/01, 2001 Ont. WSIAT 1112 [aggravation of pre-existing condition]
Decision No. 350/99, 2000 Ont. WSIAT 459 [accident in employer's lunchroom]
Decision No. 724/99, 1999 CanLII 15803 (Ont. WSIAT) [chronic pain syndrome]
Decision No. 381/96, 1996 CanLII 8947 (Ont. WSIAT) [motor vehicle injury on way in to work]