Kathleen O'Neil

78 Olive Avenue
Toronto ON  M6G 1V1
Tel: (416) 537-4732
Fax: (416) 537-9319
Email: kgoneil@look.ca
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Primary Jurisdiction


Arbitration Practice

In practice since 1986; bilingual; also active in federal jurisdiction.


B.A., 1972, University of Toronto; LL.B., 1977, Osgoode Hall Law School.


Associate, Symes, Kiteley and McIntyre, labour and employment law, 1984-86; Collective Bargaining Staff, Federation of Women Teachers' Association of Ontario, 1982-84; Arbitration Officer, Ontario Nurses' Association, 1979-82.

Standard Fees for Cancellation

If notification received at least one month prior to hearing, 0-$400; if notification received 3 weeks to 1 month prior to hearing, $900; if notification received within 1 week of hearing, $2,000; $500 on cancellation of expedited arbitration (section 49, OLRA) where date is scheduled less than three weeks prior to hearing.

Lists and Panels

Canada Post and CUPW, Rural and Suburban Mail Carriers; Ontario College of Applied Arts and Technology and OPSEU, Academic and support staff bargaining units; Tafelmusik and Toronto Musicians' Association; Ontario Provincial Schools Authority and Ontario Secondary School Teachers’ Federation; CBC and Canadian Media Guild; Ontario Crown Employees Grievance Settlement Board, roster of arbitrators; Atomic Energy of Canada and Society of Professional Engineers & Associates; le Conseil des associations d’employeurs (CAE), l’Association des enseignantes et des enseignants franco-ontarien (AEFO) - Procédure centrale de règlement de différends

Related Adjudication Experience

Chair, Public Service Grievance Board, 2014-2021; Vice-Chair, Public Service Grievance Board, 2004-2014; Member, Ontario Hepatitis C Assistance Plan Review Committee, 1999-2019; Independent Third-Party Reviewer for the Canada Customs and Revenue Agency (CCRA) Staffing Program, 2000-2008; Mediator-Arbitrator for disputes concerning essential services agreements between Ontario Management Board of Cabinet and OPSEU, 1991, 2001-02; Vice-Chair, Ontario Labour Relations Board, 1988-97; Ontario Insurance Commission, pre-hearing arbitrator, 1997-98; Vice-Chair, Ontario Workers' Compensation Appeals Tribunal, 1986-88; Member, Ontario Grievance Settlement Board, 1981-86.


Ontario Bar Association; Ontario Labour-Management Arbitrators’ Association; L’Association des juristes d’expression française de l’Ontario; Law Society of Upper Canada.

Arbitration Awards on CanLII

For Arbitrator O'Neil's awards on CanLII, click here. Note: CanLII, the Canadian Legal Information Institute, offers free access to the full text of recent awards by this arbitrator.

Arbitrators are invited to send awards to decisions@lancasterhouse.com. In an effort to facilitate access to justice, Lancaster House forwards all awards it receives from arbitrators to CanLII.