This blogger (Jules Sherred), not a professional linguist, has done quite a good job identifying a number of new Canadianisms (by using a survey questionnaire).
http://geekmom.com/2013/12/55-canadianisms/
Most all of these will appear in the forthcoming Dictionary of Canadianisms on Historical Principles, 2nd edition, forthcoming from the University of British Columbia Canadian English Lab:
http://faculty.arts.ubc.ca/sdollinger/dchp2.htm