Ancestry.ca has added the Canadian Voters Lists from 1935-1980 to their database. This is an additional 88 million records to make searching for your ancestors easier.
John Reid of the blog Anglo-Celtic Connections has a very good write up on this new database. His blog can be accessed at: http://anglo-celtic-connections.blogspot.ca/2012/10/canada-voters-lists-1935-to-1980-new-on.html
To access the voters list database, click on this link: