Then you have come to the right place. Wikitree will allow you to build your tree for free. Welcome to Wikitree.
As for source documents, Family Search is a good place to start, but eventually you will need to look in the country of origin - Canada.
Family Search does the Quebec records quite well actually. I have had to look through them for my husbands family because he is also French Canadian. And they are free.
But yes, I do understand how frustrating it is to not be able to use records from Ancestry, My Heritage, find my past and many other places because they all demand a subscription.
I have been there and done that. I have depended Family Search for pretty much ALL of my records outside of the New Zealand records that i need to source. Family search has excellent Canadian and British records.
You can also use the Canadian national library for census records as well. Those are also free. Link is below.