Thought you might like to read some interesting tidbits about your Cooper family. This is a link to a page that shows Sextus Cooper's father's history.
http://www.ourroots.ca/e/page.aspx?id=716650 And this is a link to the main history book site, do a Sextus Cooper search and 5 books show and when you open each one, click on the page numbers that show up.
http://www.ourroots.ca/e/ Butch (board volunteer)