Below are links to websites of interest:

The General Society of Mayflower Descendants
http://www.themayflowersociety.com

Caleb Johnson's Mayflower History
www.mayflowerhistory.com 

http://www.mayflowerhistory.com/Passengers/StephenHopkins.php

For further details on Stephen Hopkins' life go to:
http://www.pilgrimhall.org/hopkinsstephenrecords.htm

http://www.flagonandtrencher.org

Plimoth Plantation