I've received several reports this week about a new "one-stop shop for Michigan historical records," called Seeking Michigan (http://www.seekingmichigan.org). Seeking Michigan is a partnership between the Library of Michigan and the Archives of Michigan. It includes digitized state records.
I have already added a number of new Whipples, as well as more information about already known Whipples from Michigan. Check out their web site!
Speaking of Michigan Whipples, here are a few notable ones: