I am also a descendent from Margaret Sleeth and Cornelius Cain. I noticed in your list of surnames you have Wallace listed. Is this a surname or given name. I have a Wallace Cain in my direct line. My line is as follows:
Daniel & Susanna Custer Cain
Cornelus & Margaret Sleeth Cain
Wallace S & Dorcas Kern Cain
John Wesley and Phoebe Ann Beall Cain
William Lovett & Lois Pickens Cain
Arthur Jackson & Lucille Cain Moore
James E. and Lois Moore Cooper