The Cole (and variants) surname project is primarily focused on Y-DNA Results with the goal being to use similar results to define lines. The Y-DNA results pages are organized by Cole lines on a best effort basis. We've looked at the Y-DNA matches of the men tested and attempted to group all those together who look to be related within a genealogical time frame. Family Finder tested Cole descendants are welcome to join the project, but there are few tools to do anything with the results. If you visit your Family Finder > Advanced Matches page, however, you can check for Family Finder matches within the project. As mtDNA has no bearing on surnames, we do nothing with those results. You'll be asked to provide information on your Cole line when you submit a Join Request. Information on your most distant known Cole ancestor is what's most important.