Here's info on transplanting your clematis.
Do be very careful when you divide your other one to be sure and gently tease the roots apart.
As for id, this site should be helpful.* Fill in what you know about the plant.
If that doesn't help you to id it then you might want to ask here.
Btw, I have no clue where MPLS is.* You might consider adding your state and hardiness zone to your location in your profile.* It will show as mine does.