I think #1 is a Bindweed, but NOT a desirable Morning Glory, they are invasive and grow rapidly, I always get rid of these right away when I find them. They can root very deep.
#2 is a wild violet, usually purple or white flowers, can be invasive but they are pretty and easy to pull out if you don't want them, they spread mostly by seed. Tolerate dry shade well, pretty adaptable to anywhere usually. Bloom only in the spring though, not throughout the summer.
#6 looks like poke weed? Not desirable if that is it.
and the last is either raspberry or blackberry vine. A wild kind probably, just your opinion on if you want it or not. Birds like them, they have thorns, white flower early spring but not remarkable, pretty fall colors on the leaves in autumn.
I do not think anything you posted will cause a rash that I am aware. You should google Poison Ivy, Poison Oak, Sumac to see what those look like in case you do run across them.
https://www.google.com/search?...
