Yes, this would be so helpful. I was dealing with this just today and it was a lot of manual entry.

Just to make it easier to select who we want without searching and going back to the list. Something like checkmarks to mark each person you want to add either within the "parent relationship" or outside of it. I think this is perfect for killing the clicks Molly Johnson Brad Turner

Not only similar last name, but also those in the relationships within a contact