Rosemary if Milly is Amelia i know a little of her family as my 5th grandmother was her sister. Families that left Anson/Mecklenberg Counties and migrated to Ga. prior to my own were Adams, Bishop, Harris, Medcalf, Thomas, and Brumbelow. These families are connected by marriage of themselves or their children to these surnames. I know Amelia Medcalf married an Adams in Anson County NC where she was born(per her fathers will proved in 1798). Thomas is the name some of the researchers give, but could be William Thomas Adams. These families seemed to migrate together to Ga., so find one of them and you will surely find the other surnames as well. This will not be proof, but will give you a better basis for a good search.