Mary Greene Bell age about 100

My gr.gr.gr. grandmother Mary Greene was born in SC sometime in the 1780's. or maybe a little later, am not sure of date.She was married to John Bell when she was 16 years old.They went to Tennessee later. There their daughter Mary was born about 1820.Mary Greene Bell was a member of the Primitative Baptist church.Mary Green and John Bell were on the Census of 1850 in
Coweta county, Ga. and the name was spelled Bealle.After John died she moved to Carroll county, Ga. with her Daughter Mary and son in law James Boatright.She is buried in the old Jordan cemetary in Carroll county, Ga. Some researchers say she was the daughter of Peter Greene, but cant find her mother's name.I found an old obituary of Mary that was printed in an old Carroll county, Ga. newspaper and they said she was the daughter of Shadrack Rodgers and Mary but I believe that is wrong.If any one knows anything about Mary I would love to hear from you.