http://freepages.genealogy.rootsweb.ancestry.com/~hanlon/mcdonald/mcd-james1776.htm
Mary Ann Melvin was the daughter of Joseph Melvin (born about 1740) and his wife Hanna. Of Joseph and Hanna Melvin's seven children, five were born in Jefferson County, Virginia (James III b. c. 1775; Jane b. c. 1782; Wiliam b. 1784; Mary Ann b. 1784; Joseph b. 9 feb 1788) and the youngest two in Knob Creek, Washington County, Tennessee (Rhuba b. c. 1790; John b. 1799). Mary Ann's father, Joseph Melvin, died in Washington County, Tennessee in 1817.