Fletchers of Virginia

looking for information on Dudley L. Fletcher who was married to Mattie( Martha J. Fletcher) Children were Cornie L., William R., Emmett Vaetine, and Mary C. Fletcher. Listed as being in Richmond in 1900 census but later were in Scott or lee county. Dudley was also called Doctor, not sure if that was a nick name. This would be my great-grandfather.Cornie L. was grandmother