Assume this is the William Davenport in Claiborne mentioned in Pamunkey Chronicles. Note daughter Lucy named after his mother, and Susan Dobkins, probable sister, also lived there.
Home in 1840: Claiborne Co, TN (4 daughters)
Home in 1847: Claiborne Co, TN (with brother Isham listed in estate of BENJAMIN SEWELL)
Home in 1850: Subdivision 7, Claiborne, Tennessee
Home in 1854: Claiborne, TN (estate sale with brother Isham)
Home in 1860: Western District, Lee, Virginia (William living with daughter Mary J Garrett, Eliza and Lucy Davenport)