NOTE: I have no connection, no further information and am not seeking additional information.
Kentucky Genealogy and Biography, Volume 8B – Battle – Perrin – Kniffin, 1886
GREENVILLE R. DAVIDSON, county clerk of Floyd County, was born in said county, December 8, 1842. His father, Samuel P. Davidson, was born in Tazewell County, Va., and after coming to Kentucky became sheriff of Floyd County under the old Constitution, and also a Colonel in the State militia. The mother of our subject, Judith Davidson, was a native of Floyd County, Ky., and a daughter of Alexander Lackey, a General in the State militia, and both Representative and Senator under the old Constitution. He was a farmer and a Baptist preacher, and died in 1863, at the age of ninety-two years. G. R. Davidson was reared on the home farm, was educated at Mount Sterling Academy, and in 1862 enlisted in the Fifth Kentucky Infantry, under John S. Williams, but afterward became Second Lieutenant of Company A, Tenth Kentucky Mounted Rifles. He served all through the war, and on his return was appointed deputy sheriff of the county, under his brother, who was sheriff. He was elected Colonel of the State militia in 1866, and in August, 1878, was elected county clerk, was re-elected in 1882 and in 1886 without opposition. In November, 1867, he married Miss Laura A. Cooley, daughter of Judge David Cooley, deceased. Six children have blessed this union, viz: Joseph M., Mary, Judith, Eliza, Nellie and Victoria.