From “Virginia and Virginians, 1606-1888,” published by H.H. Hardesty, we find this entry for John Buchanan, who resided at Gilbert, West Virginia:

Farmer and timberman, was born April 23, 1833, in Tazewell county, Va., but for a number of years has been a citizen of Logan county, W.Va., elected by the people of this county sheriff in 1868, serving until 1872. Mr. Buchanan has been twice married; on April 13, 1856, he was united marriage with Mary Murphy, who died on Sept. 10, 1865, leaving issue: Cleophus, Amanda, and Louisa, all married. He was married secondly to Mrs. Martha W. (Tiller) Hatfield, widow of John W. Hatfield, who died Oct. 15, 1861, in his 25th year, leaving one son, Leander. Mrs. Buchanan was born Nov. 24, 1837, in Logan county, and married to Mr. Buchanan there. The result of this union has been: Lydia, born March 9, 1868, married; James G., born June 23, 1869; Mary C., born Aug. 29, 1872, and William B., born Sept. 29, 1874. James G. died Dec. 23, 1869. Mr. Buchanan’s post office address is Gilbert Creek, W.Va.

Source: Dr. R.A. Brock, Virginia and Virginians, 1606-1888 (Richmond, VA: H.H. Hardesty, Publisher, 1888), p. 821