Don't know if this is yours, but I have a William C. Kerby/Kirby b. abt. 1843, married Nelly Frances Abbott May 22, 1862 in Kanawha Co., WV. Parents of Nelly Frances were John Abbott and Elizabeth Scott. Parents of William C. Kirby were Coleman H. Kerby/Kirby and Elizabeth H. Johnston - married December 1, 1838 in Albemarle Co., VA.
Children of William C. and Nelly Frances Abbott Kirby were John H. m. Margaret Arbaugh Mary E. Nannie J. William H. James W. m. Belle Keeney Julia A. Vernie D.
NB: I haven't personally verified any of this information, but I do know that my great-grandmother, Mary Francis Kirby Sparks was sister to William C.