William Washington Walker was born in about 1870 in Carter County, a son of William Shannon "Buckskin" Walker and Cyntha (Alexander) Walker. He was a grandson of John and Olivia "Ollie" (Williams) Walker, and Greenup and Ladocia (Sammons) Alexander.
William Washington Walker married Myrtle Jane Maddix, a daughter of Abraham and Disa (Hays) Maddix.
William and Myrtle were the parents of two daughters: Eldora Walker (who married Alonzo A. Tackett), and Ollie Walker (who married George R. Offill).
William Washington Walker died in Boyd Co., KY on 29 October, 1929.