William's death record states that he was a retired coal miner. His parents are listed as Creed Robert Underwood and Fannie Stump.
Marriage record to Mary E Davis. "West Virginia Marriages, 1853–1970." Index. FamilySearch, Salt Lake City, Utah, 2008, 2009. Digital images of originals housed in County Courthouses in various counties throughout West Virginia.
Year: 1900; Census Place: Plymouth, Mercer, West Virginia; Roll: 1766; Page: 2B; Enumeration District: 0084; FHL microfilm: 1241766
Year: 1910; Census Place: Plymouth, Mercer, West Virginia; Roll: T624_1689; Page: 15B; Enumeration District: 0134; FHL microfilm: 1375702
Year: 1920; Census Place: Matoaka, Mercer, West Virginia; Roll: T625_1963; Page: 2A; Enumeration District: 98; Image: 294
"West Virginia Deaths, 1853–1970." Index. FamilySearch, Salt Lake City, Utah. From originals housed in county courthouses throughout West Virginia.
It may be possible to confirm family relationships with William by comparing test results with other carriers of his ancestors' Y-chromosome or mitochondrial DNA.
However, there are no known yDNA test-takers in his direct paternal line.
Mitochondrial DNA test-takers in the direct maternal line: