Beginning in 1853, a law required that deaths be reported in the county of residence. However, it seems that most were not. In 1917, the West Virginia Department of Health Vital Registration began collecting the county reports of deaths and issued death certificates.
The West Virginia State Archives has the DEATH records ONLINE:
The following files will remain on this site as a quick reference.
Marshall County Deaths, 1853-1903 - (Nancy Callahan)
St. Joseph's Settlement Deaths & Burials - (Isabelle Hohmann Parikh)
Selected Marshall County Deaths - (Sylvia Sligar)
Greene County, PA Dead, Buried in Marshall County - (Karen Hucko)