I don't understand why the families you mention, with exception of WORKMAN, were not in 1880 Greenbrier Co Census. In Wyoming Co there is a James WORKMAN with a son Oliver age 17, in 1880 I have that a duaghter of R.S. & Dulcena (Roberts) WORKMAN had a daugher Rebecca WORKMAN md Oliver WORKMAN. Rebecca was b ca 1870. There are no RIFFE or STINSON families in 1880 Greenbrier census are there? There are several THOMPSON families though. Rodney V