Sorry, I'm 7 years late in seeing your post but our Mary Ryals seem to be the same, as I have her married to John C. Ennis. Their daughter, Millie, married Benjamin Franklin Grimes who was my husband's great grandfather

Hope this is the one you were looking for. John Dennis Avera,1857-1936 (m)Leila Lassater 1864-1875 children: Sophie 1864-1875 m Chester Collins. David1886-1963 m Maggie, Minnie Lee 1890-1984 m John Maddox. Leila died and JohnD m Lillian Adina Waller 1873-1930, their children: Epsy Jane 1894-1976 m 1,Rogers 2,King, Victoria Martin 1897-? m Jackson, James Daniel 1899-? m Minnie Ola ?, Thomas Binnion 1901-1969 m Ruth Webb1904-1996, my parents.