My mother was an Abernathy. We have traced her family back to Seth Abernathy my maternal GGGG-grandfather born in 1779 in Lincoln county ,N.C. His wife was Mary Poly Cline.I can't get any further back than Seth. Need help!! Interestingly to you Abernathy/Abernethy buffs (note spelling difference), my great-grandmother was Rebecca Abernethy. Her husband was E.Marion Abernathy. Rebecca Abernethy's father was Henry Abernethy (married to Mary Clanton (probably in Lincoln County, N.C.