Found this Byers will with a dau named Coiner- Augusta C Va.
P 340 9th January, 1811. David Byers' will--To son, John; wife, Rosannah; daughter, Mary Coiner; to daughter, Betsey Daugherty. Executors wife and son John. Teste: Wm. Sproul, David and Hugh Fulton. Proved, 24th March, 1814 Source: Chalkey's Chronicles of Scotch and Irish in Augusta Co
Saw some ancestry trees naming Rosannah also as a Koiner/Coiner..any Koiner's out there with some info to verify this speculation?