From a family researched compilation - "The Descendats of James Wilson McCoy and Nancy Campbell McCoy" compiled by Lelia Mccoy Haussler and Jean BARBER Foster-4/1998.
George Wilson MCCOY married Amy Lucetta KNORR in 1898. Location of marriange not specified. Amy born in Nebraska December 1876. George's parents were James Wilson MCCOY and Nancy CAMPBELL. Nancy was possibly from WV or southwestern PA.You may want to look for our Knorr line in Cabel or Monongahela Cos, WV. Perhaps you may have better luck than I have been having.Will keep you posted.