I haven't been on this board for a very long time so am happy to see Riley's still searching.
My ancestors are 'Gentleman' John Riley and Jennie Johnston. Their son, James 'Cottonhead Jim' Riley and Elli Ann Johnston. Their daughter, Rachel Estelle Riley, was third wife of my great grandfather Wilie Horton Amis. Their son, Squire Amis, was my grandfather. I have a lot of Riley info. and also the book written by Leon Morris, Morris Fork Kentucky. Leon has since passed away and I don't know if there are any more books available but it's a wonderful research tool.