Will and Ann

I am a retired veteran of the Air Force, an author and an amateur genealogist. the primary names I am researching are the Miller/Holloway families from Rutherford County, Tennessee. George Washington Miller and Dora Holloway were married September 29, 1880 in the afore mentioned county. I have a copy of their marriage certificate. The problem I have is finding info on the Holloway family prior to 1880. need help