John Hopper - John Hopper 1775 to 1823

I am looking for connection between John Hopper 1818 death unknown in Caldwell County KY specifically if he is the son of John Hopper 1775 to 1823. I have a Boyd family Chart with a Thomas/Dearing connection to my Grandmother Flora Mae Thomas/Boyd. Her mother Mary Belle Dearing was the daughter Mildred Louise Hopper daughter of John Hopper 1818 to ? and Sarah 'Sallie' Glass of Caldwell Co. KY. This John Hopper's father is listed as John Hopper born 1780 in Va. and died in 1823 in KY his mother is listed as Elizabeth Scott 1784 to 27 Dec. 1875. My information does not agree with this and gives their children as Humphrey, James and David. Your site goes on to include George, Jr. and Hannah as this John's parents. I have not been able to track that before. Cowan's of Wheatcroft list John's parents as William Hopper and Mary Ann Fewson of Patrington Yorkshire England. Fred Feldman's ends with John 1775.
Any clarification would be appreciated.