Looking for William H Howell from Georgia

Hi
I am liiking for william H Howell Born abt 1844Georgia Married Emma Payne From GeorgiaThey have shown up in the cencus for Cartersville Bartow county Georgia in 1870 In 1880 They were in Gwinnett County Georgia. They Had 10 Children. Cordelia Born 1873 . Savannah Born 1875 to 1945 My Great Great grandmother Belle, Larmon, Jones. Emma Appears in Gwinnett county in 1900 as Widow Belle was the last child born in 1888. I have hit a Brick wall. Any help?