Looking for greatgrandfather, John Huckaby from Tn.

Looking for information on greatgrandfather John Huckaby, Huckelby, Huckabee, Huckleby, etc. Last know information, he was living in Lexington, Henderson Co., Tennessee around 1880. He m. Mary Jane Cox (daughter of David and Nancy Cox who were born in Virginia). The only known child was Anderson Howard Huckaby (& Huckelby) born 1877 in either Decator or Henderson County Tennessee. Early 1880's mom and son moved to Arkansas with relatives Robert White and others. Mary Jane Cox was born 15 Nov. 1847, Lexington, Tn. Anyone with any information please contact me. Thank you.