1900 U.S. Census Population Schedule
Name: C G Parker
Age: 42
Birth Date: Dec 1857
Birthplace: Tennessee
Home in 1900: Humboldt, Gibson, Tennessee
Race: White
Gender: Male
Relation to Head of House: Head
Marital Status: Married
Spouse's Name: Mary Parker
Marriage Year: 1890
Years Married: 10
Father's Birthplace: North Carolina
Mother's Birthplace: South Carolina
Household Members: Name Age
C G Parker 42
Mary Parker 28
Grace Parker 9
David N Parker 1
Note: this appears to be a very likely candidate for Charles G. Parker, son of Turner Parker. Turner Parker was born in North Carolina and his apparent mother, Isabella (surname unknown) was born in South Carolina. Gibson County is also adjoining Carroll County (where he was likely born).