His son's 1900 census record lists parents as born in South Carolina:
''1900 US Federal Census''
Name: William C Miller
Age: 57
Birth Date: Dec 1843
Birthplace: Illinois
Home in 1900: Thebes, Alexander, Illinois
Race: White
Gender: Male
Relation to Head of House: Head
Marital Status: Married
Spouse's Name: Amanda E Miller
Marriage Year: 1889
Years Married: 11
Father's Birthplace: South Carolina
Mother's Birthplace: South Carolina
Occupation: View on Image
Neighbors: View others on page
Household Members:
Name Age
William C Miller 57
Amanda E Miller 30
Della M Miller 10
Aubrea Miller 3
Alice Miller 8/12
Source Citation
Year: 1900; Census Place: Thebes, Alexander, Illinois; Roll: 237; Page: 2A; Enumeration District: 0013; FHL microfilm: 1240237