At least part of his tale is correct.

1870 United States Federal Census about Pleasant Mills
Name: Pleasant Mills
Age in 1870: 21
Birth Year: abt 1849
Birthplace: Mississippi
Home in 1870: Township 7, Wayne, Mississippi
Race: White
Gender: Male
Post Office: Waynesboro

Household Members:
Name Age
Pleasant Mills 21 Farmer
Margarett E Mills 17 Keeping House