Karen! I dont know if this well help you any but here is a census that shows a B.F
Riall married to a lizzie
Rial with son name benj for benjamin!
My best guess would be look at the oldest childs age and it can give you a idea of the year they where married!
1870 United States Federal Census
about Ben W
Rial Name: Ben W
Rial[Ben W
Riall]
Estimated Birth Year: abt 1860
Age in 1870: 10
Birthplace:
Kentucky Home in 1870: Burkesville,
Cumberland,
Kentucky Race: White
Gender:
Male Value of real estate: View image
Post Office: Burkesville
Household Members: Name Age
B F
Rial 43
Lizzie
Rial 43
Rebecka J
Rial 17
Susan
Rial 14
Ben W
Rial 10
Mary E
Rial 3