The father of a Dorsey C. Jones from Oklahoma is Benjamin Thomas Jones (1867-1936) born in Kentucky. Benjamin Thomas married Dora Elzada Biellier and lived at Pawnee, Oklahoma Territory in 1900: https://familysearch.org/ark:/61903/1:1:MMG8-8TY
Benjamin Thomas moved to Missouri with his wife and 3 sons, including Dorsey C., about 1905: https://familysearch.org/ark:/61903/1:1:M886-MBS
Benjamin Thomas Jones is buried in Marshall, Webster, Missouri: https://www.findagrave.com/memorial/57618374?search=true
On the census, Benjamin Thomas Jones says his father was born in Georgia, his mother in Kentucky.
I found a Thornton B Jones born in Georgia with a son Benjamin Thomas or Thomas Benjamin. He married Frances Ophelia Freeman of Kentucky on 15 Apr 1865 at Clinton, Hickman, Kentucky: https://familysearch.org/ark:/61903/1:1:Q2D4-79ZS
He moved to Missouri about 1872 and then to Carrol County, Arkansas by 1880: https://familysearch.org/ark:/61903/1:1:MN7B-J62
Both of his parents were born in Georgia.