On the 1860 Census of Desoto County, Mississippi I was able to locate the following: Oliver P. Clanton, Benjamin F. Clanton, Robert E. Clanton, and James Clanton. I was not able to locate John W. Clanton. Relationships are not given on the 1860 census.
1860 Census of Desoto County, Mississippi, Post Office: Senatobia
Page 49, Dwelling Number 364
M. L. Griffis age 42 Farmer born Tennessee
Martha Griffis age 32 born Tennessee
Walter Griffis age 1 born Miss
O. P. Clanton age 22 born Tennessee
Page 49, Dwelling Number 368
P H Clanton age 39 Farmer born Virginia
Julia A Clanton age 33 born Tennessee
B F Clanton age 25 Farmer born Tennessee
R E Clanton age 21 Farmer born Tennessee
Jas A Reed age 15 born Miss
Robt Alford age 10 born Miss
M W Alford age 8 born Miss
Emma Clanton age 6 born Miss
Henry Clanton age 4 born Miss
Page 49 and Page 50, Dwelling Number 371
Wm Rankin age 61 Farmer born North Carolina
Isabella Rankin age 59 born North Carolina
Laura A Rankin age 18 born Tennessee
Isabella Young age 13 born Tennessee
E A Steward age 5 born Florida
Isabella P Steward age 1 born Florida
M C Steward age 1 born Florida
James Clanton age 27 Overseer born Tennessee