1900 Camden, Ray, MO
Annie L. Odell, head, b. MO, Dec 1856, widow, had given birth to six children who were all alive in 1900
Mary E., b. MO Dec 1881
John J., b. MO Aug 1887
Benjamin Tarwaters, cousin, b. Mo May 1883, farm laborer
I didn't find anything on William in Ancestry or FamilySearch.
I'd contact the Ray County Genealogical Association, www.rootsweb.ancestry.com/~morcga/
since the rest of his family stayed in Ray County. He might be in the tax or deed records. Successful Searching!