Cardwell notes that they were in Paris, KY on December 31. (pg 31 Cardwell) as does Touring with Cable and Huck
From the Hamilton Telegraph December 18, 1884
"--Mark Twain, the humorist, and Geo. W. Cable, the eminent novelist, will appear in Hamilton on New Year's eve, in readings, under the management of J.B. Pond, of Boston"
Courtesy Valerie Eliot, Lane Public Library
Railroads: Cincinnati, Hamilton and Dayton, Cincinnati, Eaton and Richmond