1880 census of Putnam Co., Indiana, Jefferson township, lists as family #134/136:
Smith, Elihu, 53, farmer, b. Ind N.C. Ky; Mary, 52, wife, b. Ky Ky Ky; Margaret, dau, 27, single, b. Ind Ind Ky; Jacob, father, 76, retired, b. N.C. N.C. N.C.; Thornburgh, John, 17, works on farm, b. Ind (Ind) (Ind); Cummings, Elretty, 28, dau, married, b. Ind Ind Ky; Rosa, 2, granddau, b. Ind Ind Ind; Golden, 3/12, b. Feb, grandson, b. Ind Ind Ind.

(Putnam Co., Indiana marriage book 6, p. 244, records the marriage on 14 Oct 1878 of Oliver S. Cummings and Elretta Smith.)