Dates of birth and death are from his gravestone. I cannot find him in the Kentucky or Ohio death records.

Her death certificate records Elizabeth Back, age 85 years 10 months 25 days, born 4 May 1842 in Ky, died 29 Mar 1928 in Miamisburg, Montgomery Co., Ohio, widow of Henry Back, father Reuben Fletcher, mother’s maiden name Patsay Puckett, both born in Ky, cause of death acute dilatation of heart, contributory cause aortic insufficiency, informant Sam A. Back, Miamisburg, Ohio, burial in Woodside Cemetery, Middletown, O.

1880 census of Menifee Co., Kentucky, Ridge precinct, enumerated 15 June, lists on p. 41 as family #340/359:
Back, Vincil, 37, laborer; Elizabeth E., 38, wife; Rosa B., 11, dau; Samuel A., 10, son; Martha E., 8, dau; Sarrah L., 5, dau; John N., 2, son. All born Ky Ky Ky.