His death certificate records Reuben Berry Ellington, age 80 years 4 months 22 days, born 29 Feb 1846 in Ky, died 22 July 1926 in Lots Creek No. 11, Perry Co., Kentucky, widowed, farmer, father Isaac Ellington, mother’s maiden name Matilda Cassidy, both born in Ky, cause of death chronic valvular heart disease, informant Wiley Easterling, Henier, Ky, burial in Pomp, Ky.

1846 was not a leap year. He was recorded as age 4 in the 1850 census, though, so the year is probably correct.

1880 census of Morgan Co., Ky, West Liberty precinct, enumerated 8 June, lists on p. 16 as family #38:
Ellington, Ruben, 35; Marry, 28, wife; Ann, 11, dau; William, 10, son; Josephine, 4, dau; Isac, 10/12, b. Aug, son. All born Ky Ky Ky.