His death certificate records J. W. Cox, age 77 years 3 months 21 days, born 7 Oct 1864 in Morgan Co., Ky, died 24 Jan 942 in West Liberty, Morgan Co., Ky, occupation farmer, widowed, late wife Mary Jane McClain, father Thomas Cox, born in Scott Co., Va, mother’s maiden name Rebeca Easterling, born in Morgan Co., Ky, cause of death lobar pneumonia, informant Nettie Hughs, Mt. Sterling, Ky.

Morgan Co. Ky birth records list twins Mary & Miranda McClain born 15 Aug 1876, father Joshua McClain, mother’s maiden name Hill. (The entry is on page 5 of the 1876 report, fifth line from the bottom, and is not indexed by Ancestry.)

Her death certificate records Mary Cox, age 56 years 9 months 11 days, born 15 Aug 1875 in Kentucky, died 26 May 1932 in Morgan Co., Ky, married, wife of Will Cox, father Joshua McClain, mother’s maiden name Citha Hill, both born in Ky, cause of death cancer of liver, informant Homer Elam, West Liberty, Ky.

Morgan Co. marriage records list the marriage on 28 Feb 1894 of J. W. Cox and Mary J. McClain, by B. M. Carr at Joshua McClain’s, witnesses R. F. Elam and W. C. Cox.

1930 census of Morgan Co., Ky, district 4, Lacy’s Creek precinct, enumerated 5 April, lists on p. 3A as family #48/50:
Cox, James W., 65, age at first marriage 28, farmer; Mary, wife, 54, age at first marriage 17; Charles, 22; Willie, dau, 14; Homer, son, 10. All born Ky Ky Ky.