The Kentucky birth index lists Leonard Thornesberry, born 30 Aug 1915 in Breathitt Co. (a misindexing of Rowan Co.11), mother’s maiden name Ida Lykins.

The SSDI lists Leonard Thornsberry, born 30 Oct 1915, died Oct 1976, last residence Niles, Trumbull Co., Ohio, SSN issued in Kentucky before 1951.

The Ohio deaths database lists Leonard Thornsberry, age 61, married, died 8 Oct 1976 at home in Niles, Trumbull Co., Ohio.

The SSDI lists Hazel R. Thornsberry, born 8 Nov 1917, died 21 Jan 1997, last residence Warren, Trumbull Co., Ohio, SSN issued in Ohio before 1951. (The middle initial R probably stands for her maiden name of Riddle.)

The Ohio deaths database lists Hazel Thornsberry, age 79, born 8 Nov 1917 in West Virginia, died 21 Jan 1997 at long term care facilities in Trumbull Co., Ohio, widowed, father’s surname Riddle, mother’s maiden name Mauk, occupation maid in hospital.

1940 census of Rowan Co., Ky, Clearfield, enumerated April 30, lists on p. 12A as family #181, on Craney Creek:
Thornsberry, Leonard, 24, farmer; Hazel, wife, 22; Nina, dau, 2. All born in Kentucky, living in rural Rowan Co. in 1935 (not same house).