His death certificate records Dewey Pennington, age 32 years 11 months 26 days, born 15 Sep 1900 in Elliott Co., died 11 Sep 1933 in Ordinary, Laurel precinct, Elliott Co., Ky, married, husband of Maley Jenkins Pennington, cause of death brain tumor, father Rufus Pennington, mother’s maiden name Mollie Johnson, both born in Elliott Co., informant Mrs. Rufus Pennington, Ordinary, Ky, burial in Eli Pennington Cem.

I cannot find Mallie or her children in the 1920 census.

1930 census of Elliott Co., Ky, Laurel precinct, enumerated 9 April, lists on p. 4A as family #59:
Pennington, Dewey, 29, age at first marriage 23; Ivory, dau, 5; Muriel, dau, 4 9/12; Mallie, wife, 30, age at first marriage 24; Jenkins, Fay, stepdau, 10; Myrtle, 18, stepdau; Ray, 13, stepson. All born Ky Ky Ky.