His death certificate records Perry Estill Cox, age 58, born 13 May 1898 in Kentucky, died 10 June 1956 in Poplar Bluff, Butler Co., Missouri, married, farmer, father Richard Cox, mother’s maiden name Josephine Payton, cause of death acute coronary occlusion due to arteriosclerotic heart disease, informant Mrs. Hallie Cox, burial in Cochran Cemetery, Butler Co., Mo.