When Roy Epharham McDaniel was born on 19 April 1893, in Pond Creek Township, Greene, Missouri, United States, his father, William Henderson McDaniel, was 38 and his mother, Mary Jane Burk, was 36. He married Mary Olive Blades in 1911, in Greene, Missouri, United States. They were the parents of at least 1 son and 1 daughter. He lived in Center Township, Greene, Missouri, United States in 1920. He died in 1979, in Caldwell, Missouri, United States, at the age of 86.