When Arthur Lloyd Cupp was born on 20 November 1898, in Newton, Missouri, United States, his father, William Luther Cupp, was 47 and his mother, Margaret Urettie Voiles, was 42. He married Anna Ruby Buck on 5 April 1919, in Carthage, Jasper, Missouri, United States. He lived in Jackson Township, Jasper, Missouri, United States for about 30 years and Jasper, Jasper, Missouri, United States in 1940. He died on 10 December 1969, in Webb City, Jasper, Missouri, United States, at the age of 71, and was buried in Fidelity Cemetery, Jackson Township, Jasper, Missouri, United States.