When Hoyt L Allan was born on 15 April 1910, in Newton, Missouri, United States, his father, John Adam Allan, was 36 and his mother, Fannie Ida Garber, was 28. He married Clara May Menapace on 4 July 1937, in Joplin, Jasper, Missouri, United States. He lived in Marion Township, Newton, Missouri, United States for about 10 years. He died in September 1986, in Joplin, Jasper, Missouri, United States, at the age of 76.