Marvin enlisted in the US Army in California on July 7, 1941 as a private. At that time he was 6 foot 1 inch tall and weighed 152 pouinds. His civilian occupation was listed as medical equipment maintenance technician. He was single at that time, without dependents.
Marvin married Dorothy Ernst of St. Louis in St. Louis on January 13, 1943.
Marvin was killed in World War II, in the Battle of the Bulge. He was a 1st Lieutenant, Service No. 01307926. His unit was 2nd Infantry Regiment, 5th Division (3rd Army).
His stepfather was Frank Couger (pronounced cow-jer), who lived in El Centro, CA in the 1940s. Prior to that, his mother, Nannie Mae, was married to a James Rice, also in El Centro.