When Joseph Harold Eastland was born on 25 November 1921, in Rich Hill, Bates, Missouri, United States, his father, Alfred Tennyson Eastland, was 33 and his mother, Goldie Ann Hough, was 26. He married Aileen W Blackwell on 2 September 1941, in Rich Hill, Bates, Missouri, United States. They were the parents of at least 1 son and 2 daughters. He lived in Metz, Vernon, Missouri, United States in 1930 and Metz Township, Vernon, Missouri, United States in 1940. He died on 20 December 1994, in Overland Park, Johnson, Kansas, United States, at the age of 73, and was buried in Rich Hill, Bates, Missouri, United States.