When Simon Walter Reust was born on 17 October 1883, in Panola, Woodford, Illinois, United States, his father, Samuel Reust, was 42 and his mother, Mary Ann Grove, was 40. He married Flossie Bell Vaughn on 22 March 1920, in Holyoke, Phillips, Colorado, United States. They were the parents of at least 4 sons and 2 daughters. He lived in Lincoln Township, Marshall, Kansas, United States in 1930. He died on 22 April 1945, in Salem, Marion, Oregon, United States, at the age of 61, and was buried in Salem, Marion, Oregon, United States.