When Osmon Baker Gordon Jr was born on 16 December 1885, in Quincy, Adams, Illinois, United States, his father, Osmon Baker Gordon, was 40 and his mother, Harriet E Adams, was 32. He married Gertrude D Duncan in 1907, in Adams, Illinois, United States. They were the parents of at least 2 sons and 1 daughter. He lived in Adams, Illinois, United States in 1900. He died on 9 January 1974, in Quincy, Adams, Illinois, United States, at the age of 88, and was buried in Woodland Cemetery, Quincy Township, Adams, Illinois, United States.