1880 Greenup, Cumberland Co, IL. The census listed John W, 34, occupation doctor, Mattie J, 30, with children, Willard L, 8; Charles O, 5; Lulu M, 3; Lenna P, 8 mo; and Mary E Hendirck, 29, servant.
His biography states: "At eighteen years of age he began teaching school, and about the same time began reading medicine. During the winter of 1868-69 he attended Eclective medical Institute at Cincinnati, and in the spring of 1869 began the practice of his profession at Greenup, Cumberland County, Illinois. he continued in active and successful practice for twelve years.....Dr. Goodwin is a stanch Republican. In 1877 he was elected Treasurer of Cumberland County, was re-elected in 1879, and elected again in 1881 to serve four years......Dr. Goodwin is one of the msot energetic men of Cumberland County, and one of its most valued citizens. He is a member of the I.O.O.F., and now reisdes in Toledo."