Born in Herkimer County New York, January 23, 1822. His early life was passed on the farm and his elementary education acquired in the public schools. When fifteen years of age he accompanied his parents to the Territory of Iowa, locating in Henry County in 1837. At the age of twenty he began the study of medicine, graduating from Rush Medical College in 1854, and at once entered upon practice in Henry County. In 1855 he was elected on the Democratic ticket to represent the district consisting of Clarke, Lucas, Wayne and Decatur counties in the House of the Fifth General Assembly, serving at the regular and extra sessions. In 1858 he was appointed by President Buchanan Register of the United States Land Office at Sioux City, where he served six years. In 1863 he was appointed assistant surgeon in the Seventh Iowa Cavalry, serving until the close of the war. Upon retiring from the army Dr. Yeoman made his home at Clinton where he practiced medicine, being for five years pension examiner. In 1871 he entered the Hahnemann Medical College of Chicago and equipped with a knowledge of both schools of medicine he removed to Charles City. Dr. Yeoman has been an active member of the Pioneer Lawmakers' Association, having prepared and read before that body valuable papers on early Iowa history.