Con or Coy was the son of Ephraim B. Yerion and Ionia Huff. He married about 1909 to Nellie C. (surname unknown). They were living in Chicago, Illinois, at the time of the 1900 and 1910 census. He was an insurance agent. In 1920 they were in Omaha, Douglas County, Nebraska. He was a bookkeeper. There were no children listed with them in those census records.