Born July 9, 1820, in Hardin county, Kentucky, and at an early engaged in mercantile pursuits. He was married in Nelson county, Kentucky, October 25, 1842, to Miss Rebecca Forman, sister of J. L. Forman, of this city, by Rev. Smith Thomas, pastor of the Baptist Church at Coxes' Creek. In 1845, he removed with his faintly to Savannah Mo., where he resumed mercantile operations. In 1851 he removed to Council Bluffs and continued the business of merchandising under the firm of Riddle & Co. For nearly a quarter of a century Judge Riddle was a resident of this city, familiar with its interests, and a promoter of its progress. He was called to the Bench after a two year residence, taking his seat as Judge of the District Court, November 7, 1853. He retired from this position on the 7th of October, 1858. He was elected to represent Pottawattamie County in the Eighth General Assembly, 1860. Mr. Riddle was a member of the Baptist Church.