Flourished: 1835-1844 Cass County, Illinois
Alternate name: Wilburn
Wilbourn was a prominent resident of Beardstown, where he and his brother John built and owned a large flour mill as well as a mercantile store. In addition to being a merchant, Thomas was President of the Board of Trustees of Beardstown in 1838, and he served as the town's Postmaster as well, from 1840 until at least 1844.
William Henry Perrin, ed., History of Cass County, Illinois (Chicago: O. L. Baskin, 1882), 49, 109, 114-15, 239; U.S. Census Office, Sixth Census of the United States (1840), Cass County, IL, 36; RG 28, Records of the Post Office Department, Entry 69: Records of the Bureau of the First Assistant Postmaster General, Records of the Division of Postmasters, Records of Appointment of Postmasters, 1832-1930, 12B:478, 18:20, National Archives Building, Washington, DC.