Possible Truman Wyman lived in West Oswego, Oswego County, NY in the 1840 Census: Roll 325, Page 126. There were many male children, and Truman was between 40-50 years of age.
Possible date of death: 22 Feb 1870, Kalamazoo, Kalamazoo County, MI
Married in 1830 to "Catherine"