James Rumsey (1743-1792), a native of Maryland and later a resident of Virginia, was an inventor who is sometimes credited as the originator of the steamboat or navigation by steam. His son was Dr. Edward Rumsey, who lived in Bowling Green, Kentucky. Dr. Rumsey's sons, James D. Rumsey, and Edward Rumsey (1796-1868) lived in Hopkinsville and Greenville, Kentucky. The latter was an U.S. Congressman from 1837 to 1839 and was a member of the Whig party.
From the description of Rumsey family papers, 1804-1843. (Kentucky Historical Society). WorldCat record id: 41236424