C. T. Dumont
The C. T. Dumont was built in Cincinnati in 1864. She was put in the Cincinnati-Madison mail service in 1865, and was involved in a crash near Big Bone Island in December of 1865 with the Tom Rees. Read about it here.
At the wharf boat in Warsaw, at 5 pm on December 14, 1867, a tornado struck the C. T. Dumont, driving it across the river to Florence, Indiana, and destroying her smoke stacks, texas, and pilot house. A contemporary newspaper story is here.
Rebuilt, she ran the Cincinnati-Louisville trade after the collision of the America and the United States above Warsaw. in 1868.
One of the C. T. Dumont's claims to fame is that she transported Gen. U. S. Grant, his wife, their four children, and Gen. Kirby Smith to Cincinnati.
The information above, as well as everything else you ever wanted to know about steam boats on American Rivers, is in Frederick Way Jr.'s superb, encyclopedic Way's Packet Directory, 1848-1994, from the Ohio University Press.
Additional info from the Cincinnati Enquirer of August 21, 1867.