Ms. Judith W. Peterson,
The U.S. Diana was built in Brownsville, Pa., 1858. 239 tons. First home port, Galveston, Texas. She was captured by U.S. forces April 27, 1862, and used as a U.S. transport. Recaptured by the Confederates March 28, 1863, and was burned on Bayou Teche to prevent capture, April 12, 1863. Her boilers were long visable on shore there.
(Source: Way's Packet Directory, 1848-1994, Compiled by Frederick Way, Jr.)
One part of her boiler is supposed to be behind the St. Mary Court House here in Franklin today. The court house is located on the Banks of Bayou Teche here in Franklin.
There were several vessels named Diana in the 19th century
(eight that I know of). Only the above was involved as a gunboat. There was also a Steamer tug named Diana. A file on this vessel is located with the national archives.
I suggest for your further knowledge on The U.S.S. Diana a book entitled A Gunboat Named Diana, by Morris Raphael.
What remains of the gunboat Diana is only a few miles west on the Bayou Teche from the Young-Sanders Center here in Franklin, La. The history of this vessel is well documented in the Official Records of the Union and Confederate Navies in the War of the Rebellion.
Hope the above information is what you are looking for.
Roland R. Stansbury