Statistics for occurrence #1 of “Tatnall” in chapter 12 of Admiral David D. Porter, The Naval History of the Civil War.:

... pass the fleet and make towards Washington, although the Confederate vessel could hardly have passed the Kettle Bottom shoals in the channel of the Potomac. The officers of the Merrimac, knowing Tatnall 's reputation, expected a desperate engagement at the outset, but he showed more than ordinary judgment when he found how matters stood. He had requested permission from the Confederate government t...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Josiah Tatnall 244 44 20 2 0 user votes
Tatnall 150 0 90 0 0 user votes
John R. F. Tatnall 3 0 3 0 0 user votes
J. Tatnall 2 0 0 0 0 user votes
Commodore Tatnall 1 0 1 0 0 user votes
J. R. F. Tatnall 1 0 1 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.