Statistics for occurrence #1 of “Slidell” in chapter 7 of Admiral David D. Porter, The Naval History of the Civil War.:

...n clothed with full powers to contract with some foreign government matters of high importance, and is carefully instructed by a well established government in all he has to do. Messrs. Mason and Slidell were not ambassadors; they were simply commissioners from an unrecognized country of insurgents, and it was uncertain whether they would be received or not by France or by England It was necessar...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
John Slidell 1,060 62 22 0 0 user votes
Slidell 940 0 176 0 0 user votes
J. Slidell 17 0 1 0 0 user votes
Alesers Slidell 12 0 0 0 0 user votes
Rosine Slidell 11 0 1 0 0 user votes
Hon John Slidell 6 0 0 0 0 user votes
Alexander Slidell 5 0 1 0 0 user votes
Nr Slidell 4 0 0 0 0 user votes
L. Slidell 2 0 0 0 0 user votes
Matilda Slidell 2 0 0 0 0 user votes
Mathilde Slidell 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.