Statistics for occurrence #1 of “Underwriter” in chapter 62 of Admiral David D. Porter, The Naval History of the Civil War.:

...hooner Baigorry 61,568 43 4,315 65 57,272 58 do Aug. 16, 1865 Bainbridge. Schs. Comet, J. J. Crittenden, and sloop America 2,600 00 322 85 2,277 15 New York Oct. 22, 1863 Commodore Perry, Morse, Underwriter , General Putnam, Whitehead. Schooner Captain Spedden 1,387 50 289 50 1,098 00 do   Henry Lewis, New London, Water Witch. Schooner Crenshaw 51,016 82 5,192 22 45,824 60 do Dec. 2, 1863 Sta...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Underwriter 72 8 0 0 0 user votes
U. S. S. Underwriter 2 0 0 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.