Statistics for occurrence #1 of “Mr. Plumb” in article 3 of The Daily Dispatch: January 20, 1862., [Electronic resource]:

...the taking of Vera Cruz. On January 6, the steamer Cuba, formerly the Calhoun, three days from Berwick's Bay with cotton, reports 1,508 tone Capt. McConnell, formerly of the steamer Habana, and Mr. Plumb , attache to the American legation at Mexico, are here en route for Washington.
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