American whaler Betsey departed to sea in 1818

Of Nantucket, master William Brown, departed on 18 January 1818 and returned on 16 September 1818 with 70 barrels sperm and 12 barrels whale. Brig.

Source
Catalogue of Nantucket Whalers and their voyages from 1815 to 1870. Hussey&Robinson, Nantucket, 1876.