American whaler Leo departed to sea 1815

Of Nantucket, master William Joy, departed on 2 July 1815 towards the Brazil Banks and returned on 24 October 1816 with 38 barrels sperm and 1.310 barrels whale.

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