American whaler Boston departed to sea 1816

Of Nantucket, master Reuben Clasby, departed on 10 November 1816 towards the Pacific Ocean and returned on 12 May 1819 with 989 barrels sperm.

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