American whaler Atlas departed to sea 1815

Of Nantucket, master Willem Easton, departed on 29 June 1815 towards the Pacific Ocean and returned on 6 June 1817 with 1.372 barrels sperm.

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