American whaler Peru departed to sea in 1818

Of Nantucket, master David Harris, departed on 29 August 1819 to the Pacific Ocean and returned on 5 December 1820 with 1.146 barrels sperm and 463 barrels whale.

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