American whaler Gideon departed to sea in 1819

Of Nantucket, master John R. Caswell, departed on 21 May 1819 towards the Brazil banks and returned on 25 July 1820 with 50 barrels sperm and 920 barrels whale. Bark.

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