In 1791 she sailed as a whaler to the British Southern Whale Fishery, but was lost in August, early in the outbound leg of her voyage.

[2] On 11 April 1791 Olive Branch, Lucas, master, sailed from the Downs, bound for the South Seas.

[3] In January 1792 Lloyd's List reported that Olive Branch, Lucas, master, had been lost off the coast of Patagonia.

[4] She had been lost off Puerto Deseado in August 1791; some of the crew made it to Montevideo in a boat on 28 December 1791.

[1] LR continued to carry Olive Branch for some years after 1791, but with unchanged data.