The French privateer Napoleon, of Boulogne, armed with 18 guns and carrying 98 men, had captured Two Brothers as she was sailing from Sunderland to Portsmouth.

[3] On 20 February 1807 with Kangaroo was in company with Otter and Clyde and so shared in the salvage money for the recapture of Farely, John Fryer, master.

[9] On 20 November 1808, after a two hour chase, Kangaroo captured the French privateer lugger Egayant (or Gayant) some ten or 12 miles SE of Dungeness.

A British force landed on 30 July 1809, and withdrew in December, having accomplished little and having suffered extensive casualties, primarily from disease.

On 14 August San Domingo, the flagship of Admiral Sir Richard John Strachan grounded; Clyde came to her assistance until she could be refloated.

Some two weeks later she escorted two transports carrying American prisoners to Salem, after the treaty ending the war with America.

Disposal: The "Principal Officers and Commissioners of His Majesty's Navy" offered the "Kangaroo sloop, of 369 tons", "lying at Plymouth", for sale on 14 December 1815.

[2] 2nd whaling voyage (1818–1821): Captain Luck (or Luce, or Lewis), sailed from Plymouth on 24 October 1818, bound for the Galapagos Islands.

In late 1819 an Andes Chilean armed ship detained her, "seduced eight of her best seamen from her", and gave her eight "worthless men" in return.

[22] Lloyd's List reported on 11 May 1827 that as she was sailing for Quebec, in coming down from Stonehouse Pool she ran aground.

Lloyd's List of 22 April 1828 reported that Countess of Morley was leaky at Sierra Leone and had been obliged to discharge.