[1] On 28 October 1807 Louisa, under the command of Lieutenant Joseph Hoy, engaged with a privateer of 14 guns.
Still, in 1847 the Admiralty authorized the issue of the Naval General Service Medal with clasp "Louisa 28 Octr.
Shortly thereafter, on 24 January 1808, the frigate Iris captured the French privateer lugger Marsouin.
Captain John Tower, of Iris, reported that an examination of her logs and muster list revealed that on her last cruise on 28 October, near Cork, she had attempted to board a transport.
The concealed troops fired a small arms volley that killed Marsouin's captain and ten men, and wounded five others.