She served during the Napoleonic Wars and participated in one engagement that earned her crew the Naval General Service Medal (NGSM).

[12] In 1847, the Admiralty awarded the Naval General Service Medal with clasp "Rosario 27 March 1812" to the seven surviving claimants from her crew.

The admiralty also awarded the medal with clasp "Griffon 27 March 1812" to the five surviving claimants from that vessel.

On 18 April 1816, Rosario was in company with the schooner HMS Grecian when they captured the smuggling vessel Nancy.

[c] Then on 4 June Rosario captured Charlotte, which had a three-man crew and was smuggling 85 kegs of spirits.

[d] Six weeks later, on 17 July, Rosario picked up 200 kegs of contraband spirits at sea.

[e] On 12 January 1817, she seized Ino, a smuggling boat loaded with 144 kegs of spirits.

[2] This article includes data released under a Creative Commons Attribution-ShareAlike 3.0 Unported UK: England & Wales Licence, by the National Maritime Museum, as part of the Warship Histories project.