He was born the illegitimate son of George Pigot, 1st Baron Pigot, and Catherine Hill, and was thus a nephew of Lieutenant-General Robert Pigot and Admiral Hugh Pigot, and a cousin of General Henry Pigot and the notorious Captain Hugh Pigot. His brothers Richard and George both had distinguished careers in the army, rising to the rank of general and major respectively. Pigot entered the Navy on 1 May 1788, first serving aboard the 50-gun fourth-rate ship, under the command of Captain Erasmus Gower, and the flagship of Rear-Admiral John Elliot, Commodore-Governor of Newfoundland. Later in the year he moved into the sloop, Captain Edward Pakenham. He then served for three years in home waters under Captain Andrew Snape Douglas, as a midshipman in the frigate, and in the guard ships and. In 1792 he sailed for the Mediterranean aboard the 50-gun, flagship of Rear-Admiral Samuel Granston Goodall, who he followed into the 98-gun ship in May 1793. Following the evacuation of Toulon in December 1793, he was appointed acting-lieutenant of the 74-gun, Captain Andrew Sutherland, then served for a short period as midshipman in the Princess Royal, and in the 100-gun, flagship of Admiral William Hotham. He was officially promoted to lieutenant on 12 November 1794 to serve aboard the sloop, under the Captains the Honourable Henry Hotham, Shuldham Peard, and Edwards. His next appointments were to the, Captain John Pakenham; the frigate, under Captains Ralph Willett Miller and Edward Hamilton; the 74-gun, flagship of Vice Admiral Sir Richard Onslow; and the, Captain John William Spranger. In those ships he served in the Mediterranean, Newfoundland, the North Sea, Baltic, and Jamaica stations. Promoted to commander on 29 April 1802, Pigot commanded the brig-sloop off Seaford from 24 August 1803, until promoted to post-captain on 8 May 1804.
Post-captain
On 27 March 1805 Pigot commissioned the sloop at Sheerness, but remained in her only for three months. He commanded the sixth rate, and then from 28 June 1806 the 32-gun fifth-rate, both in the West Indies. On 5 April 1807 Circe captured the French privateerAusterlitz of 18 guns and 125 men. On 2 March 1808, he captured the island of Marie-Galante, and on 31 October, off Martinique, he captured the of 16 guns and 79 men, 7 of whom were killed and 8 wounded, with a loss to the Circe, having come under fire from a battery on the Diamond Rock, of one man killed and one wounded. He commanded the 74-gun and then the frigate, on the same station, and commanded the blockading squadron off Guadeloupe at the start of 1809 in the latter ship. On 10 February 1809, Latona assisted in the capture of French frigate Junon, of 46 guns and 323 men, whose fire wounded six of Latonas crew. The exertions and activity Pigot displayed in erecting jury-masts, and putting the prize into a seaworthy state, gained him the warm official thanks of the senior officer present, Captain George Scott, of the Horatio. On 17 April 1809 Pigot witnessed the surrender of the French 74-gun ship ; and on 18 June in the same year took part in the capture of the, pierced for 42 guns, but having only 14 of her main-deck armament mounted, with a complement of 174 men, and a cargo of sugar, coffee, etc. Pigot then moved into the frigate, in which he spent the next four years stationed in the West Indies and at Halifax. In her, during the War of 1812 against the United States, he destroyed the 8-gun letter of marqueWampoe on 28 April 1813, and the 20-gun privateer Holkar on 11 May 1813. On 20 April 1814 he captured the, of twenty 32-pounder carronades, two long 18-pounder guns, and 171 men. From the end of 1814 he commanded the 50-gun, and then the frigate, on the coast of North America, before returning to England in August 1815.
