She was damaged outbound on a fourth voyage to transport enslaved people and then disappears from online records.

Trelawney, King, master acquired captives at Bonny and arrived at Montego Bay, Jamaica on 28 April 1792.

[3][6] Whaling voyage (1793–1796): Captain Robert Hillman (or Hilman) sailed from Bristol in 1793, bound for Peru.

[8] In July 1795 Trelawney was at Valparaiso, and on the coast of Peru in December 1795 with 170 tons of sperm oil.

2nd voyage transporting enslaved people (1799–1800): Captain James Lake acquired a letter of marque on 23 October 1798.

They wounded two sailors; the rest escaped in the boats and made their way to another ship, Lord Nelson, which was anchored nearby.

Captain Kendall of Lord Nelson started firing on Trelawney and sent his men to retake her.

The judge of the High Court of Admiralty awarded the plaintiff 10% of the estimated value of Trelawney, her cargo, and freight, approximately £10,000, plus the salvor's expenses.

3rd voyage transporting enslaved people (1800–1801): Captain Thomas Smith acquired a letter of marque on 28 August 1800.

[15][c] Trelawney sailed from Kingston on 25 June and arrived back at Liverpool on 10 September, under the command of Captain Eglinton Richardson.

[14] 4th voyage transporting enslaved people (1802): Captain Andrew Roberts sailed from Liverpool on 17 June 1802.

[20] By one account, Trelawney, Moon, master, was wrecked in December 1806 on the Ness Sands, in the Bristol Channel, with the loss of her captain.