[1] William Rathbone first appeared in Lloyd's Register (LR) with Kinnan, master, Tobin & Co., owners, and trade Liverpool–Demerara.

[1] On 24 November the French privateer Bristnair, of Saint-Malo, and of 14 guns and 160 men, captured Mary, which was sailing from Newfoundland to Ireland.

[1] On 27 September, as William Rathbone was approaching Demerary Bar, the American privateer Saucy Jack captured her and put a prize crew aboard.

When Charybdis recaptured William Rathbone she returned the vessel to her officers and crew.

[8][b] On 29 December 1815 William Rathbone, King, master, from Cape Henry, Virginia, to St. Domingo, got on shore near Liverpool.

[11] On 17 April 1818 William Rathbone put into Corunna due to "stress of weather".

[2] On 8 May 1846, while on a voyage from Calcutta to London, William Rathbone caught fire at 32°N 36°W / 32°N 36°W / 32; -36 in the Atlantic Ocean.