Admiral Kingsmill appeared in Lloyd's Register for 1797 as a British clinker-built and Cork-based privateer. The entry showed her master as Thornton. She had undergone repairs in 1796 and was armed with ten 6-pounder guns.Lloyd's Register (1797), Supplemental pages, Seq. №A57. Captain Eleazer Thornton acquired a letter of marque for Admiral Kingsmill on 19 December 1796. Lloyd's Register for 1798 described her as a tin-sheathed brig. It gave her burthen as 160 tons and her trade as Liverpool-Africa, indicating that she was probably a slave ship.
A database of slave-trading voyages showed her master as Hugh Kessick, and her owners as James Penny, James Penny, Jr., Moses Benson, and John Backhouse. She left Liverpool on 8 June 1797 and gathered her slaves from West Central Africa. Admiral Kingsmill delivered 263 slaves to Martinique on 20 March 1798.Trans-Atlantic Slave Trade Database Voyages: Admiral Kingsmill.
Admiral Kingsmill was last listed in Lloyd's Register and the Register of Shipping in 1800.
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