She made four voyages as a slave ship in the triangular trade of enslaved people.

Hannah first appeared in Lloyd's Register (LR) in 1796 with Livingston, master, Robert Bent, owner, and trade Liverpool–Africa.

[3] 1st voyage transporting enslaved people (1796–1797): Captain John Livingston acquired a letter of marque on 1 February 1796.

[6] Dolben's Act was the first British legislation passed to regulate slave shipping.

[a] 2nd voyage transporting enslaved people (1797–1798): Captain Thomas Given acquired a letter of marque on 4 May 1797.

3rd voyage transporting enslaved people (1798–1800): Captain Andrew Arnold acquired a letter of marque on 28 August 1798.

A shot fired by a vessel on 7 October 1798, had killed two men on shore, and badly wounded a third.

[13] 4th voyage transporting enslaved people (1800–1801): Captain Arnold sailed from Liverpool on 1 September 1800.

Hannah arrived at Kingston, Jamaica, on 30 July 1801, where she landed 338 captives.

[14] Hannah, Lawson, master, was wrecked on the Hog Sties on 9 December 1801, while returning to London from Jamaica.