Dorothy was a merchant ship built at Liverpool, England, in 1815.

Under the command of John Hargreaves and surgeon Robert Espie, she sailed from Cork, Ireland on 5 May 1820, stopped at Rio, leaving on 7 July and arrived at Sydney on 25 August.

[4] Dorothy departed Port Jackson on 8 November 1820, bound for Batavia and Calcutta.

[5] While on a voyage from London to Bombay, India, she sprang a leak in late June.

Her crew were rescued on 24 July by Charles Adams (United States).