1829: Transporting convicts to Port Jackson

Captain Thomas Canney sailed from Plymouth on 18 October 1829 and arrived at Port Jackson on 18 February 1830.^[12] She embarked 200 male convicts and landed 199, having suffered one convict death en route.^[13]

1832: Transporting convicts to Van Diemen's Land

The voyage began with a cholera outbreak on board the day she sailed from Woolwich. She anchored in Plymouth Sound but was ordered to put to sea again after receiving medical supplies and the services of an assistant surgeon from the Royal Navy. She returned to the Thames Estuary and was laid up in Stangate Creek until the end of March before being allowed to resume her voyage.

Of the 222 convicts aboard, 30 men developed cholera and 13 died before Captain John Anderson finally set sail from Plymouth on 23 March 1832 bound for Van Dieman's Land, where she arrived on 16 July.^[14] She suffered no deaths among her convicts after she left Plymouth.^[15][16]

1837: Gravesend to Adelaide

She sailed from Gravesend on 27 July 1837 under the command of Captain Alfred Fell and arrived at Holdfast Bay, South Australia, on 17 October 1837. She carried 177 passengers, who came from England and Ireland. There were six aged over thirty, of whom five paid their own way. There were 129 aged between fifteen and thirty, of whom only four were required to pay, and there were forty-two aged under fifteen, all of whom were granted free passage.^[18]

The voyage left England one month after King William IV died and Princess Victoria was ascended to the throne. On Katherine Stewart Forbes's arrival at Adelaide a public proclamation was made regarding the death of King William IV and the accession of Queen Victoria.^[19]

1838: Launceston to Port Adelaide

Katherine Stewart Forbes departed Launceston, and arrived Port Adelaide on 17 June 1838. The only recorded passenger was Mr John Brown.

1839: London to Adelaide

She departed London on 20 October 1838 and after a stop at the Cape of Good Hope, she arrived in Adelaide on 21 March 1839.

1840: Adelaide to London

Katherine Stewart Forbes departed Port Adelaide on 11 April 1840, carrying with her the former Governor of South Australia, George Gawler, his aide-de-camp, James Collins Hawker and his gardener and Derbyshire botanist, Joseph Whittaker. The vessel was delayed for five days at Kingscote on Kangaroo Island in order to fill with wood and water for the journey. She then called in at Mauritius and St Helena and then stopped at Corvo in the Azores for just two hours to obtain provisions. The vessel reached England on 23 September 1840. The journey back to England was described in some detail in Hawker's 1899 book, Early Experiences in South Australia. Pressed plant specimens collected by Joseph Whittaker from the island stops that Katherine Steward Forbes made en route were subsequently supplied to Kew Gardens.^[20][21]

1841: London to Wellington

Under Captain John Hobbs, Katherine Stewart Forbes left Gravesend on 5 February 1841 and arrived at Port Nicholson on 24 June with 176 emigrants.^[22][23]

1842?: Sarawak

Between 1841 and 1843, J.S.Hobbs, hydrographer, of Katharine Stewart Forbes, master John Hobbs, made a 'Sketch of part of the N.W.Coast of Borneo showing the approaches to and entrances of the Sarawak River'. This map was then drawn up in London and sent by Henry Wise to the Admiralty in November 1843.^[24] The map notes two anchorages, at one of which 'Katharine S.Forbes anchored and loaded Cargo'.

In 1846 she underwent a large repair.^{[citation needed]}

1850: Adelaide to Port Jckson

Under Captain William Wright, she made a coastal voyage with passengers.^[25]

1851: London to Auckland

Under Captain William Wright, Katharine Stewart Forbes left St Katherine's Dock on 22 October 1851 and arrived at Auckland on 9 March with 65 emigrants.^[26]