D'Arcy Wentworth, born Dorset Crowley (23 June 1793 – 21 July 1861), was a New South Wales army captain, police magistrate and politician.
They had met on board the Neptune, with D'Arcy being the ship's surgeon and Catherine being transported, which was part of the notorious Second Fleet.
Wentworth led detachments of troops from Bothwell and Hamilton, as well as civilian volunteers, towards the Great Lake and the banks of the Ouse, Shannon and Clyde rivers.
While in Van Diemen's Land, Wentworth served as police magistrate in Bothwell, where he built a significant Georgian sandstone house.
[11] From 1843 to 1845 he was a member of the New South Wales Legislative Council for the Northumberland boroughs, comprising East and West Maitland and Newcastle.