While gathering information to be indexed into www.ryersonindex.org I found the following marriage relating to the Hawkesbury List area in the Sydney Morning Herald. Saturday 12 August 1843 - On the 31st of July, at the Colo Church, by the Rev. W. Simpson, William, son of A. Ardagh, Esq., Clonmel, Ireland, to Louisa, relict of the late J. K. McDougall, Esq., of Baulkham Hills. Patricia