The trial papers are not online just access details
http://www.nas.gov.uk/catalogues/default.aspClick on search the NAS catalogue
Then click on search(top middle)
In the search for box enter - Elizabeth Mcbride Urquhart
That should give you 3 results , click on display catalogue results
Click on AD14/46/411 & JC26/1846/217
ev
Added-
Elizabeth Urquhart, wife of David Urquhart, mariner, Royal Navy, m.s. McBride, Verdict - Guilty, in terms of own confession , Sentence - Transportation - 7 years(Date 28th April 1846)