I recently found this Death Notice for my 5th Great Grandmother Mary Rhall (nee Cassidy) at Trove. Interesting new information from the notice is that her middle name was Catherine.
Source: Family Notices. (1866, April 21). Freeman's Journal (Sydney, NSW : 1850 - 1932), p. 248. Retrieved September 19, 2013, from http://nla.gov.au/nla.news-article115452333
On 1st March, at her daughter's residence, Coolac, near Gundagai, Mary Catherine, relict of the late Christopher Rhall, of Bong Bong, aged 70 years, and a native of Longford, Ireland, May she rest in peace.
NSW BDM Death Registration
4385/1866 RHALL MARY ALLAN CATHERINE GUNDAGAI
Source: Death Registration for Mary Rhall. Retrieved from http://www.bdm.nsw.gov.au/