There is a flaw in FindMyPast’s index. The actual Gazette with the notice is Issue 64, for Tuesday 22 June 1852. (FindMyPast has transcribed the date for the notice, rather than the date of the publication !)
Page 990, page 991
https://trove.nla.gov.au/newspaper/page/12733470https://trove.nla.gov.au/newspaper/page/12733471 The Tickets of Leave of the undermentioned Prisoners of the Crown have been cancelled under the recommendation of the Commissioner of Crown Lands, Darling Downs, in consequence of the parties being absent from their District:-
(A lengthy list follows, with the Ticket of Leave holders’ given name, surname, ship of arrival)
…..
George Westley, Randolph……
J MCLEAN, Principal Superintendent of Convict’s Office, 18th June, 1852.
So may I mention that on the convict ship ‘Randolph’ there was a chap named as George WESLEY. His Ticket of Leave shows he had been tried at Halifax, a Court Martial. Yes, that’s Halifax, Nova Scotia. Trial 21 August 1847, sentence of 7 years. His ToL of 15 Oct 1850 (50/563) replaced the one # 49/609. The 1850 ToL allowed him to remain in the service of G V J GAMMIE, Darling Downs, for 12 months. Recommended by the Commissioner of Crown Lands, (at) D. Downs. 28 June 1850. It was replaced by 50/2082. There was at least one other chap on that Randolph voyage who had also been tried by that Court Martial at Halifax. Many on that voyage were tried at Courts Martial from : Barbados, New Brunswick, Jamaica, Bury, Portman, Jersey …
I think, on balance, the NSW GG is a typo, and is not our OPs George Westley.
JM