Interesting to note that the page from
Tasmania, Australia, Convict Court and Selected Records, 1800-1899; Registers of conditional pardons issued, 1853-1856 which lists his name as having been awarded the conditional pardon, has his ship listed but no other information next to his name. Most other entries on that page show two dates and a town/village name (which I would assume is their residence) for each person.
This makes me wonder whether his whereabouts were unknown to the authorities - and a possible change of name, perhaps?
There are mentions of him on the Tasmania Names Index.
The Marriage permission request is dated 13 September, 1852, and ,as you already know is for marriage to Mary Evans (ship: D(uke) of Cornwall - most convict records include the name of the transport ship as a further means of identification)
There are also Convict records for him (not always easy to find the dates these are made)
The appropriation record shows him deployed to Maria Island for fifteen months -probably at his arrival in 1844
https://libraries.tas.gov.au/Digital/CON27-1-10/CON27-1-10P212Conduct Record has a number of entries, including a description of him and some mentions of misdemeanors such as stealing a sack of potatoes, being absent without leave etc. He was sent to Port Arthur, a notorious prison at one stage. I'll leave you to read!
One note states that he was not to reside in the Hobart area (1852 but a later note a few months later suggests that he may reside in the Hobart area!
https://libraries.tas.gov.au/Digital/CON33-1-57/CON33-1-57p52Other than the granting of the Conditional Pardon I'm not seeing any records for him later than 1853.
Judith