
Have you looked for the Surgeon's journal for voyage bringing convict here? Sometimes there are comments showing if a school was set up on voyage for those who could not R/W.
Did convict witness any marriages ... sign or mark
Does convict indent record R or R/W or none ....
Clergymen assumed so pointed to spot on parish register and said "Mark here".
Trove has the digitised AJCP readily available, includes surgeons journals
Did convict live NSW and survive past March 1856 when civil registration commenced, and informant's details including sign/Mark needed on BDM
Will think more, later.

ADD
Did convict petition re land .... Col Sec records...
JM.