If you are looking for Convict Records this a great site and a big thank you to
Liz Shifflett for finding and sending me the link Thanks Liz!
http://www.convictrecords.com.au/
Also try
http://www.records.nsw.gov.au
This will probably give you the most detailed information, as it is an accumulation of data
While we are collating convict records, for convicts to Van Diemen's Land/Tasmania:
http://portal.archives.tas.gov.au/menu.aspx?search=11
or
http://foundersandsurvivors.org/