Possibly the swiftest route to your roots.
Irish genealogy website directory.
members.pcug.org.au/~ppmay/convicts.htm
Description:
This database contains details of Irish convicts who were transported to New South Wales in the period 1788-1849. The database contains: Irish State prisoners, convicts who were tried in Ireland, convicts who were tried outside Ireland whose native place was in Ireland, Irish military men who were tried inside or outside Ireland whose native place was in Ireland, and a few non-Irish convicts arriving on Irish convict transport ships.