Possibly the swiftest route to your roots.
Irish genealogy website directory.
www.nationalarchives.ie/search/index.php?category=18
Description:
A searchable web database of many Irish convicts sentenced to be transported to Australia in the period 1788-1868. Compiled from transportation registers and petitions to government for pardon or commutation of sentence. A search provides references to the microfilm held within the Alexander Library Building and at other locations in Australia.