So I found this site => http://www.executedtoday.com/ Could prove helpful :-)
It's one of my fav's. They do a great job.
I love it, too. Excellent history.
Another source, http://www.capitalpunishmentuk.org/contents.html (covers the world) http://www.adelaidegaolheritage.com.au/adelaide-gaol-list-of-hangin... (SA, all but 3 were here, others were at Mt Gambier.)