Deacons Bench? Never heard that before, that;s intresting.
We've always called 'em hall trees here... and if ya google "hall tree pics", that's where I got that pic from.....
http://www.google.com/search?sourceid=navclient&ie=UTF-8&rls=GGLR,GGLR:2006-24,GGLR:en&q=Hall+Tree+Pics
T.