Merioneth 1735 - 1799
There are no reports of confirmed executions. Only 1 seems possible 
The site of execution was said to be at Cae-y-grogben, on a hillside
overlooking Dollgellau. 
Session       Name Crime                  Date of execution
1785 - 1 possible  Execution ordered
S   2 April     Owen David             Burglary   Tu  3 May