I found a great website at : http://www.a2a.pro.gov.uk/
It contains a lot of legal bumf from Cornwall and other parts of the UK. I was looking for a link to the Wendron Caddy's but remembered yours are Crowan / St Hilary . Here is an entry that may interest you:
FILE - Quarter Sessions Order Book - ref. QS/1/7 - date: Oct 1799-Oct 1811
item: Sessions held in Truro - ref. QS/1/7/143-162 - date: 27th April 1802
[extract] ... Appeal by Crowan against order of 18 Mar. last for removal of Samuel Caddy and Elizabeth his wife from St. Hilary: order confirmed. Crowan to pay St. Hilary £1. 6s. 8d. costs. ...