« Reply #1 on: Wednesday 15 October 08 16:08 BST (UK) »
I found the following information in which you might find something useful. It depends on how close to 1800 your family member was a Master.
www.history.ac.uk/gh/capreg.htmIt lists a lot of the sources and type of information available on the Merchant Service.
Framesmiths1816
Warner, Owen, Putt, Mynett, Wickwar, Norman, Wheeler, Gray, Cooke, Dewick, Holmes, Lawson, Granger, Queenan, Weston, Wesson, Brewin, Cartwright, Heathcote, Heathcoat, Felkin, Morley, Hallam, Wootton, Adkin, Shepshed, Loughborough, Leicester, Philadelphia, Ontario, Nottingham,