Hello, I am new at this e-mail facility but would be pleased to help if I can. I currently live in Oxford, England but have strong family(Ham) connections in Wales. I am currently researching the Ham tree and have gone back to 1792 where my Ham family lived in Bristol. This was a saddler named John Ham, and being brief, his grandson (my grandfather) moved to Cardiff 1870-1890 they had many children and established a well respected funeral parlour in Cardiff (still there). I am researching the Bristol Ham's at the moment and it is possible they came to Bristol in the mid 1700's from Cornwall.
Hope I've been of use to you. I have not been specific in case it is not relevant to your quest. Cedric Ham