Perhaps you should try some spelling variations:
williams callcott » williams charlotte, williams malcolm, williams elliot
wallis callcott » wall callcott, wellins calcott
john williams » john william, john willison
john wallis » john willison, john william

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( john wallis callcott ) OR ( john williams callcott ))".
• Adding a wildcard symbol may retrieve word variants: (( john wallis callcott ) OR ( john williams callcott ))*.