easier for others if you keep to one thread - use reply option;
Have you checked the births etc on Brian's site www.lawsons.ca ?
Genealogical details about Dw Wm seem slight - born Knutsford 24 Feb 1819 fa Dr Wm, mo margaret (name unknown) - married a Margaret (name unknown) - d 24 apr 1892 Douglas (there will be an obit in a manx paper) - sons went to KWC thus will appear in their old-boys list