Looking for Ancestry of James Cantwell Aged 28 Who Married Mary Macnamara from Ireland IN Bristol England 24 July 1853 His Father Named Emund...

I have this James Cantwell and family arrival in Moreton Bay Queensland Australia on ship Queen of the South 8 December 1865.....James died in Queensland 1869...

Am looking for his English Ancestry..

Australian particularly Queensland names associated with this family are Burke/Bourke, Casey and Fahy/Fahey