DENIHAN in County Cork, Ireland and London, UK.
I am researching Denihan / Denehan originally from Mitchelstown, County Cork, Ireland.
William Denehan had a son - John Denihan who moved to Pimlico, London, England. John married twice. First to Hannah Joanna Buckley in 1848.Second to Margaret Daly in 1859.
Other linked surnames ? Clamp, Griffin, McCaul.