On the site http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GSln=Masterson&GSfn=Mary&GSbyrel=all&GSdyrel=all&GSst=36&GScntry=4&GSob=n&GRid=143375651&df=all& there is a Mary Masterson (perhaps the wife of William Masterson?) who dies in Feb 1904 at 68 years old so born around 1836 ) Could she be the second wife or first of William Masterson, or perhaps William's daughter?
There is a lady with last name O'Neill 35 years old who is buried on May 4th, 1847 in Liverpool, England. She was in the fever ward. (born circa 1812). Could this be our Bridget O'Neill ? https://www.familysearch.org/ark:/61903/3:1:3QS7-896J-7QSB?i=71
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