Mary was born in 1830. She is the daughter of Francis Mullin and Bridget Unknown.
Census Transcript Search, 1841-1911 [database online]. TheGenealogist.co.uk 2018
Original data:
1821/1831 transcripts are licensed from Jennifer Edmunds, Professional Genealogist. Original records held by Westminster Archives. "HO107 1841/1851 Census Returns" The National Archives "RG9 General Register Office: 1861 Census Returns" The National Archives "RG10 General Register Office: 1871 Census Returns" The National Archives "RG11 General Register Office: 1881 Census Returns" The National Archives "RG12 General Register Office: 1891 Census Returns" The National Archives "RG13 General Register Office: 1901 Census Returns" The National Archives "RG14 General Register Office: 1911 Census Schedules" The National Archives