Aged 9 months at the time of the 1871 UK Census.
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In 1891 Mary Christiana Vivian, aged 20, born in Camborne Cornwall, violinist, was with her parents at Veor House, Camborne, Cornwall.
In 1911 Mary Christine Archbold, aged 39, born in Camborne (mother of 2 children, 1 deceased), and husband of 16 years Thomas Ralph Archbold, aged 42, born in Mildmay Park, London, consulting mining engineer, were boarding at 6 Gordon Place, Kensington, London. With them was daughter Doris Dulcinea Vivian Archbold (15) of Copiapó, Chile.
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Mary Christine Archbold died aged 62 years. 2
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Mary Christine Archbold of 25 Down-view Bude Cornwall, widow, died 10 July 1932 at St. Thomas's Hospital Lambeth Surrey. Probate London 30 September to Alice Lloyd Vivian, spinster. Effects £315 1s. 10d. 3