In 1841 John Blewett, aged about 25, born in the county, carrier, and wife Mary Blewett, aged about 20, were living in Back Road, St. Ives, Cornwall. With them were daughter Emily (2), [mother-in-law] Constance Penrose (63), ind[ependent means].
In 1851 John Blewett, aged 38, born in Camborne, coal porter, and wife Mary A. Blewett, aged 38, born in St. Agness, were living in Carn Crows, St. Ives. With them were children (born in St. Ives) Emily (11), scholar, John (9), scholar, William H. (6), scholar, Cyrus (2?), Mary R. (1), Elizabeth (4 months), mother-in-law Constance Penrose (71), widow, of Illogan, lodger.
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John Blewett of St. Ives died aged 40 years (burial record).