In 1808 Sophia Penberthy was a beneficiary of her father's will.
In 1839 Miss Sophia Penberthy was a tenant of a dwelling house in Coinage Hall Street, Helston, paying £9 rent per annum. 4
In 1851 Sophia Penberthy, aged 63, born in Helston, unmarried, retired dressmaker, was with her brother Stephen Penberthy, aged 66, born in Helston Cornwall, unmarried, retired hatter, in Church Street, Helston, Cornwall.
In 1861 Sophia Penberthy, aged 73, born in Helston, unmarried, retired dressmaker, was living in Church Street, Helston, Cornwall.
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Sophia Penberthy of Church St. died aged 75 years (burial record).