In 1871 Lavinia C. Blewett, aged 70, born in Sithney, unmarried, annuitant, was with her sister Lydia K. Blewett at 3 Portland Place, St. Charles the Martyr, Plymouth Devon.
In 1875 Lavinia Curnow Blewett was co-executrix of the will of her late sister Jane Groube Vigurs, widow.
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Lavinia Curnow Blewett of 33 Prospect St. Plymouth died aged 76 years (burial record). Lavinia and her twin sister Harriet died a day apart.
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The Will of Lavinia Curnow Blewett late of Plymouth in the county of Devon, spinster, who died 6 Mar 1877 at Prospect-street Plymouth, was proved 28 March at Exeter by Samuel John Blewett of Ermington Villa Plymouth, accountant, the nephew, the sole executor. Effects under £1,500. 2