Mary Addinsall was born on 28 Oct 1849 in Honington, Lincolnshire, England, daughter of John Addinsall (1814 - 1883) and Mary (Derry) Addinsall (1822 - 1854).
The birth and death of Mary on the same day was detailed in a family history. I cannot find any source.
Sources
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DNA Connections
It may be possible to confirm family relationships with Mary by comparing test results with other carriers of her ancestors' mitochondrial DNA.
However, there are no known mtDNA test-takers in her direct maternal line.
It is likely that these autosomal DNA test-takers will share some percentage of DNA with Mary: