Mary Sanderson died after her ship was wrecked on the Brisons.

 St Sennen, Sennen, Cornwall
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The church of St. Sennen is medieval: it is known as the parish church of Lands End. The patron of the church is the Duke of Cornwall. Nothing is known historically about St Sennen except his name and that he was a martyr buried on 30 July of some unknown year.
 
 
 Mary Sanderson died after her ship was wrecked on the Brisons. All but 2
of the crew of the 250 ton brig "New Commercial" were killed. 
 
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