(Dolly). The last person who spoke Cornish. Daines Barrington went from London to the Land's End to visit her. She lived at Mousehole.
Hail, Mousehole! birthplace of old Doll Pentreath, The last who jabbered Cornish, so says Daines ...
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894