Chesten Marchant
From Infogalactic: the planetary knowledge core
Chesten Marchant or Cheston Marchant, who died in 1676 at Gwithian, Cornwall,[1] reportedly having reached the age of 164 (the claim apparently going back to William Scawen),[2] is believed to have been the last monoglot Cornish speaker, as opposed to other speakers such as Dolly Pentreath who could also speak English.
See also
References
<templatestyles src="Asbox/styles.css"></templatestyles>
<templatestyles src="Asbox/styles.css"></templatestyles>