Born at Amalibria in the parish of Towednack, the daughter of William and Ann (Cock) Trewhella. She was christened 29 April 1781. In 1800 she married John Glasson of Lelant at Towednack church, and they moved to his ancestral village of Polpeor in Lelant downs. They had 10 children. Elizabeth died at Wheal Kitty in Lelant and was buried 27 April 1865.