In 1758 Mary was nominated as one of the guardians of her husband's will during the minority of the executor.
-------------------------------
Lease, moiety of dwelling house and land in Penkestell, Manaccan, 25 Mar 1765. 2
Parties:
1) Mary Trewren of Trewardreva, widow, Thomas Glynn of Helston, esquire and William Ustock of Penzance, merchant, to
2) Richard Walters of Manaccan, yeoman.
99 year lease, lessee's son Richard; rent 10 shillings. Consideration: £7.
Moiety of dwelling house and land in Penkestell late in occupation of John Christopher.
-------------------------------
Lease, Polkiskan, Cury, 10 Nov 1794. 3
Parties:
1) Mary Trewren, borough Helston, widow of John Trewren, late of Trewardreva
2) John Borlase, borough Helston, gentleman.
Surrender and Admission, Copy of Court Roll.
-------------------------------
Quitclaim, moiety of manors of Kestell and Crubplight, 29 Sep 1796. 4
Parties:
1) Mary Trewren of Helston, widow of John Trewren of Trewardrevah, esquire deceased, John Hawkens of Helston, esquire and wife Catherine, to
2) Mary's son Thomas Trewren.
Right of dower and estate in moiety of manors of Kestell and Crubplight.
-------------------------------
Mrs. Mary Trewren of Helston, widow, died aged 75 years (burial record).