Lady Mary Hill Broughton-Delves (d. 1813)
Arms: Broughton (?) impaling Hill (Barons of Berwick, of Attingham)
Dau. of Thomas Hill, of Tern co. Salop, and of his 2nd wife Susan-Maria Noel, co-heir of William Noel Judge of the Common Pleas.
She m. 1stly. Sir Bryan Broughton-Delves, 5th baronet (1740-1766), the son of Sir Brian Broughton-Delves, 4th Baronet (1717–1744); m. 2ndly. Henry Errington of Redrice, co. Southampton
Lady Mary was the sister of Thomas Noel-Hill, Baron Berwick, of Attingham, co. Salop. (cr. 1784).
Apparently Lady Mary used another bookplate after her marriage to Henry Errington (see, F. 3835 – Arms: Errington impalling Hill.
Sources: Edmund Lodge, The Genealogy of the Existing British Peerage and Baronetage, 1859, p. 92