Katherine Thornton [née Grenfell] (1843-1906), daughter of Catherine Anne Du Pré and Pascoe St Lyer Grenfell (1798-1879; ODNB), industrialist and son of Pascoe Grenfell (b. 1761, d. 1838), MP with close links to Wilberforce and the Clapham Sect, and founder of the family firm of copper smelting; m. (1871) Henry Thornton, her first cousin.

Journal references: 1

• 25 Oct 1908

See also Thornton, Henry Edward; Grenfell, Francis Wallace