John Henry Thomas Manners-Sutton, 3rd Viscount Canterbury GCMG KCB (27 May 1814 – 24 June 1877), styled The Hon.

[1] A member of the Manners family headed by the Duke of Rutland, Manners-Sutton was born at Downing Street, London, the second and youngest son of Charles Manners-Sutton, 1st Viscount Canterbury, Speaker of the House of Commons, by his first wife Lucy, daughter of John Denison.

[5] He served as Under-Secretary of State for the Home Department from 1841 to 1846 in Sir Robert Peel's second administration.

[2] In 1854 Manners-Sutton was appointed Lieutenant Governor of New Brunswick,[6] a post he held until 1861.

[2] He married, on 5 July 1838, Georgiana, youngest daughter of Charles Tompson of Witchingham Hall, Norfolk, by whom he had five sons, and two daughters: Sutton street in the southern Ballarat suburb of Redan is named after him.