Background
Walker was born in 1837, at Bowlandstow, Midlothian, Scotland, the eldest son of Sir William Stuart Walker (Knight Commander of the Order of the Bath).
Walker was born in 1837, at Bowlandstow, Midlothian, Scotland, the eldest son of Sir William Stuart Walker (Knight Commander of the Order of the Bath).
He graduated in 1861 and then completed a further Master of Arts degree.
He received his education at Trinity College, Glenalmond in Perthshire and then at Trinity College, Oxford. The brothers then owned and ran a sheep farm at Mount Possession in South Canterbury. When they bought the land, Walker was assigned some land in Riccarton.
He later gave the land away, so that a settlement for working-class people could be established.
Walker married Margaret Wilson the daughter of Archdeacon James Wilson. Walker was the first chairman of the Ashburton County Council from 1877 until 1893.
He represented the Ashburton electorate on the Canterbury Provincial Council in the 5th and 7th Council (14 June 1866 – 27 September 1867. 8 April 1874 – 31 October 1876).
Walker then represented the Ashburton electorate in Parliament from 1884 to 1890, when he was defeated.
He was appointed to the Legislative Council by the Liberal Government on 15 October 1892. He was reappointed on 15 October 1899. While he was a minister, he mostly lived in Wellington.
Walker ended his career as the Speaker of the Legislative Council from 9 July 1903 until his death.
Walker died on 5 January 1904 and was buried three days later at Sydenham Cemetery.
He was a member of the Executive Council (20 February 1896 – 23 June 1903), Minister of Immigration (2 March 1896 – 20 June 1903) and Minister of Education (11 March 1896 – 20 June 1903). He was a member of the Board of Governors of Canterbury College. As a member of the cabinet, he was instrumental in passing the act that provided for the separation of the Agricultural College from the college proper.
He was a member of the Land Board of Canterbury from 1891 until 1896.