Background
Born in Perthshire, Scotland, the son of Adam Fergusson and his first wife Jemima Johnston Blair, he immigrated to Upper Canada with his family in 1833.
Born in Perthshire, Scotland, the son of Adam Fergusson and his first wife Jemima Johnston Blair, he immigrated to Upper Canada with his family in 1833.
He was called to the bar of Upper Canada in 1839 and set up practice in Guelph. He was named a judge in the court for Wellington District in 1842. He resigned from the bench to run as a Reform Party candidate in the general election of 1847.
He was elected to the Legislative Assembly of the Province of Canada for the riding of Waterloo and reelected in 1851.
He represented the South riding of Wellington from 1854 to 1857. In 1860, he was elected to the Legislative Council for Brock division.
He served as receiver general from March to May 1863, when he was named provincial secretary. He supported the Quebec resolutions in the legislative council and, in 1866, was named president of the executive council after the resignation of George Brown.
Following Canadian Confederation, he was appointed to the Canadian Senate on 23 October 1867 by a royal proclamation of Queen Victoria Sitting as a Liberal, he represented the senatorial division of Ontario until his death, only 2 months and six days after his appointment.