(1814-1898), merchant. Born in Charlottenburgh Township, GC. He was a prosperous merchant at Dickinson’s Landing, Stormont County, west of Cornwall. He was warden of SDG for 1855. Elected MLA for Stormont in 1867, Colquhoun, a Conservative, was re-elected in 1871, but this time he was unseated, and in a by-election in 1872 he was defeated by James Bethune, who defeated him again at the Ontario general election of 1875. Later, Colquhoun moved to Cornwall, where he was mayor during several years in the early 1880s. He was married to Hester M. Bailey. He was a Presbyterian and a Presbyterian elder.

Harkness: index & 297 (two portraits) * Roderick Lewis 357