The 1870 electoral redistribution was undertaken by a parliamentary select committee based on population data from the 1867 New Zealand census.
[2] Settlements located in the initial electorate area were Westport, Inangahua Junction, and Reefton.
[3] For the 1879 election, polling booths were in Westport, Charleston, Brighton, Addison's, Waimangaroa, Inangahua Junction, Lyell, and Karamea.
[10] O'Conor, who joined the Liberal Party, was beaten in 1893 election by Roderick McKenzie.
[14] From 1919 the Buller electorate was represented by two radical trade unionists from the coal mines of the West Coast, Harry Holland and Paddy Webb.