| Riding | Member | Party | First elected / previously elected | Comments |
| Addington | George Denison | Conservative | 1883 | | - |
| Algoma | Robert Adam Lyon | Liberal | 1878 | | - |
| Algoma East | Robert Adam Lyon | Liberal | 1878 | | - |
| Algoma West | James Conmee | Liberal | 1885 | elected June 26, 1885 | - |
| Brant | James Young | Liberal | 1879 | Treasurer and Commissioner of Agriculture in Mowat ministry from June 2 to November 2, 1883 | - |
| Brant South | Arthur Sturgis Hardy | Liberal | 1873 | Provincial Secretary and Registrar in Mowat ministry | - |
| Brockville | Christopher Finlay Fraser | Conservative | 1872 | Commissioner of Public Works in Mowat ministry | - |
| Bruce North | John Gillies | Independent-Liberal | 1883 | | - |
| Bruce South | Hamilton Parke O'Connor | Liberal | 1882 | | - |
| Cardwell | William Henry Hammell | Conservative | 1883 | | - |
| Carleton | George William Monk | Conservative | 1871 | | - |
| Cornwall | Alexander Peter Ross | Conservative | 1883 | | - |
| Dufferin | Robert McGhee | Conservative | 1883 | | - |
| Dundas | Andrew Broder | Conservative | 1875 | | - |
| Durham East | Charles Herbert Brereton | Conservative | 1882 | | - |
| Durham West | James Wellington McLaughlin | Liberal | 1879 | | - |
| Elgin East | Charles Oaks Ermatinger | Conservative | 1883 | | - |
| Elgin West | John Cascaden | Liberal | 1879 | | - |
| Essex North | Solomon White | Conservative | 1878 | | - |
| Essex South | William Douglas Balfour | Liberal | 1882 | | - |
| Frontenac | Henry Wilmot | Conservative | 1883 | | - |
| Glengarry | James Rayside | Liberal | 1882 | | - |
| Grenville South | Frederick John French | Conservative | 1879 | | - |
| Grey East | Abram William Lauder | Conservative | 1867 | died February 20, 1884 | - |
| Grey East | Neil McColman | Conservative | 1884 | elected March 18, 1884 | - |
| Grey North | David Creighton | Conservative | 1875 | | - |
| Grey South | John Blythe | Conservative | 1883 | | - |
| Haldimand | Jacob Baxter | Liberal | 1867 | | - |
| Halton | William Kerns | Conservative | 1883 | | - |
| Hamilton | John Morison Gibson | Liberal | 1879 | | - |
| Hastings East | William Parker Hudson | Conservative | 1883 | | - |
| Hastings North | Alpheus Field Wood | Conservative | 1883 | | - |
| Hastings West | Ephraim George Sills | Liberal | 1883 | | - |
| Huron East | Thomas Gibson | Liberal | 1871 | | - |
| Huron South | Archibald Bishop | Liberal | 1873 | | - |
| Huron West | Alexander McLagan Ross | Liberal | 1875 | Treasurer and Commissioner of Agriculture in Mowat ministry after November 2, 1883 | - |
| Kent East | Daniel McCraney | Liberal | 1875 | died February 28, 1885 | - |
| Kent East | Robert Ferguson | Liberal | 1885 | elected June 20, 1885 | - |
| Kent West | James Clancy | Conservative | 1883 | | - |
| Kingston | James Henry Metcalfe | Conservative | 1879 | | - |
| Lambton East | Peter Graham | Liberal | 1875 | | - |
| Lambton West | Timothy Blair Pardee | Liberal | 1867 | Commissioner of Crown Lands in Mowat ministry | - |
| Lanark North | William Clyde Caldwell | Liberal | 1872, 1879 | | - |
| Lanark South | William Lees | Independent | 1879 | | - |
Leeds North and Grenville North | Henry Merrick | Conservative | 1871 | | - |
| Leeds South | Robert Henry Preston | Conservative | 1875, 1883 | | - |
| Lennox | Alexander Hall Roe | Liberal | 1883 | died July 12, 1884 | - |
| Lennox | George Douglas Hawley | Liberal | 1879, 1884 | elected August 25, 1884 | - |
| Lincoln | Sylvester Neelon | Liberal | 1875, 1879 | | - |
| London | William Ralph Meredith | Conservative | 1872 | Leader of the Opposition | - |
| Middlesex East | Donald MacKenzie | Liberal | 1883 | | - |
| Middlesex North | John Waters | Liberal | 1879 | | - |
| Middlesex West | Alexander Johnston | Conservative | 1883 | unseated November 15, 1883 after an appeal | - |
| Middlesex West | George William Ross | Liberal | 1883 | elected December 14, 1883 Minister of Education in Mowat ministry after November 23, 1883 | - |
| Monck | Richard Harcourt | Liberal | 1879 | | - |
Muskoka and Parry Sound | Frederick G. Fauquier | Conservative | 1883 | unseated November 15, 1883 after an appeal | - |
Muskoka and Parry Sound | Jacob William Dill | Liberal | 1884 | elected July 23, 1884 | - |
| Norfolk North | John Bailey Freeman | Liberal | 1879 | | - |
| Norfolk South | William Morgan | Conservative | 1879 | | - |
| Northumberland East | James Marshall Ferris | Liberal | 1875 | | - |
| Northumberland West | Robert Mulholland | Conservative | 1883 | | - |
| Ontario North | Isaac James Gould | Liberal | 1883 | | - |
| Ontario South | John Dryden | Liberal | 1879 | | - |
| Ottawa | Patrick Baskerville | Conservative | 1879 | | - |
| Oxford North | Oliver Mowat | Liberal | 1872 | Premier and Attorney General in Mowat ministry | - |
| Oxford South | Adam Crooks | Liberal | 1871, 1875 | Minister of Education in Mowat ministry until November 23, 1883 resigned from legislative assembly February 14, 1884 | - |
| Oxford South | George Atwell Cooke | Liberal | 1884 | elected March 5, 1884 | - |
| Peel | Kenneth Chisholm | Liberal | 1873 | | - |
| Perth North | John George Hess | Conservative | 1883 | | - |
| Perth South | Thomas Ballantyne | Liberal | 1875 | | - |
| Peterborough East | Thomas Blezard | Liberal | 1879 | | - |
| Peterborough West | John Carnegie | Conservative | 1867, 1883 | | - |
| Prescott | Albert Peter Hagar | Liberal | 1881 | | - |
| Prince Edward | James Hart | Independent-Liberal | 1883 | | - |
| Renfrew North | Thomas Murray | Liberal | 1869, 1879, 1883 | | - |
| Renfrew South | John Francis Dowling | Liberal | 1883 | | - |
| Russell | Honoré Robillard | Liberal-Conservative | 1883 | | - |
| Simcoe East | Charles Alfred Drury | Liberal | 1882 | | - |
| Simcoe South | George Prevost McKay | Conservative | 1883 | | - |
| Simcoe West | Orson James Phelps | Liberal | 1883 | | - |
| Stormont | Joseph Kerr | Conservative | 1879 | | - |
| Toronto East | Alexander Morris | Conservative | 1879 | | - |
| Toronto West | Henry Edward Clarke | Conservative | 1883 | | - |
| Victoria North | John Fell | Conservative | 1883 | | - |
| Victoria South | Duncan John McIntyre | Liberal | 1883 | | - |
| Waterloo North | Elias Weber Bingeman Snider | Liberal | 1881 | | - |
| Waterloo South | Isaac Master | Liberal | 1877, 1882 | | - |
| Welland | James E. Morin | Liberal | 1883 | | - |
| Wellington Centre | Charles Clarke | Liberal | 1871 | Speaker | - |
| Wellington South | James Laidlaw | Liberal | 1879 | | - |
| Wellington West | Robert McKim | Liberal | 1867, 1879 | | - |
| Wentworth North | James McMahon | Liberal | 1875 | | - |
| Wentworth South | Nicholas Awrey | Liberal | 1879 | | - |
| York East | George Badgerow | Liberal | 1879 | | - |
| York North | Joseph Henry Widdifield | Liberal | 1875 | | - |
| York West | John Gray | Conservative | 1883 | | - |