Wikipedia:Canadian Wikipedians' notice board/Dictionary of Canadian Biography/O
O'
edit- Eugene Francis O'Beirne [1]
- Cornelius O'Brien (bishop) - verified
- Dennis O'Brien (merchant) [2]
- Edward George O'Brien
- John O'Brien (1790-1855)
- John Daniel O'Connell O'Brien
- Laurence O'Brien - verified
- Lucius James O'Brien
- Lucius Richard O'Brien - verified
- Michael J O'Brien
- Sir John Terence Nicholls O'Brien - verified
- Gregory O'Bryan
- Edmund Bailey O'Callaghan - verified
- Denis O'Connor - verified
- John O'Connor (Canadian politician) - verified
- William Joseph O'Connor - verified
- James Louis O'Donel - verified
- James O'Donnell (architect) - verified
- Daniel John O'Donoghue - verified
- William Bernard O'Donoghue - verified
- Standish O'Grady (poet) [3]
- William John O'Grady - verified
- Edward O'Hara (Canadian politician) - verified
- Felix O'Hara
- Walter O'Hara - verified
- Timothy O'Hea - verified
- Cornelius O'Keefe
- Eugene O'Keefe - verified
- Henry O'Leary - verified
- Frederick Augustus O'Meara
- James Edward O'Neill
- John O'Neill (Fenian) - verified
- Terence Joseph O'Neill
- Charles O'Reilly
- Gerald O'Reilly
- Hugh O'Reilly (Nova Scotia) [4]
- James O'Reilly - verified
- Peter O'Reilly - verified
- Louis O'Soup
- Dennis Ambrose O'Sullivan
- Michael O'Sullivan (lawyer) [5]
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edit- Joseph Obalski- verified
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edit- Charles Richard Ogden - verified
- Peter Skene Ogden - verified
- Uzziel Ogden
- Louis Ogenheratarihiens
- Pierre Oger
- Alexander Walker Ogilvie - verified
- James Ogilvie (military) [6]
- John Ogilvie (clergyman) [7]
- William Watson Ogilvie - verified
- Ogimauh-Binaessih - verified
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edit- David Oppenheimer - verified
Or
edit- Jean Orillat - verified
- James Orkney
- Oronhyatekha - verified
- Orontony - verified
- Wesley Fletcher Orr - verified
Os
edit- Elizabeth Osborn (midwife) [8]
- Henry Osborn (Newfoundland governor)
- Mary Osborn
- Sherard Osborn - verified
- Sir Danvers Osborn - verified
- Thaddeus Osgood - verified
- William Osgoode - verified
- Britton Bath Osler - verified
- Featherstone Lake Osler
- Sir William Osler - verified
- Frédéric-M.-F. Ossaye
- John Ostell - verified
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edit- Otreouti
- Sir William Dillon Otter - verified
- Ottrowana
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edit- David Owen (judge) - verified
- Elizabeth Lee Owen
- Lemuel Cambridge Owen - verified
- William Owen (naval officer) - verified
- William Fitz William Owen
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edit- Ashton Oxenden - verified
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