O Lucius Richard O’Brien (1832-1899) Henry “Henno” Michael O’Connor (1891-1975) William Rudolph O’Donovan (1844-1920) (John) Neil O’Keeffe (1891-1968) Maria Richards (Oakey) Dewing (1845-1928) Joseph Occhipinti Jr (1938-2020) Leonard Ochtman (1854-1934) George Ferdinand Of Jr (1876-1954) Henry “Harry” Alexander Ogden (1856-1936) Annie Field Oliver (1867-1950) Zenowij Onyshkewych (1929-2018) Samuel Edmund Oppenheim (1901-1992) Louis Oram Sr (1852-1919) Robert G Orsini (1949-1987) Henry Willard Ortlip (1886-1964) Paul Daniel Ortlip (1926-2008) Charles Osborne (1847-1920) Edith C Blake Osborne (1847-1926) Margaret Osborne (1848-?) Richard “Dick” N Osborne (1930-2002) William Cheeseborough Ostrander (1858-1933) Maurice Ouradou (1822-1884)