| Name | Birth date | Marriage date | Death date |
| Oakes, Brian | March 29, 1955 | ||
| Oakes, Garth | December 25, 1953 | ||
| Oakes, Gary | September 22, 1958 | ||
| Oakes, Stanley | |||
| Oakes, Susan | August 27, 1960 | ||
| Oakley, Andrew Myles | July 27, 1986 | ||
| Oakley, Colin David | September 16, 1981 | ||
| Oakley, Cory Michael | April 26, 1974 | ||
| Oakley, Ian Douglas | July 27, 1986 | ||
| Oakley, Malcolm | January 28, 1945 | June 28, 1969 | |
| Oakley, Shannon Marie | November 12, 1975 | ||
| Oaks, Hanford | October 30, 1842 | ||
| Oberberry, Mary Edna | |||
| Oberlin, Ashley May | June 11, 1983 | ||
| Oberlin, Katelyn Emily | April 29, 1985 | ||
| Oberlin, Kenneth Curry | |||
| Oberlin, Timothy Ian Edward | October 13, 1959 | January 23, 1982 | |
| Obleman, Ella | |||
| Obleman, Joseph | |||
| Obleman, Laura | |||
| Obleman, Louise | |||
| O'Brian, Robert | |||
| O'Brian, Unknown | |||
| O'Brien, Catherine | December 09, 1898 | ||
| O'Brien, Erica | Abt. 1974 | ||
| O'Brien, Heather Joan | January 6, 1965 | March 24, 1984 | |
| O'Brien, Jordan Paul | July 4, 1986 | ||
| O'Brien, Lauren Michelle | December 20, 1985 | ||
| O'Brien, Leonard Allan | April 18, 1960 | October 22, 1983 | |
| O'Brien, Lindsey Michelle | March 8, 1988 | ||
| O'Brien, Mary Rose | August 26, 1891 | ||
| O'Brien, Michael Gerard | October 6, 1984 | ||
| O'Brien, Michael Philip | November 8, 1961 | ||
| O'Brien, Paul Edward | June 19, 1982 | ||
| O'Brien, Philip Thomas | January 31, 1927 | January 1, 1960 | |
| O'Brien, Rosaline | July 12, 1980 | ||
| O'Brien, Sandra Kathleen | April 4, 1963 | ||
| O'Brien, Thomas | Abt. 1948 | Abt. 1972 | |
| O'Brine, Dawn | July 3, 1973 | ||
| O'Brine, Doris | |||
| O'Brine, Roger | |||
| O'Bryne, Robert | |||
| Ochlmann, Lena | March 25, 1922 | April 25, 1905 | |
| O'Connell, Bridget Ellen | May 1833 | December 14, 1906 | |
| O'Conner, Agnes | |||
| O'Conner, Cecelia | March 16, 1905 | February 27, 1922 | June 2, 1905 |
| O'Connor, Adrian | June 7, 1905 | ||
| O'Connor, Caroline Elizabeth | September 17, 1846 | ||
| O'Connor, Charles F. | |||
| O'Connor, Donald | October 5, 1985 | ||
| O'Connor, Erin | May 30, 1905 | ||
| O'Connor, Heather | May 28, 1905 | ||
| O'Connor, Maureen | January 26, 1951 | ||
| O'Connor, Paige | June 10, 1905 | ||
| O'Connor, Peggy | October 19, 1957 | ||
| O'Connor, Ronald Bruce | October 4, 1947 | ||
| Oddie, Viola | |||
| O'Dell, Fanny ("Peggy") Purseglove | July 12, 1912 | June 30, 1931 | |
| O'Donnell, Alice | |||
| O'Donnell, Brian | |||
| O'Donnell, Catharine | |||
| O'Donnell, Christine | |||
| O'Donnell, Edgar | |||
| O'Donnell, Florence | |||
| O'Donnell, Mary | |||
| O'Donnell, Neil | |||
| O'Donnell, Patrick | |||
| O'Donnell, Patrick | |||
| O'Donnell, William | |||
| O'Donohue, Maureen | August 28, 1976 | ||
| O'Farrel, Mavourneen Gay | February 21, 1976 | ||
| Offerman, Gretchen | November 04, 1518 | ||
| Offerman, Otto | |||
| Offspring, Mary | |||
| O'Flaherty, Leila May | |||
| O'Flaherty, Tracey | |||
| Ogden, Archie | |||
| Ogden, Eliza | December 24, 1904 | ||
| Ogden, William | |||
| Ogilbee, Helen M. | December 17, 1911 | April 11, 1934 | January 3, 1983 |
| Ogilve, Gaye | |||
| Ogilvie, Betty | |||
| Ogilvie, James M. | June 27, 1950 | January 28, 1976 | |
| Oglesby, Charles | |||
| Oglesby, Howard William | July 25, 1944 | September 4, 1971 | April 2, 1998 |
| Oglesby, Nathan William | April 5, 1980 | ||
| Oglesby, Stephen Charles | May 16, 1977 | ||
| O'Gorman, Harry | Abt. 1889 | June 14, 1920 | |
| O'Gorman, Patricia May | March 24, 1921 | ||
| Ogren, Doris | March 26, 1933 | ||
| Ogrodnick, Lee Dianne | |||
| Ogrodnick, Paul | |||
| Ogston, Elizabeth | |||
| O'Hagen, Brent Martin | March 21, 1982 | ||
| O'Hagen, Roland | May 25, 1905 | ||
| O'Hagen, Shem Aaron | May 1, 1972 | ||
| Ohirko, Bryan | December 30, 1956 | December 29, 1984 | |
| Ohirko, Matt David | October 10, 1988 | ||
| Ohirko, Tess Mercedes | September 18, 1990 | ||
| Ohirko, Will Brennan | August 8, 1985 | ||
| Oill, Adaline | |||
| Ojeda, Judith Rose | May 16, 1940 | February 1, 1960 | |
| Oke, Isaac H. | February 19, 1905 | ||
| O'Keefe, Mary (Carrie) | Abt. 1862 | December 18, 1898 | |
| Olafson, Cathy Rae | September 22, 1970 | ||
| Olafson, Corrie Lee | September 22, 1970 | ||
| Olafson, Karen Dawn | January 2, 1960 | May 18, 1984 | |
| Olafson, Lennard Oscar | September 30, 1933 | March 8, 1958 | |
| Olafson, Lori Lynette | September 10, 1958 | September 1, 1978 | |
| Olafson, Scott Lennard | May 28, 1968 | ||
| Olah, Steven | December 24, 1938 | ||
| Olah, Steven Robert | February 11, 1961 | ||
| Olah, William Leslie | January 29, 1964 | ||
| Olchowy, Angila | |||
| Olds, Gwendolyn Marie | April 29, 1905 | ||
| Oldum, Roger | April 21, 1905 | ||
| Oleson, Eric | |||
| Olham, Jay | |||
| Olham, Nathan | January 26, 1975 | ||
| Olhisery, Matthew Allen | March 20, 1981 | ||
| Olhisery, Unknown | March 20, 1981 | ||
| Oliphant, Amelia | |||
| Olive, Lila | December 8, 1938 | ||
| Oliver, Ada Amelia | February 15, 1905 | April 4, 1905 | |
| Oliver, Adda Agnes Irene | February 28, 1905 | March 1, 1905 | |
| Oliver, Agnes "Adda" | September 22, 1854 | December 31, 1879 | |
| Oliver, Alexander | |||
| Oliver, Alexander McLoud | June 30, 1866 | January 3, 1921 | August 1, 1946 |
| Oliver, Allan | April 7, 1905 | ||
| Oliver, Barbara | |||
| Oliver, Bessie | June 5, 1900 | ||
| Oliver, Carol Marie-Ann | April 7, 1938 | August 13, 1955 | |
| Oliver, Caroline Margaret | July 28, 1945 | ||
| Oliver, Catherine Laura | |||
| Oliver, Clarence | March 26, 1905 | May 18, 1905 | |
| Oliver, Colleen | |||
| Oliver, Douglas Keith | April 12, 1905 | ||
| Oliver, Frances Ethel | December 22, 1889 | May 27, 1905 | |
| Oliver, Frances Mary | August 06, 1858 | ||
| Oliver, Francis | March 14, 1905 | February 14, 1916 | |
| Oliver, Francis Robert | February 2, 1917 | ||
| Oliver, Frederick | May 8, 1905 | ||
| Oliver, George | |||
| Oliver, George Wilfred | July 28, 1884 | May 21, 1905 | |
| Oliver, Henry Weylie | March 21, 1889 | ||
| Oliver, Hilda Marie | June 22, 1921 | March 14, 1923 | |
| Oliver, Howard | |||
| Oliver, Isaac Weylie | October 01, 1860 | June 1, 1959 | |
| Oliver, James Howard | March 28, 1905 | May 26, 1905 | |
| Oliver, Jane | March 07, 1851 | September 18, 1920 | |
| Oliver, John | January 28, 1905 | April 3, 1905 | |
| Oliver, John "Stewart" | February 24, 1895 | ||
| Oliver, John ("Jack") | October 25, 1923 | October 9, 1943 | |
| Oliver, John Wallace | October 25, 1852 | February 14, 1883 | April 9, 1939 |
| Oliver, Kenneth Lyle | Abt. 1916 | March 20, 1962 | |
| Oliver, Lawrence Edwin | August 3, 1901 | ||
| Oliver, Lorne Weylie | July 15, 1915 | ||
| Oliver, Margaret | July 31, 1856 | ||
| Oliver, Marlene | |||
| Oliver, Matthew | May 12, 1905 | ||
| Oliver, Nellie Jenetta | June 28, 1891 | October 08, 1896 | |
| Oliver, Norman | March 28, 1905 | March 30, 1905 | |
| Oliver, Ralph | |||
| Oliver, Robert | |||
| Oliver, Robert LeRoy | June 22, 1940 | ||
| Oliver, Robert Wallace | November 15, 1822 | May 17, 1850 | February 08, 1881 |
| Oliver, Robert Wightman | September 22, 1863 | ||
| Oliver, Ruth | |||
| Oliver, Susan | May 14, 1905 | ||
| Oliver, W. Ray | Abt. 1918 | June 18, 1905 | |
| Oliver, Wallace Lloyd | April 5, 1905 | May 27, 1905 | |
| Oliver, Willard | March 22, 1898 | ||
| Oliver, William Lyle | March 09, 1896 | June 3, 1905 | |
| Oliver, William Wallace | |||
| Olliver, Nettie | |||
| Olm, Evelyn Eileen | November 10, 1938 | ||
| Olm, Linda Marie | December 10, 1999 | December 7, 1974 | |
| Olmstead, Ada | |||
| Olmstead, Adeline Louise | |||
| Olmstead, Albert | March 4, 1905 | May 15, 1905 | |
| Olmstead, Andrew Thomas | November 13, 1827 | March 24, 1901 | |
| Olmstead, Benjamin | |||
| Olmstead, Bertha | |||
| Olmstead, Charles | |||
| Olmstead, Ebenezer | October 13, 1904 | January 17, 1779 | |
| Olmstead, Edward | |||
| Olmstead, Ephraim | |||
| Olmstead, Esther | May 06, 1815 | March 12, 1834 | June 27, 1902 |
| Olmstead, Frank | |||
| Olmstead, Gracia | |||
| Olmstead, Harriet | |||
| Olmstead, Hattie | |||
| Olmstead, Ingersoll | |||
| Olmstead, Ira | |||
| Olmstead, Jacob | |||
| Olmstead, James Gage | |||
| Olmstead, Jennie | |||
| Olmstead, Kate | |||
| Olmstead, Lawrence | |||
| Olmstead, Lillie | |||
| Olmstead, Louisa | |||
| Olmstead, Maria | |||
| Olmstead, Marietta | July 10, 1832 | January 11, 1854 | |
| Olmstead, Mary | Abt. 1833 | January 27, 1905 | |
| Olmstead, Matilda | |||
| Olmstead, Mildred A. | April 3, 1905 | ||
| Olmstead, Minnie | |||
| Olmstead, Morse ("Moss") | April 13, 1830 | December 13, 1914 | |
| Olmstead, Morse ("Moss") | |||
| Olmstead, Nancy | |||
| Olmstead, Nancy | November 11, 1822 | August 07, 1852 | |
| Olmstead, Oliver | |||
| Olmstead, Russell | December 08, 1780 | December 29, 1810 | August 20, 1844 |
| Olmstead, Russell | April 12, 1825 | ||
| Olmstead, Samuel Nash | April 11, 1820 | February 23, 1905 | |
| Olmstead, Sarah | |||
| Olmstead, Stephen | |||
| Olmstead, Susan Gage | March 26, 1812 | April 07, 1898 | |
| Olmstead, William | |||
| Olmstead, William | |||
| Olmstead, William | |||
| Olmstead, William Edmund | |||
| Olmstead, William Ira | January 04, 1818 | ||
| Olney, Clara | |||
| Olney, Clara Lavinia | November 3, 1951 | ||
| O'Loane, James | |||
| Olsen, James | |||
| Olsen, James | March 9, 1954 | ||
| Olsen, Mark | May 19, 1957 | ||
| Olsen, Muriel Cecelia | June 18, 1936 | April 11, 1958 | |
| Olsen, Sharon | August 1, 1970 | ||
| Olsen, Sheila | |||
| Olson, Alfred | |||
| Olson, Alvin | April 9, 1905 | December 1, 1979 | |
| Olson, David Raymond | July 30, 1988 | ||
| Olson, Denver | |||
| Olson, Douglas | |||
| Olson, James | |||
| Olson, Larry | |||
| Olson, Loren | |||
| Olson, Robert | |||
| Olson, Stella Christine | |||
| Olson, Unknown | |||
| Olson, William | |||
| Olszewki, Gordon Fraser | June 5, 1990 | ||
| Olszewki, Lauren King | December 21, 1986 | ||
| Olszewki, Richard | February 4, 1944 | July 7, 1984 | |
| Olynic, Evelyn | June 18, 1905 | ||
| O'Malley, Helena ("Lena") | October 12, 1890 | March 18, 1905 | January 26, 1971 |
| O'Malloy, Patti-Ann | August 30, 1986 | ||
| Omas, Steven | December 22, 1924 | ||
| Ombolt, Oliver | |||
| O'Meara, Joan Mary | |||
| O'Meara, John | |||
| O'Meara, Marian Jacqueline | |||
| Omestra, Shirlee | October 23, 1971 | ||
| O'Mullin, Moira | |||
| O'Neal, Hugh | January 01, 1824 | January 01, 1864 | December 31, 1890 |
| O'Neal, Isabella L. | November 29, 1869 | December 20, 1877 | |
| O'Neil, Brenda | |||
| O'Neil, David | |||
| O'Neil, Jack | |||
| O'Neil, Jacquelyn | |||
| O'Neil, Jennifer Leigh | July 13, 1972 | ||
| O'Neil, Lily | Abt. 1924 | May 17, 1905 | |
| O'Neil, Peggy | |||
| O'Neil, Robert "Bruce" | September 19, 1944 | August 26, 1967 | |
| O'Neil, Robert Bradley | August 22, 1970 | ||
| O'Neil, Unknown | Abt. 1920 | ||
| O'Neill, Arthur | September 30, 1916 | ||
| O'Neill, Barbara Joan | May 3, 1905 | ||
| Oneill, Gladys Catherine ("Kate") | |||
| O'Neill, Margaret Frances | |||
| O'Neill, Maureen | November 15, 1980 | ||
| O'Neill, Myrtle | |||
| Oneschuk, Gail | |||
| Ongara, David | |||
| Ongara, Rachael Marie | April 22, 1986 | ||
| Oostyen, Shirley Ann | June 7, 1961 | October 3, 1980 | |
| Opatousky, Frances | |||
| Oppenheimer, David Godfrey | September 24, 1938 | ||
| Oppenheimer, Nancy Catherine | March 18, 1941 | ||
| Oppertshauser, Orval Douglas | July 23, 1935 | April 20, 1963 | |
| Orandorff, Sally | November 27, 1948 | ||
| Orange, Ronald | |||
| Orbeck, Joanne | Abt. 1960 | ||
| Orbeck, Robert Frederick | Abt. 1928 | October 20, 1956 | |
| Orbeck, Wesley | Abt. 1958 | ||
| O'Reilly, Helen | |||
| O'Reilly, Katharine | May 23, 1905 | ||
| O'Reilly, Mary Ann | June 12, 1826 | ||
| Orford, Dorcas | |||
| Orford, William Sidney | |||
| Orlando, Virginia | July 5, 1973 | ||
| Orlean, Unknown | |||
| Orlowski, Elizabeth Catherine | December 8, 1975 | ||
| Orlowski, Wolfegang | |||
| Orm, Linda | |||
| Orme, Ernest | May 23, 1905 | ||
| Orme, Jay | May 27, 1955 | December 17, 1977 | |
| Ormsbee, Tammy Lea | May 30, 1968 | ||
| Ormsbee, Thomas | |||
| Orosz, Alexander | May 5, 1933 | July 25, 1959 | |
| Orosz, Joly Ann Lorena | January 2, 1968 | ||
| Orosz, Perry George | January 27, 1962 | ||
| Orosz, Randall Alexander | February 24, 1960 | ||
| Orr, Andrew George | November 01, 1864 | April 13, 1887 | March 31, 1905 |
| Orr, Billy | |||
| Orr, Jessie Maude | August 07, 1883 | September 16, 1914 | January 1, 1937 |
| Orr, Kathy | |||
| Orr, Lady Ellen | December 8, 1904 | < |