| Name | Birth | Death |
| OBEE, Percy Neville | 1914 - | 1997 - AB |
| OBERHAMMER, Don | 1939 - | 2004 - AB |
| (O'Connor), Audrey Margarite LEINWEBER | 1920 - AB | 2009 - AB |
| O'CONNOR, Mary Eileen (Agar) | 1946 - ON | 2004 - AB |
| ODENBACH, Ida (Knodel) STEHR | 1920 - AB | 2011 - AB |
| (Odenbach), Martha HEHR | 1911 - AB | 2003 - AB |
| (Odenback), Gladys Violet BETKER | 1933 - AB | 2011 - AB |
| ODIN, John Peter | 1903 - SP | 1997 - AB |
| (Oestreich), Katharina Maria MICHEL | 1854 - Russia | 1900 - WA, USA |
| (Ohlhauser), Aleada BECKER | 1922 - AB | 2007 - AB |
| OHLHAUSER, Alvina (Schock) | 1917 - Odessa | 2005 - AB |
| OHLHAUSER, Earl | 1923 - | 2010 - AB |
| OHLHAUSER, Hannah (Lebsack) | 1923 - | 2009 - BC |
| (Ohlhauser), Jo Ann MARTIN | 1937 - AB | 2005 - AB |
| OHLHAUSER, Sally | 1917 - | 2010 - AB |
| OHLMAN, Ambrose “Andy” Francis | 1929 - | 2009 - AB |
| OHLMAN, Audrey (Leonard) SWARTZ | 1928 - QC | 2003 - AB |
| OLESEN, Ruth (Fisher) | 1938 - AB | 2003 - AB |
| OLFERT, Abram “Abe” | 1925 - SK | 2006 - SK |
| (Olfert), Agatha NEUFELDT | 1919 - SK | 2007 - SK |
| OLFERT, David Arthur | - | 2004 - SK |
| (Olfert), Dora WAGNER PHOENIX | 1949 - SK | 2007 - SK |
| (Olfert), Eileen D. MARKLEVITZ | - | 2004 - AB |
| OLFERT, Elisabeth (Wiebe) | 1915 - SK | 2007 - SK |
| (Olfert), Elizabeth J. BRAUN | 1916 - SK | 2006 - SK |
| OLFERT, Frieda K. (Peters) | 1928 - SK | 2007 - SK |
| OLFERT, Helen | 1930 - SK | 2008 - SK |
| (Olfert), Helena REIMER | 1906 - SK | 2005 - SK |
| (Olfert), Katherine UNRAU | 1918 - SK | 2003 - AB |
| OLFERT, Mary (Lesser) | 1919 - SK | 2009 - SK |
| (Olfert), Sarah WIEBE | 1914 - | 2003 - AB |
| (Oliphant), Lynn BROWN | 1954 - | 2004 - AB |
| OLIVER, Madeline (Budd) | 1912 - SK | 2004 - AB |
| (O'Loughlin), Patricia “Pat” KUAFMAN | 1920 - MN, USA | 2004 - CO, USA |
| (Olson), Edna Mildred BROWN | 1923 - | 2004 - AB |
| (Olson), Helen Nordis GERRISH | 1924 - SK | 2008 - AB |
| (Olson), Nora Kristina (Larson) RIFFEL | 1920 - SK | 2006 - SK |
| (Omoe), Lorraine Ellen Anne STANG | 1933 - | 2007 - AB |
| O'NEIL, Lydia (Helmer) | 1921 - SK | 2005 - AB |
| ONESCHUK, Margaret Clara (Stang) | 1936 - | 2003 - AB |
| OOMS, Frieda (Schafer) HOUGHTON | 1918 - AB | 2001 - AB |
| OPPERMAN, Martha (Frank) | 1920 - AB | 2011 - AB |
| ORCUTT, Margaret (Penner) FUNK | 1931 - | 2009 - AB |
| ORLICK, “Evie” Yvonne (Shenfield) GIESBRECHT | 1958 - | 2003 - AB |
| (Orme), Helen REIMER | 1926 - | 2006 - AB |
| (Osborne), Bertha Mildred ROHL | 1916 - AB | 2003 - AB |
| (Osler), Jessie Jean MacKAY | 1921 - AB | 2004 - AB |
| OSTER, Elsie Marie (Krueger) | 1918 - SK | 2002 - AB |
| OSTER, Ernestine (Rueb) | 1915 - SK | 2011 - AB |
| (Oster), Marjorie MATHIAS | 1922 - CO, USA | 2004 - CO, USA |
| OSTER, Norman Otto | 1944 - | 2010 - AB |
| OSTERBERG, Edna Charlotte (Kibblewhite) | 1943 - AB | 2003 - AB |
| OSTERMANN, Olga (Kautz) | 1910 - AB | 2006 - AB |
| OSTERTAG, Wendelin Thomas | 1923 - SK | 2011 - SK |
| (Oswald), Laurie Allison PENNER | 1958 - | 2002 - BC |
| OTT, Alex | 1914 - CO, USA | 2002 - CO, USA |
| OTT, Alexander | 1908 - Russia | 1964 - AB |
| OTT, James “Jim” N. | 1944 - | 2010 - AB |
| OTT, Margaret | 1925 - | 2003 - AB |
| (OTT), Penelope Dahl | 1911 | 2003 - AB |
| OTT, Samuel Lawrence "Sammy" | 1920 - | 2004 - AB |
| (Ott), Susanna KONSCHUH | 1889 - Russia | 1980 - AB |
| (Otto), Elizabeth E. "Bettye" HOFFMAN | 1911 - IL, USA | 2004 - CO, USA |
| OTTO, Gertrude (Stober) | 1911 - Russia | 2011 - BC |
| OUDIL, Marie (Schneider) LYLE | 1916 - AB | 2010 - BC |
| (Outhwaite), Dorothy “Dolly” Jean SHIERMAN | 1930 - | 2006 - AB |
| (Overton), Mary Ann SCHOTT | 1940 - | 2003 - AB |
| (Owens), Janice Lorrain LUFT | 1930 - AB | 2009 - AB |
| OXLAND, Arvis Susan (Haberer) | 1927 - | 2004 - AB |
