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This volunteer genealogy project is still in progress. We do not yet have every name or every cemetery. Search results are compiled only from Canadian cemeteries that have been submitted to this project. Contributions are always welcome!

Name Cemetery
O'BRIEN, Mary Frances (Sister M. Annunciata)   1899-1989 St Peter's Cemetery, Middlesex County, ON
O'BRIEN, Mary G.   1910-1994 St Peter's Cemetery, Middlesex County, ON
O'BRIEN, Mary Hazel   1928-1942 Holy Name Roman Catholic Cemetery, Pictou County, NS
O'BRIEN, Mary J.   parent Hillside Memorial Cemetery, Portage la Prairie City, MB
O'BRIEN, Mary J.   1882-1969 St Anne Roman Catholic / Paroisse Sainte Anne Parish Cemetery, Essex County, ON
O'BRIEN, Mary J.   1910-1999 Westlawn Memorial Gardens & Edmonton Crematorium, Edmonton, AB
O'BRIEN, Mary Jean   ?-? St Alphonsus Roman Catholic Cemetery, Essex County, ON
O'BRIEN, Mary Joan   1931-1976 St Peter's Cemetery, Middlesex County, ON
O'BRIEN, Mary L (Duffy)   1916-2001 Clinton Cemetery, Huron County, ON
O'BRIEN, Mary L.   1886-1964 St Mary's Roman Catholic Cemetery, Essex County, ON
O'BRIEN, Mary L. (Scrimgeour)   1891-1961 Kincardine Cemetery, Bruce County, ON
O'BRIEN, Mary Lillian   ?-1963 Avondale Cemetery, Perth County, ON
O'BRIEN, Mary Loretta (Gavin)   1889-1971 St John's Roman Catholic Cemetery, Leeds County (now United Counties of Leeds & Grenville), ON
O'BRIEN, Mary Loretto   ?-1968 Avondale Cemetery, Perth County, ON
O'BRIEN, Mary M   1890-1955 Fairview Cemetery, Perth County, ON
O'BRIEN, Mary M.   1915-1970 Eastlawn Cemetery, Wentworth County, ON
O'BRIEN, Mary M.   1885-1940 St Peter's Cemetery, Middlesex County, ON
O'BRIEN, Mary M.   1834-1918 St Columba's Roman Catholic Cemetery, Renfrew County, ON
O'BRIEN, Mary M. (Dalton)   1918-2003 St Peter's Roman Catholic Cemetery, Huron County, ON
O'BRIEN, Mary M. (Dorcey)   1905-1985 St Peter's Cemetery, Middlesex County, ON
O'BRIEN, Mary M. (Parsons)   1944-2002 Bluewater Bronson Line / Emmanuel United Church / Zurich United Church Cemetery, Huron County, ON
O'BRIEN, Mary Margaret   1883-1959 St John The Baptist Roman Catholic Cemetery, Essex County, ON
O'BRIEN, Mary Ola   1915-1986 Saint Charles - Nativity Roman Catholic Cemetery, Cumberland County, NS
O'BRIEN, Mary Rhoda   1899-1944 St Columban Cemetery, Gatineau County, QC
O'BRIEN, Mary Rita   1919-1927 St Mary's Roman Catholic Cemetery, Essex County, ON
O'BRIEN, Mary Sophia   1798-1876 St Thomas Anglican (Shanty Bay) Cemetery, Simcoe County, ON
O'BRIEN, Mary Stella (Picard)   1886-1975 St Alphonsus Old RC Cemetery, Pontiac County, QC
O'BRIEN, Mary Thersa (Donovan)   1889-1912 St Emerence Catholic Cemetery, Sturgeon, AB
O'BRIEN, Mary W   1814-1891 Barrie Union Cemetery, Simcoe County, ON
O'BRIEN, Mathew   1848-1901 St Marys Cemetery, Perth County, ON
O'BRIEN, Mathilde   1869-1944 St Alphonsus Roman Catholic Cemetery, Essex County, ON
O'BRIEN, Matilda (Marshman)   1858-1941 Mount Brydges Cemetery, Middlesex County, ON
O'BRIEN, Matthew Edward   1907-1971 St Peter's Cemetery, Middlesex County, ON
O'BRIEN, Matthew F   1871-1954 Our Lady of Mercy Roman Catholic Cemetery, Lambton County, ON
O'BRIEN, Maude (O'Grady)   1886-1969 St Peter's Roman Catholic Cemetery, Huron County, ON
O'BRIEN, Maureen   1945-2005 Williamsburg Cemetery, Waterloo County, ON
O'BRIEN, Maurice Richard   1929-2015 Sunnyside Lawn Cemetery, Greater Vancouver Regional District, BC
O'BRIEN, May   1924-2011 Quesnel & District Cemetery, Cariboo Regional District, BC
O'BRIEN, Meribeth   ?-1952 St Mary's RC Cemetery, Pontiac County, QC
O'BRIEN, Mete E.   1905-1965 St Simon and St Jude Roman Catholic Cemetery, Essex County, ON
O'BRIEN, Mich.   St Malachy's RC Cemetery, Ontario County (now Durham Region), ON
O'BRIEN, Michael   1889-1895 St Paul's Old Cemetery, Kent County, ON
O'BRIEN, Michael   1849-1870 Our Lady of Mercy Roman Catholic Cemetery, Lambton County, ON
O'BRIEN, Michael   parent Holy Angels Cemetery, Elgin County, ON
O'BRIEN, Michael   1826-1901 Holy Angels Cemetery, Elgin County, ON
O'BRIEN, Michael   1868-1895 St Mary's RC Church Yard / St Mary Star of the Sea Cemetery, Peel County, ON
O'BRIEN, Michael   1864-1947 Sacred Heart Cemetery, Wellington County, ON
O'BRIEN, Michael   1852-1925 Our Lady of Mount Carmel Cemetery, Huron County, ON
O'BRIEN, Michael   1835-1893 St Peter's Cemetery, Middlesex County, ON
O'BRIEN, Michael   1934-1936 St Peter's Cemetery, Middlesex County, ON
O'BRIEN, Michael   1820-1890 Sacred Heart Pioneer / Kenilworth Pioneer Catholic Cemetery, Wellington County, ON
O'BRIEN, Michael   1868-1923 St Columban Cemetery, Gatineau County, QC
O'BRIEN, Michael   ?-1929 St John The Evangelist Cemetery, Pontiac County, QC
O'BRIEN, Michael   ?-1913 St Camillus RC Cemetery, Gatineau County, QC
O'BRIEN, Michael   1820-1866 St Michael's Roman Catholic Cemetery, Carleton County, ON
O'BRIEN, Michael   1852-1931 Avondale Cemetery, Perth County, ON
O'BRIEN, Michael   ?-1841 St Edouards Chapel Cemetery, Dorchester County, QC
O'BRIEN, Michael A., Master Mariner   1945-2007 L'Anse au Loup Cemetery, Straits, NL
O'BRIEN, Michael D., Sgt.   ?-1935 Beechwood Cemetery, Carleton County, ON
O'BRIEN, Michael Dennis   1937-1937 Beechwood Cemetery, Carleton County, ON
O'BRIEN, Michael Francis James   1963-2006 Forest Lawn Cemetery, Dufferin County, ON
O'BRIEN, Michael Gerald   1923-2005 Our Lady of Mount Carmel Cemetery, Huron County, ON
O'BRIEN, Michael J   1911-1998 St John The Evangelist Cemetery, Pontiac County, QC
O'BRIEN, Michael James   ?-1966 Pioneer Memorial Park / St John the Baptist RC Church Cemetery, Comox Strathcona Regional District, BC
O'BRIEN, Michael John   1875-1939 Mount Pleasant Cemetery, Middlesex County, ON
O'BRIEN, Michael Lawrence   ?-1964 Avondale Cemetery, Perth County, ON
O'BRIEN, Michael Leo   1894-1987 St Camillus RC Cemetery, Gatineau County, QC
O'BRIEN, Michael Patrick "Buck"   1940-1996 Parklawn Cemetery, Waterloo County, ON
O'BRIEN, Michel   spouse St John's Cemetery, Essex County, ON
O'BRIEN, Mildred   1901-1993 St Jean Marie Vianney Cemetery, Gatineau County, QC
O'BRIEN, Mildred M. (Hoffman)   1903-1972 Bluewater Bronson Line / Emmanuel United Church / Zurich United Church Cemetery, Huron County, ON
O'BRIEN, Mildrid H   ?-1909 St Brigid's Cemetery, Pontiac County, QC
O'BRIEN, Miles   1869-1877 St John's Cemetery, Essex County, ON
O'BRIEN, Milla E   1881-1957 Collingwood Presbyterian Cemetery, Simcoe County, ON
O'BRIEN, Miriam Isabel (Knowlton)   1895-1968 St Thomas Anglican (Shanty Bay) Cemetery, Simcoe County, ON
O'BRIEN, Monica Lea   1954-1954 West Branch Cemetery, Pictou County, NS
O'BRIEN, Muriel F.   1912-? Bell Gift Cemetery, Colchester County, NS
O'BRIEN, Murray J.   1906-1968 Hillside Memorial Cemetery, Portage la Prairie City, MB
O'BRIEN, Myrtle Margaret   ?-1925 St Peter's Cemetery, Middlesex County, ON
O'BRIEN, Nancy A.   1950-2007 Memory Gardens, Waterloo County, ON
O'BRIEN, Neil   1888-1969 Mount Calvary Roman Catholic / Wyoming Cemetery, Lambton County, ON
O'BRIEN, Neil   1930-2004 Kelowna Memorial Park Cemetery, Central Okanagan Regional District, BC
O'BRIEN, Neil I.   1935-1969 St Clement's Anglican Cemetery, St Andrews RM, MB
O'BRIEN, Nellie Bernadette   1908-1992 Cache Bay / Springer Cemetery, Nipissing District, ON
O'BRIEN, Nelson J.   1914-1996 St Alphonsus New RC Cemetery, Pontiac County, QC
O'BRIEN, Nicholas   memorial Westville Miner's Memorial, Pictou County, NS
O'BRIEN, Nicholas Charles   1905-1963 St Peter's Cemetery, Middlesex County, ON
O'BRIEN, Nora Elizabeth (O'Rourke)   1904-1986 Our Lady of Mount Carmel Cemetery, Huron County, ON
O'BRIEN, Nora G   1888-1967 Our Lady of Mercy Roman Catholic Cemetery, Lambton County, ON
O'BRIEN, Nora P (Larmond)   1901-1981 St John The Evangelist Cemetery, Pontiac County, QC
O'BRIEN, Norah   ?-1942 St Peter's Cemetery, Middlesex County, ON
O'BRIEN, Norah F   1884-1913 Roman Catholic Old / St Therese Cemetery, Timiskaming District, ON
O'BRIEN, Noreen   1932-1943 St Elizabeth of Hungary Cemetery, Pontiac County, QC
O'BRIEN, Olive M.   1898-1967 Dorchester Union Cemetery, Middlesex County, ON
O'BRIEN, Olive May   1897-1983 Bluewater Bronson Line / Emmanuel United Church / Zurich United Church Cemetery, Huron County, ON
O'BRIEN, Olla O.   1919-2005 Hillside Cemetery, Cumberland County, NS
O'BRIEN, Ollie (Pope)   1893-1961 The Pictou Cemetery Company / Haliburton Cemetery, Pictou County, NS
O'BRIEN, Orville Patrick   1926-2013 Pleasantdale Cemetery, Pleasantdale RM # 398, SK
O'BRIEN, Owen   spouse Troy Cemetery, Wentworth County, ON
O'BRIEN, Ozias   parent St Francis Xavier Cemetery, Hants County, NS
O'BRIEN, P   1840-1900 St Alphonsus Roman Catholic Cemetery, Essex County, ON
O'BRIEN, P.   1876-1938 Pleasant Street Municipal Cemetery, Thompson-Nicola Regional District, BC
O'BRIEN, P., O/S   1883-1936 St Mary's Roman Catholic Cemetery, Winnipeg City, MB
O'BRIEN, Pansy A. (Farrow)   1932-2013 St Peter's Cemetery, Wellington County, ON
O'BRIEN, Pat   1891-1940 Military Old Cemetery, Sherwood RM # 159, SK
O'BRIEN, Patricia   1948-1999 Mount Calvary Roman Catholic / Wyoming Cemetery, Lambton County, ON
O'BRIEN, Patricia   1915-1991 Civic Memorial / Minnow Lake Cemetery, Sudbury District, ON
O'BRIEN, Patricia M.   1948-2012 Parklawn Cemetery, Waterloo County, ON
O'BRIEN, Patricia M.   1928-1999 St Peter's Cemetery, Middlesex County, ON
O'BRIEN, Patrick   1896-1956 St Boniface Roman Catholic Cemetery / Cimetiere de St Boniface, Winnipeg City, MB
O'BRIEN, Patrick   1926-2002 Our Lady of Mercy Roman Catholic Cemetery, Lambton County, ON
O'BRIEN, Patrick   1949-1958 Holy Angels Cemetery, Elgin County, ON
O'BRIEN, Patrick   1837-1902 Methodist Old Cemetery, Huron County, ON
O'BRIEN, Patrick   1827-1908 St Marys Cemetery, Perth County, ON
O'BRIEN, Patrick   1831-1894 Hensall Union Cemetery, Huron County, ON
O'BRIEN, Patrick   1800-1889 Victoria Lawn / St Catharines Cemetery, Lincoln County, ON
O'BRIEN, Patrick   spouse Victoria Lawn / St Catharines Cemetery, Lincoln County, ON
O'BRIEN, Patrick   18?4 Victoria Lawn / St Catharines Cemetery, Lincoln County, ON
O'BRIEN, Patrick   1839-1897 Mary Immaculate Roman Catholic Old Cemetery, Bruce County, ON
O'BRIEN, Patrick   spouse St Emerence Catholic Cemetery, Sturgeon, AB
O'BRIEN, Patrick   1867-1943 Sacre Coeur / Sacred Heart RC Cemetery, Wainwright, AB
O'BRIEN, Patrick   1926-2009 St Mary's / Roman Catholic Cemetery, Calgary, AB
O'BRIEN, Patrick   1878-1903 Notre Dame Cemetery, Gatineau County, QC
O'BRIEN, Patrick   ?-1901 St Elizabeth of Hungary Cemetery, Pontiac County, QC
O'BRIEN, Patrick   ?-1899 Holy Cross Cemetery, Halifax County, NS
O'BRIEN, Patrick   1823-1881 St Columba's Roman Catholic Cemetery, Renfrew County, ON
O'BRIEN, Patrick Francis   1892-1892 Avondale Cemetery, Perth County, ON
O'BRIEN, Patrick J   1945-1995 Sanctuary Park Cemetery, Bruce County, ON
O'BRIEN, Patrick J   1845-1919 Avondale Cemetery, Perth County, ON
O'BRIEN, Patrick John   1876-1943 Cache Bay / Springer Cemetery, Nipissing District, ON
O'BRIEN, Patrick Kearns   1916-1989 Cache Bay / Springer Cemetery, Nipissing District, ON
O'BRIEN, Patrick, Rev   1857-1890 St John's Roman Catholic Cemetery, Leeds County (now United Counties of Leeds & Grenville), ON
O'BRIEN, Patrick, Rev   1857-1890 St John's Roman Catholic Cemetery, Leeds County (now United Counties of Leeds & Grenville), ON
O'BRIEN, Paula, Sr.M.   ?-1922 Mount Hope Cemetery, York County, ON
O'BRIEN, Pauline   1888-1945 St John's Roman Catholic Cemetery, Leeds County (now United Counties of Leeds & Grenville), ON
O'BRIEN, Pauline   1947-2010 Beechwood Cemetery, Carleton County, ON
O'BRIEN, Pearl   1897-1953 St Alphonsus Roman Catholic Cemetery, Essex County, ON
O'BRIEN, Pearl   ?-1961 Holy Angels Cemetery, Elgin County, ON
O'BRIEN, Percy   1931-1993 Maniwaki 3 / Assumption RC Cemetery, Gatineau County, QC
O'BRIEN, Percy, Bombadier   1918-1985 Canyon View Cemetery, Okanagan-Similkameen Regional District, BC
O'BRIEN, Perry Garnet   1958-1983 Hilly Grove Cemetery, Manitoulin District, ON
O'BRIEN, Peter   spouse St John's Roman Catholic Cemetery, Leeds County (now United Counties of Leeds & Grenville), ON
O'BRIEN, Peter   1824-1907 St John's Roman Catholic Cemetery, Leeds County (now United Counties of Leeds & Grenville), ON
O'BRIEN, Peter   1829-1881 Saint Patrick's Catholic Church and Cemetery, Saint John County, NB
O'BRIEN, Peter   spouse St Alphonsus Old RC Cemetery, Pontiac County, QC
O'BRIEN, Peter   1902-1978 Beechwood Cemetery, Carleton County, ON
O'BRIEN, Peter B., Private   ?-1971 St John The Evangelist Cemetery, Pontiac County, QC
O'BRIEN, Peter Joseph   1957-2012 Hanover New Cemetery, Grey County, ON
O'BRIEN, Phem Simpson   Collingwood Presbyterian Cemetery, Simcoe County, ON
O'BRIEN, Philip Angus   1930-1930 Pleasantdale Cemetery, Pleasantdale RM # 398, SK
O'BRIEN, Prudentia, M.M.   ?-1948 Mount Hope Cemetery, York County, ON
O'BRIEN, R. Beverley   1929-2002 Stokes Bay Cemetery, Bruce County, ON
O'BRIEN, Rachel (Groulx)   1904-1963 Maniwaki 1 / Assumption RC Cemetery, Gatineau County, QC
O'BRIEN, Rachel L.   1922-2008 Lunnford Cemetery, Barrhead, AB
O'BRIEN, Ralph, Gnr.   ?-1922 Beechwood Cemetery, Carleton County, ON
O'BRIEN, Raphael J.   1905-1985 Avondale Cemetery, Perth County, ON
O'BRIEN, Ray   1916-1985 St Alphonsus New RC Cemetery, Pontiac County, QC
O'BRIEN, Raymond   1921-2000 St Malachie Cemetery, Dorchester County, QC
O'BRIEN, Raymond   1940-1965 Saint Bernard / St Thomas Roman Catholic Cemetery, Carleton County, ON
O'BRIEN, Raymond B.   1913-2004 Holy Name Roman Catholic Cemetery, Pictou County, NS
O'BRIEN, Raymond F.   1945-1999 Williamsburg Cemetery, Waterloo County, ON
O'BRIEN, Redempta, M.M.   ?-1960 Mount Hope Cemetery, York County, ON
O'BRIEN, Reginald R   1886-1939 Collingwood Presbyterian Cemetery, Simcoe County, ON
O'BRIEN, Rene Fae   1920-1999 St Alphonsus Roman Catholic Cemetery, Essex County, ON
O'BRIEN, Renee   1963-2009 St Sylvestre RC Cemetery, Lotbiniere County, QC
O'BRIEN, Renee A.   1932-1999 St Peter's Cemetery, Middlesex County, ON
O'BRIEN, Reta   1912-1993 Woodland Cemetery, Middlesex County, ON
O'BRIEN, Rhea L. (Whitehead)   1908-1993 Avondale Cemetery, Perth County, ON
O'BRIEN, Rhoda   ?-1944 St Columban Cemetery, Gatineau County, QC
O'BRIEN, Richard "Dickie"   1927-1935 St Mary's Roman Catholic Cemetery, Essex County, ON
O'BRIEN, Richard W.   ?-1967 Holy Name Roman Catholic Cemetery, Pictou County, NS
O'BRIEN, Rita   ?-1993 St Peter's Cemetery, Middlesex County, ON
O'BRIEN, Rita M.   1922-2000 Beechwood Cemetery, Carleton County, ON
O'BRIEN, Robert   1892-1918 St John's Cemetery, Essex County, ON
O'BRIEN, Robert   1895-1969 Evergreen Memorial Park Cemetery, Essex County, ON
O'BRIEN, Robert A.   1955-1979 Kelowna Memorial Park Cemetery, Central Okanagan Regional District, BC
O'BRIEN, Robert Edward   1934-1997 Lunnford Cemetery, Barrhead, AB
O'BRIEN, Robert M.   1861-1925 Aylmer Cemetery, Elgin County, ON
O'BRIEN, Robert Milton   1916-1951 Cache Bay / Springer Cemetery, Nipissing District, ON
O'BRIEN, Robert V.   1925-1984 Holy Name Roman Catholic Cemetery, Pictou County, NS
O'BRIEN, Robert W   1849-1919 Collingwood Presbyterian Cemetery, Simcoe County, ON
O'BRIEN, Robert W. "Bobby"   1971-2002 Maccan Cemetery, Cumberland County, NS
O'BRIEN, Robin   1957-1980 Maniwaki 2 / Assumption RC Cemetery, Gatineau County, QC
O'BRIEN, Ronald   St Mary's Roman Catholic Cemetery, Winnipeg City, MB
O'BRIEN, Ronald A.   1932-1974 Holy Angels Cemetery, Elgin County, ON
O'BRIEN, Ronald J   1934-1997 Greenhill Cemetery, Essex County, ON
O'BRIEN, Ronald M.   1907-1992 St Peter's Cemetery, Middlesex County, ON
O'BRIEN, Ronnie   1955-2004 Grande Prairie Municipal Cemetery, Grande Prairie, AB
O'BRIEN, Rose   1904-1993 Civic Memorial / Minnow Lake Cemetery, Sudbury District, ON
O'BRIEN, Rose   1891-1960 Arkona Cemetery, Lambton County, ON
O'BRIEN, Rose Lillian (Flemming)   1917-1944 Holy Name Roman Catholic Cemetery, Pictou County, NS
O'BRIEN, Rose Marie   1927-2010 Dorchester Union Cemetery, Middlesex County, ON
O'BRIEN, Rowena   parent Sparta South Cemetery, Elgin County, ON
O'BRIEN, Rowena   1854-1886 Sparta South Cemetery, Elgin County, ON
O'BRIEN, Roy   memorial St John's Cemetery, Essex County, ON
O'BRIEN, Roy   1896-1917 Thedford Baptist Cemetery, Lambton County, ON
O'BRIEN, Roy Earl   1920-1987 Mount Pleasant Cemetery, Middlesex County, ON
O'BRIEN, Samuel O   1869-1930 Siloam Cemetery, Middlesex County, ON
O'BRIEN, Sarah   Our Lady of Mercy Roman Catholic Cemetery, Lambton County, ON
O'BRIEN, Sarah   1829-1849 East New Annan Cemetery, Colchester County, NS
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