Mary O-Callaghan Genealogy: 177 obituaries, marriages, births, burials (1774-2015)

Mary O-Callaghan is documented in 177 historical records spanning 1774-2015 across 47 cities — including Quebec, Montreal, Charlottetown Royalty, Arthur, Ottawa, Lot 49, Lot 65, Mayo, Granby, and Charlottetown. Sources include 53 births, 5 baptism records, 44 censuses, 57 marriage records, 2 burial records, and 16 obituaries. Discover your genealogy on MesAieux (YourFolks), one of the best platforms for ancestry research, focusing on Quebec and Canada. Trace your family tree and track the lives of individuals named Mary O-Callaghan through these records — start uncovering your ancestors and build your complete family tree with Mary O-Callaghan today.

Year	Type	Subject	Location	Source	Results
abt. 1774	Birth	Mary Callaghan	Undetermined location	Recensement du Canada, 1881	abt. 1774 Birth Mary Callaghan Undetermined location (Recensement du Canada, 1881 )
abt. 1801	Birth	Mary Calaghan	Undetermined location	Recensement du Canada, 1881	abt. 1801 Birth Mary Calaghan Undetermined location (Recensement du Canada, 1881 )
abt. 1806	Birth	Mary-Ve Calaghan	Undetermined location	Recensement du Canada, 1881	abt. 1806 Birth Mary-Ve Calaghan Undetermined location (Recensement du Canada, 1881 )
abt. 1814	Marriage	Michael Byrne & Mary Kellaghar	Undetermined location	Vital records	abt. 1814 Marriage Michael Byrne & Mary Kellaghar Undetermined location (Vital records)
abt. 1818	Marriage	Thomas Mitchell & Mary Callaghan	Undetermined location	Vital records	abt. 1818 Marriage Thomas Mitchell & Mary Callaghan Undetermined location (Vital records)
1825	Marriage	Patrick Durmond & Mary Callaghan	Quebec, Qc	Vital records	1825 Marriage Patrick Durmond & Mary Callaghan Quebec, Qc (Vital records)
abt. 1825	Marriage	John Penny & Mary Collaghan	Undetermined location	Vital records	abt. 1825 Marriage John Penny & Mary Collaghan Undetermined location (Vital records)
1828	Marriage	Andre Tardif & Mary Callaghan	Quebec, Qc	Vital records	1828 Marriage Andre Tardif & Mary Callaghan Quebec, Qc (Vital records)
abt. 1833	Birth	Mary-Ann Callaghan	Undetermined location	Recensement du Canada, 1891	abt. 1833 Birth Mary-Ann Callaghan Undetermined location (Recensement du Canada, 1891)
abt. 1833	Marriage	Timothy Driscoll & Mary O-Callaghan	Undetermined location	Vital records	abt. 1833 Marriage Timothy Driscoll & Mary O-Callaghan Undetermined location (Vital records)
abt. 1838	Marriage	Patrick Daseman & Mary Callaghan	Undetermined location	Vital records	abt. 1838 Marriage Patrick Daseman & Mary Callaghan Undetermined location (Vital records)
abt. 1838	Marriage	John McAnerty & Mary Callaghan	Undetermined location	Vital records	abt. 1838 Marriage John McAnerty & Mary Callaghan Undetermined location (Vital records)
abt. 1839	Marriage	Patrick Quirk & Mary O-Callaghan	Undetermined location	Vital records	abt. 1839 Marriage Patrick Quirk & Mary O-Callaghan Undetermined location (Vital records)
1840	Marriage	Etienne Bazin & Mary Callaghan	Quebec, Qc	Vital records	1840 Marriage Etienne Bazin & Mary Callaghan Quebec, Qc (Vital records)
1841	Marriage	Eugene Sullivan & Mary Callaghan	Quebec, Qc	Vital records	1841 Marriage Eugene Sullivan & Mary Callaghan Quebec, Qc (Vital records)
1842	Marriage	John Hart & Mary-Ann Callaghan	Montreal, Qc	Vital records	1842 Marriage John Hart & Mary-Ann Callaghan Montreal, Qc (Vital records)
abt. 1842	Marriage	Thomas Gaven & Mary Callagan	Undetermined location	Vital records	abt. 1842 Marriage Thomas Gaven & Mary Callagan Undetermined location (Vital records)
abt. 1843	Birth	Mary Callagan	Undetermined location	Recensement du Canada, 1881	abt. 1843 Birth Mary Callagan Undetermined location (Recensement du Canada, 1881 )
abt. 1843	Birth	Mary-Jane Callaghan	Undetermined location	Recensement du Canada, 1881	abt. 1843 Birth Mary-Jane Callaghan Undetermined location (Recensement du Canada, 1881 )
1843	Marriage	Patrick Maguire & Mary O-Callaghan	Quebec, Qc	Vital records	1843 Marriage Patrick Maguire & Mary O-Callaghan Quebec, Qc (Vital records)
abt. 1844	Birth	Mary-F Callaghan	Undetermined location	Recensement du Canada, 1891	abt. 1844 Birth Mary-F Callaghan Undetermined location (Recensement du Canada, 1891)
abt. 1844	Marriage	Francis Reed & Mary Callaghan	Undetermined location	Vital records	abt. 1844 Marriage Francis Reed & Mary Callaghan Undetermined location (Vital records)
abt. 1844	Marriage	Nicholas Scullion & Mary Callagan	Undetermined location	Vital records	abt. 1844 Marriage Nicholas Scullion & Mary Callagan Undetermined location (Vital records)
1846	Baptism	Mary-Anne Callaghan	Saint-Antoine-de-l'Isle-aux-Grues, QC	Vital records	1846 Baptism Mary-Anne Callaghan Saint-Antoine-de-l'Isle-aux-Grues, QC (Vital records)
abt. 1847	Marriage	James Murphy & Mary Callaghan	Undetermined location	Vital records	abt. 1847 Marriage James Murphy & Mary Callaghan Undetermined location (Vital records)
abt. 1849	Birth	Mary-Ann Calaghan	Undetermined location	Recensement du Canada, 1881	abt. 1849 Birth Mary-Ann Calaghan Undetermined location (Recensement du Canada, 1881 )
abt. 1849	Marriage	Stephen Carrick & Marie Callaghan	Undetermined location	Vital records	abt. 1849 Marriage Stephen Carrick & Marie Callaghan Undetermined location (Vital records)
abt. 1849	Marriage	Charles MC-Carthy & Mary Callaghan	Undetermined location	Vital records	abt. 1849 Marriage Charles MC-Carthy & Mary Callaghan Undetermined location (Vital records)
1850	Marriage	James Cain & Mary O-Callaghan	Quebec, Qc	Vital records	1850 Marriage James Cain & Mary O-Callaghan Quebec, Qc (Vital records)
1853	Marriage	Thomas McMahon & Mary Callaghan	Montreal, Qc	Vital records	1853 Marriage Thomas McMahon & Mary Callaghan Montreal, Qc (Vital records)
1854	Marriage	James Reilly & Mary O-Callaghan	Quebec, Qc	Vital records	1854 Marriage James Reilly & Mary O-Callaghan Quebec, Qc (Vital records)
abt. 1857	Birth	Mary-Ann Callagahan	Undetermined location	Recensement du Canada, 1881	abt. 1857 Birth Mary-Ann Callagahan Undetermined location (Recensement du Canada, 1881 )
abt. 1857	Birth	Mary-F. Callaghan	Undetermined location	Recensement du Canada, 1881	abt. 1857 Birth Mary-F. Callaghan Undetermined location (Recensement du Canada, 1881 )
abt. 1858	Birth	Mary-J. Callaghan	Undetermined location	Recensement du Canada, 1881	abt. 1858 Birth Mary-J. Callaghan Undetermined location (Recensement du Canada, 1881 )
abt. 1859	Birth	Mary-T Callaghan	Undetermined location	Recensement du Canada, 1891	abt. 1859 Birth Mary-T Callaghan Undetermined location (Recensement du Canada, 1891)
abt. 1859	Birth	Mary-Elizabeth Callagan	Undetermined location	Recensement du Canada, 1891	abt. 1859 Birth Mary-Elizabeth Callagan Undetermined location (Recensement du Canada, 1891)
abt. 1860	Birth	Mary-Theresa Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1860 Birth Mary-Theresa Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1863	Marriage	John Haggie & Mary O-Callaghan	Undetermined location	Vital records	abt. 1863 Marriage John Haggie & Mary O-Callaghan Undetermined location (Vital records)
abt. 1866	Birth	Mary-Virginie Callaghan	Undetermined location	Recensement du Canada, 1891	abt. 1866 Birth Mary-Virginie Callaghan Undetermined location (Recensement du Canada, 1891)
abt. 1866	Marriage	James Cairnes & Mary Callaghan	Undetermined location	Vital records	abt. 1866 Marriage James Cairnes & Mary Callaghan Undetermined location (Vital records)
1867	Marriage	Thomas Morrissey & Mary Callaghan	Montreal, Qc	Vital records	1867 Marriage Thomas Morrissey & Mary Callaghan Montreal, Qc (Vital records)
abt. 1868	Marriage	John Hagay & Mary-Ann O-Callaghan	Undetermined location	Vital records	abt. 1868 Marriage John Hagay & Mary-Ann O-Callaghan Undetermined location (Vital records)
1869	Marriage	John Munro & Mary-Ann O-Callaghan	Ottawa, On	Vital records	1869 Marriage John Munro & Mary-Ann O-Callaghan Ottawa, On (Vital records)
abt. 1871	Marriage	John Callaghan & Mary Callaghan	Undetermined location	Vital records	abt. 1871 Marriage John Callaghan & Mary Callaghan Undetermined location (Vital records)
abt. 1872	Birth	Mary-Alice Callaghan	Undetermined location	Recensement du Canada, 1881	abt. 1872 Birth Mary-Alice Callaghan Undetermined location (Recensement du Canada, 1881 )
abt. 1872	Marriage	Lawrence Murphy & Mary Callahan	Undetermined location	Vital records	abt. 1872 Marriage Lawrence Murphy & Mary Callahan Undetermined location (Vital records)
abt. 1873	Marriage	Murphy Callaghan & Mary Callaghan	Undetermined location	Vital records	abt. 1873 Marriage Murphy Callaghan & Mary Callaghan Undetermined location (Vital records)
abt. 1875	Birth	C. -Mary Callaghan	Undetermined location	Recensement du Canada, 1881	abt. 1875 Birth C. -Mary Callaghan Undetermined location (Recensement du Canada, 1881 )
1875	Marriage	Jeremiah Connors & Mary O-Brien	Osgoode, On	Vital records	1875 Marriage Jeremiah Connors & Mary O-Brien Osgoode, On (Vital records)
abt. 1876	Birth	Mary-E. Callaghan	Undetermined location	Recensement du Canada, 1881	abt. 1876 Birth Mary-E. Callaghan Undetermined location (Recensement du Canada, 1881 )
abt. 1877	Birth	Mary-E Callaghan	Undetermined location	Recensement canadien des provinces des prairies, 1926	abt. 1877 Birth Mary-E Callaghan Undetermined location (Recensement canadien des provinces des prairies, 1926)
abt. 1877	Marriage	Marcon Butler & Mary Callaghan	Undetermined location	Vital records	abt. 1877 Marriage Marcon Butler & Mary Callaghan Undetermined location (Vital records)
1877	Burial	Mary-Ann O'callaghan	Quebec, QC	Vital records	1877 Burial Mary-Ann O'callaghan Quebec, QC (Vital records)
abt. 1878	Birth	Mary-Susanne Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1878 Birth Mary-Susanne Callaghan Undetermined location (Recensement du Canada, 1931)
1880	Baptism	Mary-Elisabeth Callaghan	Lennoxville, QC	Vital records	1880 Baptism Mary-Elisabeth Callaghan Lennoxville, QC (Vital records)
abt. 1880	Birth	Mary-Ellen Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1880 Birth Mary-Ellen Callaghan Undetermined location (Recensement du Canada, 1931)
1881	Census	Mary Callaghan	Barrie, ON	Recensement du Canada, 1881	1881 Census Mary Callaghan Barrie, ON (Recensement du Canada, 1881 )
1881	Census	Mary-Alice Callaghan	Lot 49, IPE	Recensement du Canada, 1881	1881 Census Mary-Alice Callaghan Lot 49, IPE (Recensement du Canada, 1881 )
1881	Census	Mary-E Callaghan	Chatham (Ville), ON	Recensement du Canada, 1881	1881 Census Mary-E Callaghan Chatham (Ville), ON (Recensement du Canada, 1881 )
1881	Census	Mary-E. Callaghan	Lot 37, IPE	Recensement du Canada, 1881	1881 Census Mary-E. Callaghan Lot 37, IPE (Recensement du Canada, 1881 )
1881	Census	Mary-F. Callaghan	Charlottetown Royalty, IPE	Recensement du Canada, 1881	1881 Census Mary-F. Callaghan Charlottetown Royalty, IPE (Recensement du Canada, 1881 )
1881	Census	Mary-Ann Callagahan	Charlottetown Royalty, IPE	Recensement du Canada, 1881	1881 Census Mary-Ann Callagahan Charlottetown Royalty, IPE (Recensement du Canada, 1881 )
1881	Census	Mary-Ann Callaghan	Charlottetown Royalty, IPE	Recensement du Canada, 1881	1881 Census Mary-Ann Callaghan Charlottetown Royalty, IPE (Recensement du Canada, 1881 )
1881	Census	Mary-J. Callaghan	Summerside, IPE	Recensement du Canada, 1881	1881 Census Mary-J. Callaghan Summerside, IPE (Recensement du Canada, 1881 )
1881	Census	Mary-Jane Callaghan	Quartier Saint-Lawrence, ON	Recensement du Canada, 1881	1881 Census Mary-Jane Callaghan Quartier Saint-Lawrence, ON (Recensement du Canada, 1881 )
1881	Census	Mary-Ve Calaghan	Saint-Lin, QC	Recensement du Canada, 1881	1881 Census Mary-Ve Calaghan Saint-Lin, QC (Recensement du Canada, 1881 )
1881	Census	Mary Calaghan	Bedford, ON	Recensement du Canada, 1881	1881 Census Mary Calaghan Bedford, ON (Recensement du Canada, 1881 )
1881	Census	Mary Callagan	Lot 65, IPE	Recensement du Canada, 1881	1881 Census Mary Callagan Lot 65, IPE (Recensement du Canada, 1881 )
1881	Census	C. -Mary Callaghan	Lot 57, IPE	Recensement du Canada, 1881	1881 Census C. -Mary Callaghan Lot 57, IPE (Recensement du Canada, 1881 )
abt. 1883	Birth	Mary-M Callaghan	Undetermined location	Recensement du Canada, 1891	abt. 1883 Birth Mary-M Callaghan Undetermined location (Recensement du Canada, 1891)
1883	Marriage	Georges Barsalou & Mary Callaghan	Montreal, Qc	Vital records	1883 Marriage Georges Barsalou & Mary Callaghan Montreal, Qc (Vital records)
abt. 1886	Birth	Mary-J Callaghan	Undetermined location	Recensement canadien des provinces des prairies, 1926	abt. 1886 Birth Mary-J Callaghan Undetermined location (Recensement canadien des provinces des prairies, 1926)
1887	Marriage	Francis Banford & Mary Callahan	Manchester, Nh	Vital records	1887 Marriage Francis Banford & Mary Callahan Manchester, Nh (Vital records)
abt. 1888	Birth	Mary-C Callaghan	Undetermined location	Recensement du Canada, 1891	abt. 1888 Birth Mary-C Callaghan Undetermined location (Recensement du Canada, 1891)
abt. 1888	Birth	Mary-N Callaghan	Undetermined location	Recensement du Canada, 1891	abt. 1888 Birth Mary-N Callaghan Undetermined location (Recensement du Canada, 1891)
1889	Baptism	Mary-Cecilia O'callaghan	Mayo, QC	Vital records	1889 Baptism Mary-Cecilia O'callaghan Mayo, QC (Vital records)
abt. 1890	Birth	Mary-Agnes Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1890 Birth Mary-Agnes Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1891	Birth	Margret-Mary Callagan	Undetermined location	Recensement du Canada, 1891	abt. 1891 Birth Margret-Mary Callagan Undetermined location (Recensement du Canada, 1891)
1891	Census	Mary-T Callaghan	St-Lawrence Ward, QC	Recensement du Canada, 1891	1891 Census Mary-T Callaghan St-Lawrence Ward, QC (Recensement du Canada, 1891)
1891	Census	Mary-M Callaghan	Lot 65, IPE	Recensement du Canada, 1891	1891 Census Mary-M Callaghan Lot 65, IPE (Recensement du Canada, 1891)
1891	Census	Mary-N Callaghan	Richmond, ON	Recensement du Canada, 1891	1891 Census Mary-N Callaghan Richmond, ON (Recensement du Canada, 1891)
1891	Census	Mary-C Callaghan	Lot 30, IPE	Recensement du Canada, 1891	1891 Census Mary-C Callaghan Lot 30, IPE (Recensement du Canada, 1891)
1891	Census	Margret-Mary Callagan	Almonte Town, ON	Recensement du Canada, 1891	1891 Census Margret-Mary Callagan Almonte Town, ON (Recensement du Canada, 1891)
1891	Census	Mary-J Callaghan	Dalhousie, NB	Recensement du Canada, 1891	1891 Census Mary-J Callaghan Dalhousie, NB (Recensement du Canada, 1891)
1891	Census	Mary-Ann Calaghan	Lot 49, IPE	Recensement du Canada, 1891	1891 Census Mary-Ann Calaghan Lot 49, IPE (Recensement du Canada, 1891)
1892	Marriage	John-Charles Dunn & Mary Callaghan	Granby, Qc	Vital records	1892 Marriage John-Charles Dunn & Mary Callaghan Granby, Qc (Vital records)
abt. 1893	Birth	Emily-Mary Callagan	Undetermined location	Recensement du Canada, 1931	abt. 1893 Birth Emily-Mary Callagan Undetermined location (Recensement du Canada, 1931)
abt. 1893	Marriage	Edward Ryan & Mary Callaghan	Undetermined location	Vital records	abt. 1893 Marriage Edward Ryan & Mary Callaghan Undetermined location (Vital records)
1894	Baptism	Mary-Lauretta O'callaghan	Mayo, QC	Vital records	1894 Baptism Mary-Lauretta O'callaghan Mayo, QC (Vital records)
1894	Marriage	Terence Carbray & Mary Callaghan	Sillery, Qc	Vital records	1894 Marriage Terence Carbray & Mary Callaghan Sillery, Qc (Vital records)
1894	Marriage	Michael MC-Stavey & Mary Callaghan	Dover, Nh	Vital records	1894 Marriage Michael MC-Stavey & Mary Callaghan Dover, Nh (Vital records)
abt. 1897	Birth	Meldred-Mary Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1897 Birth Meldred-Mary Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1898	Birth	Mary-Elizabeth Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1898 Birth Mary-Elizabeth Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1899	Birth	Mary-Anna-Patricia Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1899 Birth Mary-Anna-Patricia Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1900	Marriage	Joseph Glenwright & Mary-Ann Callagan	Undetermined location	Vital records	abt. 1900 Marriage Joseph Glenwright & Mary-Ann Callagan Undetermined location (Vital records)
1902	Marriage	Noah-A Timmins & M. -Elizabeth O-Callaghan	Westmount, Qc	Vital records	1902 Marriage Noah-A Timmins & M. -Elizabeth O-Callaghan Westmount, Qc (Vital records)
1903	Baptism	Mary-Margaret Callaghan	Granby, QC	Vital records	1903 Baptism Mary-Margaret Callaghan Granby, QC (Vital records)
abt. 1903	Birth	Mary Callagghan	Undetermined location	Recensement du Canada, 1931	abt. 1903 Birth Mary Callagghan Undetermined location (Recensement du Canada, 1931)
abt. 1903	Birth	Mary Callahghan	Undetermined location	Recensement du Canada, 1931	abt. 1903 Birth Mary Callahghan Undetermined location (Recensement du Canada, 1931)
abt. 1905	Marriage	James Power & Mary Callaghan	Undetermined location	Vital records	abt. 1905 Marriage James Power & Mary Callaghan Undetermined location (Vital records)
1906	Marriage	Auguste Desrochers & Mary-Ann Callaghan	Saint-Jacques, Qc	Vital records	1906 Marriage Auguste Desrochers & Mary-Ann Callaghan Saint-Jacques, Qc (Vital records)
1906	Marriage	Francois Cadorette & Mary Callaghan	Saint-Germain-De-Grantham, Qc	Vital records	1906 Marriage Francois Cadorette & Mary Callaghan Saint-Germain-De-Grantham, Qc (Vital records)
abt. 1906	Marriage	Francois-Xavier Bienvenu & Mary Callaghan	Undetermined location	Vital records	abt. 1906 Marriage Francois-Xavier Bienvenu & Mary Callaghan Undetermined location (Vital records)
abt. 1909	Birth	Mary-Isabel Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1909 Birth Mary-Isabel Callaghan Undetermined location (Recensement du Canada, 1931)
1909	Marriage	Abondius Gagnon & Mary Callaghan	Sainte-Anne-Des-Plaines, Qc	Vital records	1909 Marriage Abondius Gagnon & Mary Callaghan Sainte-Anne-Des-Plaines, Qc (Vital records)
1910	Marriage	William-Henry Butler & Mary-Estelle Callaghan	Montreal, Qc	Vital records	1910 Marriage William-Henry Butler & Mary-Estelle Callaghan Montreal, Qc (Vital records)
abt. 1912	Marriage	John Brennan & Mary Callaghan	Undetermined location	Vital records	abt. 1912 Marriage John Brennan & Mary Callaghan Undetermined location (Vital records)
abt. 1913	Birth	Mary-Madeline Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1913 Birth Mary-Madeline Callaghan Undetermined location (Recensement du Canada, 1931)
1913	Marriage	Georges-Etienne Beauvais & Mary-Agnes O-Callaghan	Montreal, Qc	Vital records	1913 Marriage Georges-Etienne Beauvais & Mary-Agnes O-Callaghan Montreal, Qc (Vital records)
abt. 1916	Birth	Cathleen-Mary Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1916 Birth Cathleen-Mary Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1917	Birth	Mary-Gertrude Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1917 Birth Mary-Gertrude Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1917	Birth	Mary-Lucille Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1917 Birth Mary-Lucille Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1918	Birth	Mary-Edith Callaghan	Undetermined location	Recensement canadien des provinces des prairies, 1926	abt. 1918 Birth Mary-Edith Callaghan Undetermined location (Recensement canadien des provinces des prairies, 1926)
abt. 1919	Birth	Mary-Loretta Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1919 Birth Mary-Loretta Callaghan Undetermined location (Recensement du Canada, 1931)
1919	Marriage	Francis-Edward Barth & Catherine-Mary Callaghan	Derry, Nh	Vital records	1919 Marriage Francis-Edward Barth & Catherine-Mary Callaghan Derry, Nh (Vital records)
1920	Burial	Mary Callaghan	Dixville, QC	Vital records	1920 Burial Mary Callaghan Dixville, QC (Vital records)
abt. 1922	Birth	Mary-Eugene Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1922 Birth Mary-Eugene Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1922	Marriage	Patrick Cunningham & Mary Callaghan	Undetermined location	Vital records	abt. 1922 Marriage Patrick Cunningham & Mary Callaghan Undetermined location (Vital records)
abt. 1923	Birth	Mary-K Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1923 Birth Mary-K Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1924	Birth	Helen-Mary Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1924 Birth Helen-Mary Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1925	Birth	Mary-Albeta Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1925 Birth Mary-Albeta Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1925	Birth	Alice-Mary Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1925 Birth Alice-Mary Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1925	Birth	Mary-Thomas Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1925 Birth Mary-Thomas Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1925	Birth	Mary-Louis Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1925 Birth Mary-Louis Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1926	Birth	Mary-Pearl Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1926 Birth Mary-Pearl Callaghan Undetermined location (Recensement du Canada, 1931)
1926	Census	Mary-Edith Callaghan	Red Deer, AB	Recensement canadien des provinces des prairies, 1926	1926 Census Mary-Edith Callaghan Red Deer, AB (Recensement canadien des provinces des prairies, 1926)
abt. 1928	Birth	Margaret-Mary Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1928 Birth Margaret-Mary Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1929	Birth	Mary-Francis Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1929 Birth Mary-Francis Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1929	Birth	Mary-Lullwan Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1929 Birth Mary-Lullwan Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1931	Birth	Mary-Helena Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1931 Birth Mary-Helena Callaghan Undetermined location (Recensement du Canada, 1931)
abt. 1931	Birth	Mary-Kathleen Callaghan	Undetermined location	Recensement du Canada, 1931	abt. 1931 Birth Mary-Kathleen Callaghan Undetermined location (Recensement du Canada, 1931)
1931	Census	Mary-Elizabeth Callaghan	[Sans nom], AB	Recensement du Canada, 1931	1931 Census Mary-Elizabeth Callaghan [Sans nom], AB (Recensement du Canada, 1931)
1931	Census	Mary-Eugene Callaghan	Arthur (Village), ON	Recensement du Canada, 1931	1931 Census Mary-Eugene Callaghan Arthur (Village), ON (Recensement du Canada, 1931)
1931	Census	Mary-Agnes Callaghan	Charlottetown (Cite), IPE	Recensement du Canada, 1931	1931 Census Mary-Agnes Callaghan Charlottetown (Cite), IPE (Recensement du Canada, 1931)
1931	Census	Mary-Albeta Callaghan	Lindsay (Ville), ON	Recensement du Canada, 1931	1931 Census Mary-Albeta Callaghan Lindsay (Ville), ON (Recensement du Canada, 1931)
1931	Census	Mary-Francis Callaghan	Montreal (Cite) – Saint-Andre Ward, QC	Recensement du Canada, 1931	1931 Census Mary-Francis Callaghan Montreal (Cite) – Saint-Andre Ward, QC (Recensement du Canada, 1931)
1931	Census	Mary-Gertrude Callaghan	Fort Augustus, IPE	Recensement du Canada, 1931	1931 Census Mary-Gertrude Callaghan Fort Augustus, IPE (Recensement du Canada, 1931)
1931	Census	Mary-Helena Callaghan	Toronto (Cite), ON	Recensement du Canada, 1931	1931 Census Mary-Helena Callaghan Toronto (Cite), ON (Recensement du Canada, 1931)
1931	Census	Mary-Isabel Callaghan	Charlottetown (Cite), IPE	Recensement du Canada, 1931	1931 Census Mary-Isabel Callaghan Charlottetown (Cite), IPE (Recensement du Canada, 1931)
1931	Census	Mary-Thomas Callaghan	Ops (Canton), ON	Recensement du Canada, 1931	1931 Census Mary-Thomas Callaghan Ops (Canton), ON (Recensement du Canada, 1931)
1931	Census	Mary-Pearl Callaghan	Territoire non-organise, C-B	Recensement du Canada, 1931	1931 Census Mary-Pearl Callaghan Territoire non-organise, C-B (Recensement du Canada, 1931)
1931	Census	Mary-Madeline Callaghan	Ontario Ward, ON	Recensement du Canada, 1931	1931 Census Mary-Madeline Callaghan Ontario Ward, ON (Recensement du Canada, 1931)
1931	Census	Mary-K Callaghan	Belleville (Cite), ON	Recensement du Canada, 1931	1931 Census Mary-K Callaghan Belleville (Cite), ON (Recensement du Canada, 1931)
1931	Census	Mary-Kathleen Callaghan	Toronto (Cite), ON	Recensement du Canada, 1931	1931 Census Mary-Kathleen Callaghan Toronto (Cite), ON (Recensement du Canada, 1931)
1931	Census	Mary-Loretta Callaghan	[Sans nom], AB	Recensement du Canada, 1931	1931 Census Mary-Loretta Callaghan [Sans nom], AB (Recensement du Canada, 1931)
1931	Census	Mary-Louis Callaghan	Territoire non-organise, C-B	Recensement du Canada, 1931	1931 Census Mary-Louis Callaghan Territoire non-organise, C-B (Recensement du Canada, 1931)
1931	Census	Mary-Lucille Callaghan	[Sans nom], AB	Recensement du Canada, 1931	1931 Census Mary-Lucille Callaghan [Sans nom], AB (Recensement du Canada, 1931)
1931	Census	Mary-Lullwan Callaghan	Arthur (Village), ON	Recensement du Canada, 1931	1931 Census Mary-Lullwan Callaghan Arthur (Village), ON (Recensement du Canada, 1931)
1931	Census	Cathleen-Mary Callaghan	Saskatchewan, SK	Recensement du Canada, 1931	1931 Census Cathleen-Mary Callaghan Saskatchewan, SK (Recensement du Canada, 1931)
1931	Census	Emily-Mary Callagan	Nanaimo (Cite), C-B	Recensement du Canada, 1931	1931 Census Emily-Mary Callagan Nanaimo (Cite), C-B (Recensement du Canada, 1931)
1931	Census	Helen-Mary Callaghan	Brantford (Cite), ON	Recensement du Canada, 1931	1931 Census Helen-Mary Callaghan Brantford (Cite), ON (Recensement du Canada, 1931)
1931	Census	Margaret-Mary Callaghan	Arthur (Village), ON	Recensement du Canada, 1931	1931 Census Margaret-Mary Callaghan Arthur (Village), ON (Recensement du Canada, 1931)
1931	Census	Mary Callagghan	Montreal (Cite) – Sainte-Cunegonde Ward, QC	Recensement du Canada, 1931	1931 Census Mary Callagghan Montreal (Cite) – Sainte-Cunegonde Ward, QC (Recensement du Canada, 1931)
1931	Census	Alice-Mary Callaghan	Belleville (Cite), ON	Recensement du Canada, 1931	1931 Census Alice-Mary Callaghan Belleville (Cite), ON (Recensement du Canada, 1931)
abt. 1938	Marriage	George Beauvais & Mary-Anges O-Callaghan	Undetermined location	Vital records	abt. 1938 Marriage George Beauvais & Mary-Anges O-Callaghan Undetermined location (Vital records)
abt. 1940	Marriage	George-William Matthew & Mary-Evelyn O-Callaghan	Undetermined location	Vital records	abt. 1940 Marriage George-William Matthew & Mary-Evelyn O-Callaghan Undetermined location (Vital records)
abt. 1941	Marriage	Philipp Kelleher & Mary O-Callaghan	Undetermined location	Vital records	abt. 1941 Marriage Philipp Kelleher & Mary O-Callaghan Undetermined location (Vital records)
1942	Marriage	Joseph-Edmond Gagnon & Mary-Theresa-Doris Callaghan	Ottawa, On	Vital records	1942 Marriage Joseph-Edmond Gagnon & Mary-Theresa-Doris Callaghan Ottawa, On (Vital records)
abt. 1957	Marriage	Norman Patrick & Mary O-Callaghan	Undetermined location	Vital records	abt. 1957 Marriage Norman Patrick & Mary O-Callaghan Undetermined location (Vital records)
abt. 1960	Marriage	Simon-Howard Mahoney & Mary Callaghan	Undetermined location	Vital records	abt. 1960 Marriage Simon-Howard Mahoney & Mary Callaghan Undetermined location (Vital records)
1976	Marriage	Witold Kuraszewiez & Rose-Mary Callaghan	Malartic, Qc	Vital records	1976 Marriage Witold Kuraszewiez & Rose-Mary Callaghan Malartic, Qc (Vital records)

Obituary of Clare-Mary Callaghan (1922 - 2001)

Clare-Mary Callaghan, born in 1922, spouse of Hilary McHale, mother of Brian, Stoney and Alta, died on March 29, 2001 at 79 years old.

Obituary: In Ottawa Hospital, Civic Site, on Thursday, March 29, 2001, Clare Callaghan, age 79 years. Wife of the late Hilary McHale, formerly of Douglas, Ontario. Dear mother of Brian (Liz), Stoney Plain, Alta., Kevin (Pat), Edmonton, Alta., Michael (Marie), Renfrew, Ann (Freavous) Coulas, Osceola, Pat (Bev), Edmonton, Alta., Mary Clare [...]

Obituary of Mary-Patricia Callaghan ( - 2005)

Mary-Patricia Callaghan, spouse of Kenneth A. McAllister, daughter of Leo F and Winnifred, mother of Patricia, died on September 2, 2005.

Obituary: McALLISTER, MARY PATRICIA - At the Ridgewood Veterans Wing, the passing of Mrs. Mary Patricia (Callaghan) McAllister RN formerly of Orange Street, wife of the late Kenneth A. McAllister, occurred on Friday September 2, 2005 at her residence. Born in Saint John, NB., she was a daughter of the late [...]

Obituary of Mary-Catherine Callaghan (1923 - 2007)

Mary-Catherine Callaghan, born in 1923, spouse of George Simboli, daughter of Maurice and Ellen, mother of Maura, Chris and Tim, died on October 27, 2007 at 84 years old.

Obituary: SIMBOLI, Mary Catherine “Kelly” (nee Callaghan) - RN, Director of Maycourt Convalescent Home - Peacefully in Ottawa after a long battle with Alzheimer's Saturday October 27, 2007, age 84. Loving wife of George Simboli. Cherished mother of Maura (Peter Campbell), Chris (Melanie) and Tim (Joan). Proud grandmother of Andrew, Christine, [...]

Obituary of Mary-Catherine-Kelly Callaghan (1923 - 2007)

Mary-Catherine-Kelly Callaghan, born in 1923, spouse of George Simboli, daughter of Maurice and Ellen, mother of Maura, Chris and Tim, died on October 27, 2007 at 84 years old.

Obituary: SIMBOLI, Mary Catherine Kelly (nee Callaghan) RN, Director of Maycourt Convalescent Home Peacefully after a long battle with Alzheimer's Saturday October 27, 2007, age 84. Loving wife of George Simboli. Cherished mother of Maura (Peter Campbell), Chris (Melanie) and Tim (Joan). Proud grandmother of Andrew, Christine, Justin, Devin, Grady, Madison, [...]

Obituary of Cecelia-Mary Callaghan ( - 2007)

Cecelia-Mary Callaghan, died on November 3, 2007.

Obituary: CALLAGHAN, Cecelia Mary 91, of Palm Harbor, died Nov. 3, 2007, at home. Born in Brooklyn, NY, she came here in 1993 from Portland, ME. She was Roman Catholic by faith. Survived by sons, Michael Callaghan, Thomas Callaghan, both of Nokesville, VA; daughters, Patricia Kelly, of Palm Harbor, and [...]

Obituary of Rita-Mary Callaghan ( - 2009)

Rita-Mary Callaghan, spouse of Joseph Angus, mother of Raymond, Brian, Bridget, Paula and Jennifer, died on October 27, 2009.

Obituary: CALLAGHAN, Rita Mary (nee LeBlanc) 1930-2009 On Tuesday, October 27, 2009, Mummy slipped away peacefully, surrounded by her family. She is predeceased by her husband of forty-three years, Joseph Angus (Gus) (1996) and her son Raymond (2000) (Diane Lafortune). She is survived by her loving children Brian (Helmi), Bridget, Paula [...]

Obituary of Elizabeth-Mary Callaghan (1936 - 2011)

Elizabeth-Mary Callaghan, born in 1936, died on January 22, 2011.

Obituary: ->Callaghan, Elizabeth Mary (Betty) San Antonio, TX: Formerly Lerner After a long and courageous battle with ovarian cancer passed away, surrounded by her children, in San Antonio, TX on January 22, 2011. Betty was born in Philadelphia, PA on April 10, 1936 and raised in NJ. A graduate of Holy [...]

Obituary of Mary Callaghan (1934 - 2012)

Mary Callaghan, born in 1934, died on June 25, 2012 at 78 years old.

Obituary: Mary Callaghan, 78, died June 25, 2012, at Salerno Bay Manor, Stuart. She was born in Suffern, N.Y., and lived in Stuart for nine years, coming from her birthplace. She retired from Avon Products where she was an administrative assistant. She was a member of the Irish Arts Forum of [...]

Obituary of Mary-Ellen Callaghan ( - 2012)

Mary-Ellen Callaghan, died on June 25, 2012.

Obituary: ->Callaghan, Mary EllenMary Ellen Callaghan, 78, of Stuart, FL, died Monday, June 25, 2012, at Salerno Bay Manor in Stuart. She was born in Suffern, NY and was a resident of Stuart for 9 years coming from Suffern, NY. She was a member of the Irish Arts Forum of Rockland [...]

Obituary of Mary-Florence Callaghan ( - 2012)

Mary-Florence Callaghan, died on June 30, 2012.

Obituary: CALLAGHAN, Mary Florence (nee Barton) - Passed away peacefully at Lakeridge Health - Oshawa on June 30, 2012 at 12:20 a.m. Beloved mother of David, Michael (Elizabeth), Therese (Gerard), John (Robyn) and Patrick. Loving grandmother of Catherine (Keith), Ryland (Monica), Morgan, Josh (Maggie), Lucas and Kyle. Sister-in-law of Lenore Hickey, [...]

Obituary of Mary-Judith O'callaghan (1944 - 2012)

Mary-Judith O'callaghan, born in 1944, daughter of Thomas Arthur and Mary Tuffy, died on September 16, 2012 at 67 years old.

Obituary: Mary Judith (Gilmore) O'Callaghan, 67, of Maynard, formerly of Acton, local real estate agent, died Sunday September 16, 2012 in Littleton. She was born in Philadelphia, Pennsylvania on December 11, 1944 and was raised in Atlantic City, NJ. A longtime resident of the Boston, MA metropolitan area, she was a [...]

Obituary of Mary Callaghan ( - 2012)

Mary Callaghan, spouse of Jeremiah Callaghan, died on December 20, 2012.

Obituary: CALLAGHAN (O'Neil) Mary1916 - 2012Passed away peacefully on December 20, 2012. Predeceased by her husband Jeremiah and sons Gerald and Joseph. She leaves to mourn her children Patricia, Sheila (Robert Goodall) and Michael (Kelly Matticks). Loving grandmother to her many grandchildren and great-grandchildren. Visitation will be held on Thursday, December [...]

Obituary of Mary Callaghan ( - 2013)

Mary Callaghan, spouse of James Callaghan, mother of Catherine and Robert, died on June 12, 2013.

Obituary: CALLAGHAN, Mary Frances (née Davis) Mary slipped away peacefully on Wednesday, June 12, 2013 at home with her family. Beloved wife of James Callaghan. Dear mother of Catherine and Robert. Sister-in-law to Maryane Thomson and Olga Davis. She will be fondly remembered by her nieces and nephews and their children, [...]

Obituary of Mary-Rose O''callaghan

Mary-Rose O''callaghan, died.

Obituary: Mary Rose passed away unexpectedly on Saturday August 22 with her husband and son by her side.She leaves behind her devoted husband (Dr. John), loving children (Charles, Fr. John, Mary Rose and David), extended family and so many friends.A Celebration of Life Mass will be held at 11 am on [...]

Obituary of Mary-Rose O''callaghan

Mary-Rose O''callaghan, died.

Obituary: O''CALLAGHAN, Mary RoseMrs. Mary Rose O''Callaghan, passed away unexpectedly on Saturday August 22 with her husband and son by her side. She leaves behind her devoted husband (Dr. John), loving children (Charles, Fr. John, Mary Rose and David), extended family and so many friends. A Celebration of Life Mass will [...]

Obituary of Mary-Monica O''callaghan

Mary-Monica O''callaghan, died.

Obituary: O''CALLAGHAN Mary MonicaLong standing and popular Instructor for Leo Cussen Centre forLaw in wills and estates.An engaging personalitywho delighted in passingon her knowledge andexpertise to new generationsof law graduates. Fondlyremembered.

What are the most common first names in O-Callaghan family?

The most popular first names associated with the O-Callaghan surname.

John	Mary	Eugene	Catherine
James	Michael	Richard	Elizabeth
Patrick	Patricia	Bridget	Elisabeth
Daniel	Margaret	Lillian	Kathleen
Gerald	Denis	Dennis	Ellen

The most popular first names associated with the O-Callaghan surname.

John	Mary
Eugene	Catherine
James	Michael
Richard	Elizabeth
Patrick	Patricia
Bridget	Elisabeth
Daniel	Margaret
Lillian	Kathleen
Gerald	Denis
Dennis	Ellen

These percentages represent the proportion of all genealogy records with the O-Callaghan who bear each given name, based on the 237 available.

Updated: 2025-05-20

Mary O-Callaghan: Genealogy, Obituaries, Marriages, Births

Obituary of Clare-Mary Callaghan (1922 - 2001)

Obituary of Mary-Patricia Callaghan ( - 2005)

Obituary of Mary-Catherine Callaghan (1923 - 2007)

Obituary of Mary-Catherine-Kelly Callaghan (1923 - 2007)

Obituary of Cecelia-Mary Callaghan ( - 2007)

Obituary of Rita-Mary Callaghan ( - 2009)

Obituary of Elizabeth-Mary Callaghan (1936 - 2011)

Obituary of Mary Callaghan (1934 - 2012)

Obituary of Mary-Ellen Callaghan ( - 2012)

Obituary of Mary-Florence Callaghan ( - 2012)

Obituary of Mary-Judith O'callaghan (1944 - 2012)

Obituary of Mary Callaghan ( - 2012)

Obituary of Mary Callaghan ( - 2013)

Obituary of Mary-Rose O''callaghan

Obituary of Mary-Rose O''callaghan

Obituary of Mary-Monica O''callaghan

What are the most common first names in O-Callaghan family?