- Odlum
- O'Doherty
- O'Donnell
- Allan Edward (b. 21 Oct 1920, d. 1992)
- Dolly (b. abt 1896, d. bef 1996)
- Hamilton Lewis (b. 1894, d. 1962)
- John (b. 1932, d. 6 Sep 1996)
- John Walter (b. 31 Jan 1902, d. 6 Jan 1959)
- Lawrence John (b. 10 Jul 1920, d. 30 Mar 2000)
- Mary McLay (b. 1925, d. 2011)
- Muriel (b. 26 Dec 1897, d. 15 Jul 1975)
- Thomas (b. 6 Sep 1921, d. 1999)
- William Miller (b. 24 Dec 1937, d. 17 Feb 2013)
- of Altdorf
- of Bavaria
Judith (b. 805, d. 19 Apr 843)
- of Bernicia
- of Chester
Beatrix (b. abt 1119, d. bef 1219)
Mabel (b. abt 1172, d. bef 1272)
- of Dashburg
- of Devon
- of Franconia
Hedwig (b. abt 836, d. 24 Dec 903)
Imiza (b. abt 918, d. bef 1018)
- of Hatton
- of Kent
- of Leinster
- of Mercia
- of Metz
Richaut (b. abt 823, d. bet 910 and 914)
- of Northumberland
- of Ringleheim
- of Saxony
Bernard Herzog Billung, II,Duke ("Duke") (b. abt 995, d. 29 Jun 1059)
Eilika (b. abt 1005, d. 10 Dec 1056)
Hedwig (b. abt 836, d. 24 Dec 903)
Hedwig (b. 922, d. 9 Jan 958)
Liudolf, The Great, Duke ("Duke") (b. abt 816, d. 12 Mar 866)
Oda (b. 816, d. 17 May 913)
Otto, Duke ("Duke") (b. bet 836 and 851, d. 30 Nov 912)
- of Shoresworth
- of Swabia
Berta (b. abt 925, d. 23 Apr 943)
Willa (b. abt 852, d. 14 Jun 929)
- of Thuringia
Oda (b. 816, d. 17 May 913)
- of Vinzgouw
- of Wessex
Ælfgifu, Queen Of England ("Queen Of England") (b. 968, d. bef 1068)
Ælflaeda (b. abt 878, d. abt 919)
Æthelred, II,King ("King") (b. abt 979, d. 23 Apr 1016)
Eadgyfu (b. 876, d. 25 Aug 968)
Ecgberht, King of the English ("King of the English") (b. 784, d. 839)
Edward, I,King of England ("King of England") (b. bet 871 and 875, d. 17 Jul 925)
Ræburga (b. abt 788, d. bef 888)
- of Wetterau
- of Workington
- O'Farrell
- Charles Edward (b. 1884, d. bef 1984)
- Edward (b. abt 1848, d. 5 Oct 1932)
- Edward James (b. 17 Sep 1871, d. 2 Dec 1872)
- Edward James (b. 19 Aug 1883, d. bef 1983)
- Elizabeth Harriet (b. 2 Oct 1887, d. 9 Jun 1977)
- Elizabeth Jane (b. 4 Oct 1876, d. 30 Mar 1877)
- Elizabeth Wilhelmina (b. abt 1875, d. 1968)
- Emily (b. 18 Apr 1880, d. 7 Feb 1881)
- Ernest (b. 28 Apr 1870, d. 1935)
- Ethel May (b. 18 May 1886, d. bef 1986)
- Harriott (b. 1 Jan 1848, d. 5 Mar 1907)
- Herbert (b. 7 Apr 1883, d. bef 1983)
- Isabella Jane (b. 28 Jan 1878, d. 23 Aug 1966)
- James Edward (b. 19 Aug 1881, d. 18 Mar 1882)
- Veatta Elizabeth (b. abt 1901, d. bef 2001)
- William Henry (b. 17 Jun 1873, d. 28 Feb 1880)
- Offord
- Ogden
- Ogilvie
- O'Gorman
- O'Grady
- Ohanesian
- Ohannason
- Ohanneson
- O'Hanneson
- O'Keefe
- Catherine (b. 14 Jan 1874, d. 28 May 1936)
- Edna Jean (b. 19 Feb 1910, d. 20 Apr 1996)
- Francis Patterson (b. 28 Jun 1900, d. 26 Jan 1952)
- George Edward (b. 12 Oct 1904, d. 14 Jun 1975)
- Janice (b. 6 Aug 1928, d. bef 19 Sep 2018)
- Kathleen Gabriel (b. 22 Apr 1902, d. 7 Sep 1963)
- Lewis Joseph (b. 8 Oct 1939, d. bef 2018)
- Maxine Heather Jean (b. 23 Jan 1926, d. 27 Sep 1928)
- Sarah Jane (b. 28 May 1907, d. 20 Dec 1962)
- William Cornelius (b. 1874, d. 21 Jun 1961)
- O'Keeffe
- O'Kelly
- Okey
- Old
- Olding
Ann (b. 1835, d. 15 Jan 1911)
- Oldroyd
- Olds
- Alfred (b. Jun 1865, d. bef 1965)
- Aubrey James Hugh (b. 24 Jul 1914, d. 15 Dec 1976)
- Catherine (b. 1838, d. bef 1938)
- Charles (b. 1875, d. bef 1975)
- Edward Pulgrean (b. Sep 1856, d. 1922)
- Eliza (b. Jul 1884, d. 16 Apr 1943)
- Elizabeth Jane (b. Mar 1859, d. 1938)
- Emmie (b. 6 Aug 1917, d. Nov 2006)
- Florence May (b. 1899, d. 1971)
- Gerald (b. 1925, d. 1993)
- James (b. Apr 1848, d. 25 May 1917)
- James (b. 30 Mar 1849, d. 8 Nov 1926)
- James (b. 6 Aug 1877, d. 28 Aug 1944)
- Jane (b. 1795, d. bef 1895)
- Jane (b. abt 1847, d. bef 1947)
- Joanna (b. 14 Apr 1811, d. 3 Nov 1811)
- Joanna (b. 30 Apr 1815, d. 1901)
- Joannah (b. 1852, d. bef 1952)
- John (b. 18 Apr 1813, d. 19 Jan 1894)
- John (b. Mar 1855, d. 1924)
- John Francis (b. abt 1889, d. 1972)
- Margaret (b. 1823, d. Mar 1883)
- Mary (b. 29 Nov 1807, d. 29 Dec 1849)
- Mary (b. 3 Aug 1885, d. 17 Jan 1969)
- Mary Ann (b. Jan 1850, d. 14 Aug 1923)
- Mary Anne (b. 1844, d. 1931)
- Mary Doreen Ross (b. 24 Jun 1916, d. 27 May 1995)
- Olive (b. 1917, d. 1994)
- Peter (b. abt Nov 1783, d. 1871)
- Peter (b. 1809, d. 1884)
- Peter (b. Mar 1849, d. 20 Apr 1882)
- Richard Thomas (b. Jun 1860, d. 1924)
- Sally (b. abt 1819, d. 1865)
- Sarah Ann (b. 1850, d. bef 1950)
- Thomas Michael (b. 6 May 1879, d. 15 Sep 1949)
- William (b. abt 1819, d. 4 Aug 1892)
- William (b. Jul 1845, d. 6 Apr 1916)
- Oliver
- Alfred (b. 1864, d. bef 1964)
- Alfred J (b. 1900, d. bef 2000)
- Amelia (b. 1886, d. bef 1986)
- Ann (b. 12 Sep 1698, d. 1743)
- Cathy (b. abt 1910, d. bef 2010)
- Cecilia Mary (b. 1834, d. bef 1934)
- Edith Emma (b. 1889, d. 1945)
- Edith Maude (b. 28 Mar 1914, d. 18 Dec 1986)
- Jane (b. 9 Feb 1783, d. 19 Oct 1863)
- John (b. abt 1810, d. bef 1910)
- John (b. Mar 1844, d. bef 1944)
- Leslie (b. abt 1900, d. bef 2000)
- Martha A (b. 1898, d. bef 1998)
- Mary Ann (b. 1807, d. bef 1907)
- Richard Vancoe (b. 2 Jan 1873, d. 25 Jun 1947)
Sybil (b. abt 1260, d. abt 1306)
- Olivey
- Olney
- Olsen
- Olson
- Olsson
- Olver
- O'Mahony
- O'Malley
- Ombers
- Sarah (b. 1841, d. bef 1940)
- O'Meally
- Omer
- Alma Pauline (b. 15 Jan 1929, d. 15 Aug 2020)
- August Gideon (b. 10 Oct 1892, d. 2 Oct 1968)
- Dorothy Margene (b. 14 Dec 1935, d. 24 Sep 2023)
- John Sutherland, (Dr) (b. 26 Apr 1927, d. 29 Mar 2003)
- Kenneth Gideon (b. 22 May 1918, d. 15 Aug 1919)
- Marion Louise (b. 4 Aug 1923, d. 4 Sep 1923)
- Stanley August (b. 3 Jan 1920, d. 8 Jul 2006)
- Wayne Albert (b. 30 Nov 1921, d. 4 Nov 2016)
- Wendell Leon (b. 21 Apr 1925, d. 29 Sep 2004)
- O'Neil
- Kate (b. 1865, d. bef 1965)
- O'Neill
- Onkst
- Opegaard
- Opie
- Oppenheim
- Clara (b. abt 1882, d. bef 1982)
- Oppy
- Alfred (b. 1905, d. 1979)
- Edmund (b. abt 1864, d. bef 1964)
- Edmund (b. 1888, d. 1969)
- Harold William (b. 1920, d. 1921)
- James Thomas (b. 1887, d. 1888)
- James Thomas (b. 1892, d. 1935)
- Lawrence Raymond (b. 1897, d. 1897)
- Louisa May (b. 1902, d. 1972)
- Mary Elizabeth (b. 1894, d. 1967)
- Thomas James Joseph (b. 1909, d. 1979)
- Violet Stella Jeanette (b. 1890, d. 1972)
- Oram
- Betty (b. 25 Jan 1929, d. 24 Nov 1963)
- Brian D (b. Mar 1929, d. Dec 1998)
- Clement Albert John (b. 30 Mar 1883, d. 25 Apr 1930)
- Clement William Ebenezer (b. 26 Sep 1852, d. 2 Nov 1906)
- Edward James E (b. 30 Mar 1883, d. 1883)
- Eric Andrews (b. 22 Jul 1920, d. 22 Jul 1983)
- Ernest (b. 1887, d. 27 Jul 1967)
- Ernest Clement William (b. abt 1926, d. 16 Jan 2004)
- Florence Jessie (b. 30 Apr 1920, d. Jul 1994)
- Jessie Kathleen (b. 1889, d. Sep 1966)
- Joan (b. 1919, d. bef 2019)
- Raymond C (b. 2 Jun 1923, d. Sep 1982)
- Robert Clement (b. 4 Aug 1921, d. 1982)
- Sidney James (b. Dec 1891, d. 21 Jul 1958)
- Sidney T (b. bet Jan 1920 and Mar 1920, d. bet Apr 1967 and Jun 1967)
- Stephen Andrew Charles (b. 22 Jul 1948, d. 31 Dec 1948)
- William Clement (b. 7 Jan 1912, d. 20 Feb 2002)
- William Richard Thomas (b. 8 Jan 1885, d. 4 Jul 1949)
- O'Reilly
- Organ
- Ormsby
- Kay (b. 26 Sep 1941, d. 25 Jul 1978)
- O'Rourke
- Orr
- Jean (b. 1840, d. bef 1940)
- Orth
- Anna (b. 2 Apr 1870, d. bef 1970)
- Osborn
- Osborne
- Ada Jane (b. 24 Sep 1902, d. 1981)
- Edna Jean (b. 19 Feb 1910, d. 20 Apr 1996)
- Eleanor (b. 12 Dec 1845, d. 21 Jan 1928)
- Elizabeth Ann (b. 1874, d. bef 1974)
- Frederick (b. 6 Apr 1891, d. Dec 1948)
- Gladys (b. 9 May 1921, d. 4 Mar 1968)
- Ivy Doreen, ("Flossie") (b. 5 Sep 1919, d. 7 Jul 1995)
- Jane (b. 1877, d. bef 1977)
Joan (b. 20 Jul 1682, d. bef 1782)- John (b. 16 Dec 1845, d. Dec 1924)
- John (b. abt 1868, d. 1 Apr 1940)
- Lavinia (b. 28 Jun 1852, d. 16 Jun 1942)
- Margaret (b. 1823, d. bef 1923)
- Margaret Ann (b. abt 1850, d. bef 1950)
- Mary (b. 1921, d. bef 2021)
William (b. 1663, d. bef 1763)- William (b. 25 May 1845, d. bef 1945)
- O'Shea
- Osmund
Ralph (b. abt 1066, d. aft 1086)
- O'Sullivan
- Oswald
- O'Toole
- Otts
- Hercules (b. 1586, d. 21 Jan 1662)
James (b. abt 1580, d. 6 Sep 1653)- James (b. 1618, d. bef 1718)
James (b. 1665, d. 1736)
John (b. 1553, d. 1609)
Thomas (b. 1627, d. 1702)
- Ough
- Oughrington
- Ould
- Owens
- Oxford
- Oxley
- Oyston
- Nola (b. 26 May 1929, d. 14 Oct 1981)
- Pack
- Packer
- Padley
- Page
- Paget
- Ellen (b. 18 Mar 1871, d. 12 Oct 1937)
- Gladys Augusta (b. 1893, d. 1953)
- Jack (b. 1871, d. 1955)
- John C (b. 1871, d. 1955)
- June Margaret (b. 15 Jun 1925, d. 6 Sep 2012)
- Louisa Ellen (b. 1895, d. 1974)
- Mervyn Eric (b. 1897, d. 1968)
- Nell (b. 1895, d. 1974)
- Vera Rachel (b. 1899, d. bef 1999)
- Violet John (b. abt 1897, d. bef 1997)
- Pahl
- Pain
- Paine
- Painter
- Ann (b. bef 14 Sep 1631, d. 1685)
Catherine (b. 22 Jun 1632, d. Jun 1708)- Elizabeth (b. abt 1674, d. bef 1774)
- Ephraim (b. abt 1600, d. bef 1700)
Jane (b. 1608, d. 15 Dec 1678)
John (b. 1586, d. 20 Jun 1671)
Mary (b. 1586, d. bef 1686)
Peter (b. 1606, d. 20 Jun 1671)- Sidney (b. abt 1901, d. bef 2001)
- Vera I (b. bef Jul 1901, d. bef 2001)
- Palk
- Palling
- Pallot
- Palmateer
- Palmer
- Pantulf
Alice (b. abt 1120, d. bef 1220)
Iseult (b. abt 1178, d. bef 1278)
Ivo (b. abt 1120, d. bet 1167 and 1176)
Joan (b. abt 1158, d. aft 1267)
Leclina (b. abt 1080, d. bef 1180)
Robert (b. abt 1100, d. 18 Oct 1130)
William, Lord of Wemme ("Lord of Wemme") (b. abt 1080, d. aft 1112)
William, of Breedon on the Hill ("of Breedon on the Hill") (b. abt 1140, d. bef 1240)
- Pappin
- Parcell
- Pardee
- Victor (b. abt 1896, d. bef 1996)
- Pardoe
- Matilda (b. abt Jul 1849, d. 14 Jun 1891)
- Paris
- Parish
Edward (b. abt 1700, d. bef 1800)
Hannah (b. 1720, d. bef 1820)