Names |
Born |
Died |
| OAKLEY | ||
| Margery De | born 1287 | died 1323 |
| Richard De | born 1271 | |
| OBALDESTON | ||
| Unknown | born 1315 | |
| OBER | ||
| Richard | ||
| OBER ISAR | ||
| Fredrich I (Count) | born 972 | died 1030 |
| OBERLOTHRINGEN | ||
| Petronille (Princess) | born 1086 | died 24 May 1144 |
| OBOTRITES | ||
| Astrid Of Sweden (Queen) | born 979 | |
| Mieceslas Of (Prince) | born 919 | died 999 |
| Mistui Christian (Prince) | born 893 | died 985 |
| O'BRIEN | ||
| Lafracoth | born 1076 | |
| O'BYRNE | ||
| Inghin | born 1094 | |
| O'CARROLL | ||
| James | born 1765 | died 1792 |
| ODINGSELLS | ||
| Edward | born 1105 | |
| Hugh De | born 1165 | died 1239 |
| Hugh De | born 1128 | |
| Ida | born 1270 | died 1 Mar 1321 |
| Isabel | born 1202 | |
| William De | born 1216 | |
| ODINSSON | ||
| Sigar | born 625 | |
| O'DWYER | ||
| Frances | born 3 Mar 1804 | died 16 Nov 1872 |
| Valentine | born Abt 1778 | |
| OEM | ||
| Jacob | born 1487 | |
| Lucretta Jacobs | born 1513 | died 1565 |
| OENINGEN | ||
| Cuno (Count) | born 948 | died 1036 |
| Itha Von | born 950 | died 16 Oct 1020 |
| OFLAFSSON | ||
| Rognvald | born 816 | died 850 |
| OGDEN | ||
| Joanna | ||
| OGILVY | ||
| Isabell | born 1723 | |
| OGLE | ||
| Dorothy | born 1541 | |
| OHNINGEN | ||
| Hemma (Countess) | born 990 | |
| Kuno (Count) | born 965 | |
| OISY | ||
| Fastre De | born 1080 | died 1111 |
| Fastre De | born 1055 | |
| Wauthier De | born 1105 | died 1147 |
| OKELBERRY | ||
| Edna | born 18 Mar 1909 | died 6 Dec 1995 |
| OLAFSDOTTER | ||
| Astrid | born 999 | |
| Gyrithe Of Denmark (Queen) | born 905 | |
| Ingrid Of Sweden (Princess) | born 1001 | died 10 Feb 1050 |
| Ragnhild | born 1117 | |
| OLAFSSON | ||
| Alf | born 850 | |
| Dan | born 412 | |
| Gudbrand "Kula" | born 923 | |
| Halfdan "Hvitbein" In Uppsala (King) | born 704 | |
| Helgi | born Abt 802 | |
| Thorstein "The Red" | born 858 | died 888 |
| OLESEN | ||
| Maren | born 1683 | |
| Soren | born 1622 | |
| OLMSTEAD | ||
| Abigail | born 23 Feb 1818 | died 26 Jul 1891 |
| Anne | born 1566 | died 11 Feb 1624 |
| Harvey | born 10 Feb 1794 | died 1 Mar 1879 |
| Israel | born 5 Sep 1757 | |
| John | born 1540 | |
| OLOFESSON | ||
| Ingrid | ||
| OLOFSSON | ||
| Elin | born 1667 | died 25 Feb 1743 |
| Per | born 1744 | died 26 Jun 1769 |
| OLSEN | ||
| Erastus | born 1 Apr 1863 | died 14 Dec 1957 |
| Soren | ||
| OLSSON | ||
| Lars | born 1711 | died 7 Jun 1763 |
| OLUFSDATTER | ||
| Karen | born 1659 | died 1694 |
| OLUFSEN | ||
| Margaretha | born 1696 | died 1738 |
| OMAN | ||
| Aaron Gustaf | born 1 Jul 1840 | died 14 Jul 1916 |
| Edess Anona | born 10 Dec 1905 | died 13 Nov 1999 |
| John William | born 14 Aug 1872 | died 31 Oct 1955 |
| Peter Nilsson | born 6 Jun 1806 | died 24 Dec 1878 |
| ONUNDSSON | ||
| Ingjald "Braut" "The Wicked" In Sweden (King) | born 660 | |
| O'OLAF | ||
| Rhanulit | born 1031 | |
| OPIE | ||
| Sarah | ||
| ORDE | ||
| Elizabeth De | born 1439 | |
| Peter De | born 1387 | |
| ORDONEZ | ||
| Ximena | born 1130 | |
| OREBY | ||
| Clemence | born 1221 | |
| Philip De | born 1200 | |
| ORIO | ||
| Unknown | born 1008 | |
| ORKNEY | ||
| Ariogia (Countess) | born 1015 | |
| ORLEANS | ||
| Aubri "Dux" (Viscount) | born 850 | died After 886 |
| Ermentrude of | born 825 | died 8 Oct 869 |
| Eudes of (Count) | born 800 | |
| Geoffrey | born 825 | |
| Geoffrey (Viscount) | born 875 | died After 942 |
| OROM | ||
| Joan | ||
| ORREBY | ||
| Agnes De | born 1220 | |
| Alice De | born 1260 | |
| Fulk De | born 1234 | |
| Isabel | born 1280 | |
| Philip De | born 1195 | |
| Thomas | born 1254 | |
| ORSEOLO | ||
| Frowila (Princess) | born 991 | died 17 Feb 1058 |
| Ottone | born 970 | |
| OSBORN | ||
| Nest Verch | born 1079 | |
| OSBORNE | ||
| Jeremiah | born 20 Mar 1624 | died 26 Apr 1676 |
| Jeremy | born 4 Feb 1570 | died 8 Feb 1620 |
| Mary | born 29 Mar 1653 | died 28 Nov 1726 |
| Thomas | born 1594 | died 26 Nov 1677 |
| Thomas | born 1550 | died 12 Oct 1611 |
| OSGOOD | ||
| Eunice | ||
| OSSORIO | ||
| Elvira Alvarez De | born 1258 | |
| OSTMARK | ||
| Adelheid (Princess) | born 1041 | died 1074 |
| Died II (Margrave) | born 1015 | |
| OSULE | ||
| Unknown | born 1015 | |
| O'TOOLE | ||
| Duncan | born 1030 | |
| Gillacaemphil | born 1005 | |
| Gillachomhghaill | born 1055 | |
| Gillachomhghaill | born 980 | died 1041 |
| More | born 1114 | died 1191 |
| Murcertac | born 1089 | |
| OTTARSSON | ||
| Adils "Athils" In Uppsals (King) | born 572 | |
| OTTISON | ||
| Bengta | born 1656 | |
| OVERMAN | ||
| Edward | born 1625 | |
| Jacob | born 20 Oct 1678 | died 8 Jul 1715 |
| Jacob | born 1652 | died 12 Sep 1715 |
| John | born 3 Nov 1733 | died 1804 |
| Miriam | born 1 Jul 1764 | |
| Thomas | born 20 Jul 1704 | died 3 Nov 1761 |
| OVERTON | ||
| Alice De | born 1389 | |
| OWAIN | ||
| Anghared Verch | born 1065 | died 1162 |
| Einon Ap | born 933 | died 984 |
| Gronwy Ap | born 1073 | died 1124 |
| Gwenllian Verch I | born 1124 | |
| Gwenwynwyn AP | born 1151 | died 1216 |
| Iorwerth "Drwyndwn" Ap | born 1145 | died 1184 |
| Maredydd AP | born 943 | |
| Tangwysti Verch | born 794 | |
| OWEN | ||
| David AP | ||
| Foghan | born 337 | died 405 |
| Nancy | born Abt 1800 | died Bef 1850 |
| Thomas | born 1774 | |
| OWENS | ||
| Benjamin | born Abt 1765 | died Abt 1809 |
| Caroline Amelia | born 6 Jul 1821 | died 1 Sep 1895 |
| James Clark | born 7 Jul 1797 | died 11 Jan 1847 |
| Temperance | born 20 Apr 1745 | died 19 Apr 1849 |
| OWLEY | ||
| Elizabeth | ||
| OXTON | ||
| Alice | born 1204 | |
| Ranulph De | born 1170 | |
| OYLER | ||
| Earl H. | born 17 Oct 1917 | died 21 Jan 2001 |
| Kathryn Ann | born 15 Jun 1947 |