| Name | aka | Birth date | Birth location | Marriage date | Marriage location | Death date | Death location |
| Derek Neemann | | | | | | | |
| Lisa Neemann | | | | | | | |
| Tony Neemann | | | | | | | |
| Trey Neemann | | | | | | | |
| Troy Neemann | | | | | | | |
| Hrolf Nefia | | | | | | | |
| Andrew J. Nelson | | | | | | | |
| Marcia F. Nelson | | November 7, 1858 | Danbury, New Hampshire | May 12, 1877 | | | |
| Nest | | | | | | | |
| Nest | | | | | | | |
| Catherine Neville | | 1399 | | WFT Est. 1427-1460 | | Abt. 1483 | |
| Eleanor Neville | | WFT Est. 1342-1365 | | WFT Est. 1374-1406 | | WFT Est. 1387-1453 | |
| Lady Cicely Neville | | May 3, 1415 | Raby Castle, Durham, England | Bef. October 18, 1424 | | May 31, 1495 | Berkhamsted Castle, Herts |
| Harry Alvin Newlin | | September 1, 1935 | Davidson County, Tennessee | January 24, 1958 | Morristown, Tennessee | | |
| Harry Wesley Newlin | | April 30, 1907 | Davidson County, Tennessee | December 23, 1933 | Franklin, Kentucky | | |
| Issac Newlin | | October 20, 1845 | Davidson County, Tennessee | | | | |
| Janet Elaine Newlin | | December 22, 1958 | Cincinnati, Ohio | October 22, 1982 | Knoxville, Tennessee | | |
| Jeffrey Scott Newlin | | July 29, 1961 | Knoxville, Tennessee | August 11, 1990 | Knoxville, Tennessee | | |
| Jim Newlin | | | | | | | |
| Sanford Crockett Newlin | | December 25, 1865 | Davidson County, Tennessee | | Davidson County, Tennessee | April 17, 1925 | Nashville, Tennessee |
| Mary Newsom | | | | | | | |
| Agnes Fitz Nigel | | 1110 | Holton, Yorkshire, England | WFT Est. 1141-1155 | | WFT Est. 1141-1204 | |
| Betsy North | | | | | | | |
| Francis North | | | | | | | |
| Sally North | | | | | | | |
| William North | | | | | | | |
| William Stanley North | | May 1, 1911 | Chicago, Illinois | | | March 23, 1987 | Gulfstream, Florida |
| Bridget O'Brien | | | | | | | |
| Inghin O'Byrne | | WFT Est. 1073-1095 | | WFT Est. 1111-1143 | | WFT Est. 1117-1182 | |
| Catherine Lynn O'Conner | | | | | | | |
| Octa of Kent, King of Kent | | | | | | Abt. 540 | |
| Oda | | 806 | | Abt. 836 | | May 913 | |
| Oda of Bavaria | | | | | | | |
| Ode | | | | | | | |
| Odo I, Count of Blois | | Abt. 950 | | Abt. 983 | | March 12, 995/96 | |
| Odo II, Count of Blois | Eudes | Abt. 990 | | 1003 | | | |
| Ogive of Luxemburg | | | | Abt. 1012 | | 1030 | |
| Oisc, King of Kent | Aesc, Oeric | | | | | Abt. 512 | |
| Ranult Olaf of Dublin ingen | Ragnhildir | | | | | | |
| Ingigerd (Anna) Olafsdottir | | Abt. 1001 | Sweden | 1019 | | February 10, 1049/50 | Kiev, Ukraine |
| Sihtric (Silkbeard) Olafsson, King of Dublin | | | | | | 1042 | Clontarf |
| Arch Olds | | | Indianapolis | | | | |
| Olga, Regent of Kiev | | Abt. 890 | | 903 | | 969 | Novogorod, Kiev |
| Ordgar, Ealdorman | | Abt. 922 | of Devonshire, England | WFT Est. 941-973 | | WFT Est. 951-1013 | |
| Osburga | | | | Abt. 830 | | 846 | |
| Thane of Isle of Wight Oslac | | | | | | | |
| Othon-Guillaume, Count of Macon & Nevers | | | | Abt. 982 | | September 21, 1026 | |
| Moore O'Toole | | 1114 | Leinster, Ireland | WFT Est. 1142-1166 | | 1191 | |
| Murcertac O'Toole | | 1080 | Ireland | WFT Est. 1111-1143 | | WFT Est. 1117-1171 | |
| Otto I (the Great), King of Germany | | November 23, 912 | | 929 | | May 7, 973 | |