| Name | Birth date | Birth location | Marriage date | Death date | Death location |
|---|
| Nuesbaum | | | | | |
| James Nuesbaum | | | | | |
| Pat Nuesbaum | | | | | |
| Richard Nuesbaum | | | | | |
| Virginia Nunly | | | | | |
| Shirley Nutter | May 1936 | Unknown | July 03, 1954 | | |
| Bruce Jerald Nuzum | 1946 | | | | |
| Bruce Jerald Nuzum, Jr. | 1965 | | | | |
| Heather Jane Nuzum | 1969 | | | | |
| Hilary Jo Nuzum | 1972 | | | | |
| Ada M. Nyhart | July 30, 1862 | | May 02, 1880 | | |
| Charles E. Nyhart | July 12, 1866 | Plymouth, Indiana | May 10, 1887 | | |
| Dessa Nyhart | February 19, 1888 | | September 06, 1905 | | |
| George W. Nyhart | May 28, 1836 | Pottsville Penn | October 04, 1875 | April 10, 1923 | buried in Plymouth, Indiana |
| Hazel Nyhart | July 07, 1889 | | 1906 | October 15, 1910 | |
| Winona Nyhart | October 03, 1891 | | February 17, 1909 | | |
| Jean Marie Oakes | October 03, 1939 | Albany, New York | October 11, 1958 | | |
| Deborah Lynette Oakley | 1969 | | | | |
| Deedra Leskelle Oakley | 1973 | | | | |
| Donald Lee Oakley | | | | | |
| Michael Oakley | Bef. 1969 | | | | |
| Nancy Oberdiek | March 02, 1954 | | July 31, 1982 | | |
| Cora Isabel Oberdier | August 21, 1899 | | February 05, 1921 | | |
| Harry Pringle Oberdier | October 18, 1873 | | November 26, 1896 | | |
| Amanda Christine Oberndorfer | July 27, 1869 | | July 16, 1891 | | |
| Eddie Oboy | | | | | |
| Gene Oboy | | | | | |
| Junie Oboy | | | | | |
| Michael Oboy | | | | | |
| Pam Oboy | | | | | |
| James Patrick O'Brien III | August 11, 1949 | | | | |
| ? O'Brien | | | | | |
| ? O'Brien | | | | | |
| Anna Marie O'Brien | June 26, 1983 | | | | |
| David O'Brien | | | | | |
| James Patrick O'Brien, Jr. | November 30, 1926 | | | September 16, 1985 | |
| Kevin Lee O'Brien | | | April 19, 1986 | | |
| Michael Robert O'Brien | April 08, 1951 | | | | |
| Neil Grant O'Brien | August 31, 1984 | | | | |
| Pamela Jean O'Brien | | | | | |
| Shannon Louise O'Brien | October 07, 1973 | | | | |
| Sheila Jean O'Brien | September 05, 1970 | | | | |
| Thomas Francis O'Brien | | | August 06, 1983 | | |
| Kevin O'Connell | | | | | |
| Colleen Jeanne O'Conner | August 24, 1938 | | | | |
| Mary Margaret O'Conner | | | | | |
| King of Kent Octa | Unknown | | | Abt 540 | |
| Oda | 577 | | | Unknown | |
| Lord Of Dutton Odard | Abt 1046 | Normandy | | Unknown | |
| Jeffrey Odell | | | | | |
