| Name | Birth date | Birth location | Death date | Death location | Spouse |
| NEFZINGER, Barbara | | | | | LIVENGOOD, Peter |
| NEU, Geraldine | | | | | VENISHNICK, Joe Carl |
| NEVINS, Thomas Daniel | | | | | WILSON, Phyllis Shirley |
| NEWBERRY, Bonnie | | | | | MARSH, Terry |
| NICHOLS, Charles E. | 1883 | AR | | | CALLIS, Cora A. |
| NICODEMUS, Bessie | | | | | FORNEY, John Jacob |
| NIGH, Mildred J. | | | | | GORDON, Harry C., Jr. |
| NILSSON, Jakob | Abt. 1580 | Overmark Parish, Finland | | | MARGARETA, Ankan |
| NILSSON, Nils | Abt. 1527 | Overmark Parish, Finland | | | |
| NISULS, Anna Greta Henriksdotter | September 27, 1832 | | | | BROMMELS, Mickel Johansson |
| NIXEL, Jakob Hansson | July 01, 1761 | | | | BROMMELS, Anna |
| NOKES, Adrian | | | | | HEATH, Grace Fern |
| NORDLIND, Alf Leo | | | | | ANTFOLK, Ines Ingegard |
| NORDQUIST | | | | | VENISHNICK, Kim |
| NORDQUIST, Ana | | | | | |
| NORDQUIST, Eric | | | | | |
| NORMA | | | | | SMITH, Herbert E. |
| NORRIS, Jane | 1846 | | May 30, 1870 | | HARKER, David Beaver |
| NORTHINGTON, Jay | | | | | COLE, Coy |
| NUMMERDOR, Lawrence | | | | | FLANAGAN, Elizabeth Ann |
| NUNNERY, Heather | | | | | |
| NUNNERY, Steven | | | | | HOFMASTER, Denise |
| NUNNERY, Steven,Jr. | | | | | |
| NUNNERY, William | | | | | |
| NYMAN, Petter August | March 16, 1885 | | | | BROMMELS, Lisa Johanna |
| OAKS, Lavinia Catherine | 1844 | TN | | | FORD, John D. |
| OEFFNER, Rachel Renee | | | | | O'REILLY, Michael Sean |
| OGAN, Granville | December 16, 1846 | | January 24, 1933 | Cashmere?, WA | FORNEY, Emma Catherine |
| OGDEN, Aurella La Velle | | | | | HORNER, Donald David |
| OJST, Anna Lisa Mattsdotter | December 25, 1837 | | January 26, 1901 | | BROMMELS, Carl Johan Eriksson |
| OJST, Selma Selina | July 16, 1893 | | March 05, 1937 | | BROMMELS, Johannes Severin |
| OLOFSDOTTER, Beata | April 06, 1759 | | August 05, 1793 | | BROMMELS, Mickel Andersson |
| OLOFSSON, Erik | May 13, 1770 | Pjelax, Finland | May 04, 1850 | | BROMMELS, Margareta |
| OLSEN, Orville Ilin | March 24, 1889 | Lee Co., IL | | | HORNER, Ruth Rosemary |
| OLSON, Alice | | | | | HORNER, Kenneth Kermit |
| OMESSA, Johanna Gabrielsdotter | August 31, 1849 | | | | BROMMELS, Johan Erik |
| OMOSSA, Gabriel Vilhelm Gabrielsson | May 19, 1874 | | | | BROMMELS, Johanna Elisabet |
| O'NEAL, Catherine Elizabeth | July 28, 1850 | | February 05, 1908 | | FORNEY, William Wesley |
| O'NEAL, Mary E. | August 28, 1852 | | | | FORNEY, Joseph Clay |
| O'REILLY, Brian Daniel | | | | | |
| O'REILLY, Daniel Redmond | | | | | STRELITZER, Carla Jeanne |
| O'REILLY, Erin Noelle | | | | | |
| O'REILLY, Michael Sean | | | | | OEFFNER, Rachel Renee |
| O'REILLY, Shannon Leigh | | | | | ANDERS, Brett Michael |
| ORES, Lucy | | | | | ALLEMAN, Victor |
| OSBOURN, Grace Lydia | November 22, 1872 | May Day, Clay Co., KS | February 14, 1929 | Grandview, Yakima Co., WA | HARKER, Jacob Marion |
| OSBOURN, Joseph P. | | | Abt. 1898 | Cripple Creek, CO | SILVERS, Jane |
| OSBOURN, Owen | 1818 | | 1891 | | MEREDITH, Lydia |
| OSTERLUND, Karl Erik | 1862 | Martens, Finland | | | BROMMELS, Helena |
| OUGHTON, LaVerne | | | | | |