| Name | Spouse |
| Ocington, William | Mary// |
| O'Connell, James W. | Hamill, Marie |
| O'Connell, Mary Rose | Margason, Charles Edward |
| O'Daniel, Donna Faye | Payne, Glen |
| O'Daniel, Homer | Bemus, Violet Ethel |
| O'Dell, Benjamin F. | Gibson, Harriet |
| ODell, Frances M | Davis, John Beekman |
| O'Dell, Tony | |
| Odom, Sarah E. | Beals, Charles Newton |
| O'Donnell, Aslyn | |
| O'Donnell, Jeremiah | |
| O'Donnell, Katherine Ann | |
| O'Donnell, Robert John | |
| O'Donnell, Ron | Crawford, Sandra |
| O'Donnell, Thomas Joseph | Sipperell, Katherine Mary |
| O'Donnell, Thomas Joseph | |
| O'Donnell, Tiffany | |
| O'Driscoll, Unknown | Hadsell, June |
| Oelerking, Charles | |
| Oelerking, Claudius Max | Peterson, Anna Louise |
| Oelerking, David W. | |
| Oelerking, Edvin D | Gustafson, Jane M. |
| Oelerking, Florence | Gould |
| Oelerking, Fredrick | |
| Oelerking, Gustav David | Sundstrom, Hannah Kristina |
| Oelerking, Helen | Alexander, Peter |
| Oelerking, John | |
| Oelerking, Lisa | Bergsten, Ben |
| Oelerking, Margaurete Dorothy | Shearer, Murice John |
| Oelerking, Mary | Benson, Karl |
| Oelerking, William | |
| Oelerking, William Fredrik | Horthslman, Mary Ann |
| O'Halloran, Daniel Duane | Jones, Brenda Lee |
| O'Laughlin, Joseph | Roach, Ethel Mae |
| Oldaker, Earl | Lord, Rosalene |
| Oldaker, Margery E. | |
| Oldenkamp, Crystal Renee | Belcher, Christopher Robert |
| Oldenkamp, Keith Dale | Page, Donna Jayne |
| Oldenkamp, Kyrsten Lee Barnes | |
| Oldenkamp, Phillip Dale | Barnes, Carol |
| Oldenkamp, Sarah Ashley LaPorte | |
| Olds, Edith May | McAninch, Leslie Oliver |
| Olds, Lucretia | Battles, Benjamin Porter |
| Olds, Warren | Wetherbee, Rejoice |
| Olemacher, Marie | Weatherwax, Alexander |
| Olinger, Sheila | Denefrio, Timothy Wayne |
| Ollinger, Allen | Green, Mildred Dorothy |
| Olmstead, Ralph Leslie | Passenheim, Inez Ruth |
| Olsen, Doreen Lynn | |
| Olsen, John | Eastman, Wilma Elsie |