| Oathout, Mary E. |
Benjamin |
| Oatman, Chas. P. |
Alice |
| Obern, Esther |
Job |
| Obern, John |
Hattie A. |
| Obier (Otier?), Josiah A. |
Martha |
| O'Brien, Geo. |
Alene |
| O'Brien, Mary |
John Patrick |
| Ocington, Mary |
Edward |
| O'Conner, John |
Lottie |
| O'Conner, Robert |
Mabel |
| Odell, Theodore R. |
Eliz. E. |
| O'Kieff, Katherine |
Frank |
| Oliver, Lottie |
Howard |
| Olson, Hans |
Mary Julia |
| Olstead, Angelina |
Levi |
| Orcutt, Harriet A. |
Wm. L. |
| Orcutt, Lucius J. |
Caroline F. |
| Oregon (O'Regan?), Mary |
Hobart |
| Ormes, James J. |
Sarah |
| Ormsby, Hannah |
William |
| Ormsby (Omsbee?), Nina S. |
Fred W. |
| Orr, William |
Emaline |
| Ortclan, Carrie |
Cora (Frank A.?) |
| Orband (Osband?), Phoebe |
Welcome |
| Osborne, Cynthia |
Phinehas |
| Osborne, Jonathan W. |
Mary |
| Osgood, Lucretia |
Benjamin |
| Ostrander, Isaac |
Sarah |
| Otier, Josiah A. |
Martha |
| Ottoway, Julia |
Bert L. |
| Owens, Abigail |
Nathaniel |
| Owens, Medbury |
Sarah |