O - Maiden Name
Maiden Name |
Married Name |
County |
|---|
| Oakes, Ann | Crowley, Mrs. Dennis | Brown |
| Oakes, Ellen Mary | Head, Mrs. H. G. | Edmunds |
| O'Brien, Ann | Mother Mary Anthony O'Brien | Miner |
| O'Brien, Catherine | Lawrence, Mrs. Oliver | Miner |
| O'Brien, Ida | Lang, Mrs. Mahon H. | Lawrence |
| O'Brien, Mary C. | Kadinger, Mrs. John W. | Miner |
| O'Brien, Mary Josephine | Kadinger, Mrs. John | Miner |
| O'Conner, Hanna | Galvin, Mrs. William | Spink |
| O'Connor, Anastasia | Twiss, Mrs. Frank | Spink |
| O'Connor, Elizabeth | Walter, Mrs. Timothy Sylvester | Union |
| Odegaard, Amy Ingegorg | Berguin, Mrs. Fank | Hyde |
| Odegaard, Anna Bertina | Hyde | |
| Odegaard, Berit Christina | Hyde | |
| Odegaard, Ida Amelia | Hyde | |
| Odegaard, Ida Amelia | Remsburg, Mrs. Walker | Hyde |
| Odegaard, Ruth | Hyde | |
| O'Dell, Mary | Patterson, Mrs. James H. | Yankton |
| O'Donald, Hannah | Quinn, Mrs. Edward J. | Hyde |
| O'Donnell, Mary | Quirk, Mrs. John | Hyde |
| O'Dowd, Helen "Nel" Frances | Lewis, Mrs. H. L. | Minnehaha |
| Oertli, Edna Aurora | Bon Homme | |
| Oertli, Edna Aurora | Brown | |
| O'Hara, (?) | Cary, Mrs. Fremont "Mont" | Kingsbury |
| Olander, Julia | Price, Mrs. Arthur W. | Minnehaha |
| O'Leary, Margaret | Martin, Mrs. Edmund | Hutchinson |
| O'Leary, Nellie | O'Leary, Mrs. James T. | Lake |
| Oligmueller, Justina | Schaefers, Mrs. Conrad | Hand |
| Olsen, Anna | Shaw, Mrs. David C. | Codington |
| Olsen, Christina Murie | Andrews, Mrs. Nels C. | Turner |
| Olson, Alma Christina | Dahl, Mrs. John | Deuel |
| Olson, Angie C. | Flick, Mrs. Archie E. | Walworth |
| Olson, Anna | Arneson, Mrs. Moses | McCook |
| Olson, Anna Christine | Grant | |
| Olson, Clara | Pederson, Mrs. George | Moody |
| Olson, Ella A. | Long, Mrs. Edward | Beadle |
| Olson, Ella A. | Long, Mrs. Edward | Grant |
| Olson, Emma | Westfall, Mrs. William | Brule |
| Olson, Eva S. | Huse, Mrs. Christian | Minnehaha |
| Olson, Gunella "Nellie" | Eddy, Mrs. Elmer | Grant |
| Olson, Ida | Nelson, Mrs. E. M. | Minnehaha |
| Olson, Ida | Peterson, Mrs. Thorstein A. | Minnehaha |
| Olson, Ingeborg | Arnston, Mrs. Nels | Minnehaha |
| Olson, Josephine | Ross, Mrs. Olof E. | Grant |
| Olson, Julia | Wager, Mrs. Sidney S. | Clay |
| Olson, Lena | Westby, Mrs. Anton | Lake |
| Olson, Lida | Durick, Mrs. Dennis | Day |
| Olson, Madelena | Anderson, Mrs. Cornelius | Corson |
| Olson, Martha | Johanson, Mrs. Soren M. | Moody |
| Olson, Mathilda | Beck, Mrs. Olaf | Marshall |
| Olson, Olive Mattie "Mattie O." | Pixley, Mrs. Fred Ido | McCook |
| Opdahl, Anna | Thompson, Mrs. Thosten | Minnehaha |
| Opland, Oline | DeBuhr, Mrs. Martin | Clay |
| Opp, Katharina | Neuharth, Mrs. John G. | McPherson |
| Oppenheimer, Amalia | Colman, Mrs. Nathan | Lawrence |
| Opstedahl, Bessie | Rislov, Mrs. Ole | Minnehaha |
| O'Rourke, Clara | Farley, Mrs. Thomas B. | McCook |
| Orr, Carrie Bell | Frinkman, Mrs. Charles | Lincoln |
| Orr, Edith | Matz, Mrs. Thomas | Lawrence |
| Orth, Elisabeth, J. | Seidel, Mrs. John | Perkins |
| Ortness, Kristianna | Trygstad, Mrs. Nils | Brookings |
| Orton, Hannah | Larson, Mrs. Nels | Clay |
| Osborn, Cora Lenora | Lucas, Mrs. S. M. | Tripp |
| Oschner, Pearl | Colby, Mrs. Berton E. | Brule |
| Osmundson, Cecilia | Peterson, Mrs. Andrew | Brule |
| Oster, (?) | Friske, Mrs. John D. | McPherson |
| Ostroot, Christine | Kingsbury | |
| Oswald, Angeline | Salmon, Mrs. Ralph | Miner |
| Oswald, Clara | Frakel, Mrs. Henry | Miner |
| Oswald, Josie | Miner | |
| Oswald, Louise | Foulkes, Mrs. Evan | Miner |
| Oswald, Teheres | Walburn, Mrs. Herman | Miner |
| Otto, Clara M. | Weisman, Mrs. Lou | Spink |
| Ovaitt, Alice | Sauer, Mrs. Denny A. | Beadle |
| Overacker (Overdaker), Edith | Wright, Mrs. John E. | Brule |
| Overbee, Sadie J. | Steensma, Mrs. Charles | Grant |
| Overland, Lillian | Matheny, Mrs. Earl | Faulk |
| Overseth, Caroline | Vereide, Mrs. Arnie | Campbell |
| Ovren, Anna | Skoug, Mrs. Even | Minnehaha |
| Ovren, Carrie | Barton, Mrs. John | Minnehaha |
| Ovren, Rena | Thompson, Mrs. Andrew | Minnehaha |
| Ovren, Thina | Solie, Mrs. Christian | Minnehaha |
| Owen, Amelia Elvira | Bowes, Mrs. William Smith | Kingsbury |
| Owen, Ida Emma | Bickelhaupt, Mrs. William George. | Edmunds |
| Owen, Julia Belle | Pringle, Mrs. Edward (Edwin) R. | McCook |
| Owens, Ellen | Steadman, Mrs. John William | Union |
| Owens, Margaret | Halbert, Mrs. James | Butte |