| O-1 | Obman, Richard and Eloise (Mosbo) | O-1 |
| O-1 | O'Brien, Frank and Elizabeth (Carolan) | O-1 |
| O-2 | O'Brien, Frank and Elizabeth (Carolan) cont. | O-2 |
| O-3 | O'Brien, Patrick and Ann (Farrell) | O-3 |
| O-3 | O'Brien, Patrick and Ann (Farrell) cont. | O-3 |
| O-3 | Ode, Paul and Clara (Nelson) | O-3 |
| O-3 | Ode, Peder G. and Jerend (Riste) | O-3 |
| O-4 | Ode, Peder G. and Jerend (Riste) cont. | O-4 |
| O-4 | Ode, Rudolph and Gail (Welper) | O-4 |
| O-5 | Ode, Rudolph and Gail (Welper) cont. | O-5 |
| O-5 | Oen, Helge and Borgine (Soliah) | O-5 |
| O-5 | Ohlert, Charles and Edna (Eppens) | O-5 |
| O-6 | Ohlert, Charles and Edna (Eppens) cont. | O-6 |
| O-6 | Ohloff, William and Shirley (Olson) | O-6 |
| O-6 | Olson, Leonard and June (Casterton) | O-6 |
| O-7 | Olson, Leonard and June (Casterton) cont. | O-7 |
| O-7 | Olson, Peter C. and Mary Julia (Emery) | O-7 |
| O-8 | Olson, Peter C. and Mary Julia (Emery) cont. | O-8 |
| O-8 | Olson, Peter and Julia (Emery) | O-8 |
| O-8 | Olson, Rocky and JanMarie (Moen) | O-8 |
| O-9 | Olson, Rocky and JanMarie (Moen) cont. | O-9 |
| O-9 | Olson, Vernon and Helen (Lovstuen) | O-9 |
| O-10 | Olson, Vernon and Helen (Lovstuen) cont. | O-10 |
| O-10 | Omdal, Ellef S. and Kari(Ormsdtr.) | O-10 |
| O-11 | Omdal, Ellef S. and Kari(Ormsdtr.) cont. | O-11 |
| O-11 | Opsahl, Eugene and Isabel (Josvanger) | O-11 |
| O-11 | Opsahl, Rev. Theodore and Dr. Helene (Aasen) | O-11 |
| O-11 | Oraker, Ingvar and Berit L. (Hamre) | O-11 |
| O-12 | Oraker, Ingvar and Berit L. (Hamre) cont. | O-12 |
| O-12 | Orvella, Helmer I. and Cora (Stoen) | O-12 |
| O-13 | Orvella, Helmer I. and Cora (Stoen) cont. | O-13 |
| O-13 | Osmundson, Bernt and Bertena (Anfinson) | O-13 |
| O-14 | Osmundson, Bernt and Bertena (Anfinson) cont. | O-14 |
| O-14 | Osmundson, Jeremias and Margit (Foss) | O-14 |
| O-15 | Osmundson, Jeremias and Margit (Foss) cont. | O-15 |
| O-15 | Osuldsen, Bertel and Marte (Gundersdtr) | O-15 |
| O-15 | Otteson, Orlando and Helen (Overacker) | O-15 |
| O-16 | Otteson, Orlando and Helen (Overacker) cont. | O-16 |
| O-16 | Otteson, Otto and Anna (Spilde) | O-16 |
| O-17 | Otteson, Otto and Anna (Spilde) cont. | O-17 |
| O-17 | Ottney, Leonard and Hazel (Forde) | O-17 |
| O-18 | Ottney, Leonard and Hazel (Forde) cont. | O-18 |
| O-18 | Owen, Nels and Kristi (Torgerson) | O-18 |
| O-18 | Overaccher, Joseph and Johanna (Korsen) | O-18 |
| O-19 | Overaccher, Joseph and Johanna (Korsen) cont. | O-19 |
| O-19 | Overhold, Paul and Norene (Smith) | O-19 |
| O-19 | Oxley, Anthony and alice (Nelson) | O-19 |
| O-20 | Oxley, Anthony and alice (Nelson) cont. | O-20 |
| | Surnames starting with P | |
| P-1 | Paley, Walter and Mary (Blackburn) | P-1 |
| P-2 | Paidar, LaVerne (Steele) | P-2 |
| P-2 | Palmer, Clair and Viola (Tieskotter) | P-2 |
| P-3 | Palmer, Clair and Viola (Tieskotter) cont. | P-3 |
| P-3 | Palmer, Henry and Florence (Schroeder) | P-3 |
| P-3 | Partridge, William | P-3 |
| P-4 | Pavlovec, William cont. | P-4 |
| P-4 | Pavlovec, Daniel and Grace (Huber) | P-4 |
| P-5 | Pavlovec, Daniel and Grace (Huber) cont. | P-5 |
| P-5 | Pavlovec, Daniel and Victoria (Goerend) | P-5 |
| P-5 | Pavlovec, James and Mary Ann (Riha) | P-5 |
| P-5 | Pavlovec, Joseph and Sherry (Williams) | P-5 |
| P-6 | Pavlovec, Joseph and Sherry (Williams) cont. | P-6 |
| P-6 | Pavlovec, Michael | P-6 |
| P-6 | Pavlovec, Victor and Ruth (Huber) | P-6 |
| P-6 | Peck, Victor and Ruth (Huber) | P-6 |
| P-6 | Peck, Diedrich -- Family | P-6 |
| P-7 | Peck, Diedrich -- Family cont. | P-7 |
| P-7 | Peckham, Nathan and Martha (Rockwell) and Descendants | P-7 |
| P-8 | Peckham, Nathan and Martha (Rockwell) and Descendants cont. | P-8 |
| P-9 | Peckham, Nathan and Martha (Rockwell) and Descendants cont. cont. | P-9 |
| P-9 | Pederson, Even and Ida (Borseth) | P-9 |
| P-9 | Pesek, Jacub and Barbara (Malicek) | P-9 |
| P-10 | Pesek, Jacub and Barbara (Malicek) cont. | P-10 |
| P-11 | Pesek, Jacub and Barbara (Malicek) cont. cont. | P-11 |
| P-11 | Peterson, Albert and Bertha (Engan) | P-11 |
| P-12 | Peterson, Albert and Bertha (Engan) cont. | P-12 |
| P-12 | Peterson, Charles and Rose (Rosendahl) | P-12 |
| P-13 | Peterson, Charles and Rose (Rosendahl) cont. | P-13 |
| P-13 | Peterson, Einar and Ingeborg (Nedahl) | P-13 |
| P-13 | Peterson, John and Lenora -- A Sketch | P-13 |
| P-14 | Peterson, John and Lenora -- A Sketch cont. | P-14 |
| P-15 | Peterson, John and Lenora -- A Sketch cont. cont. | P-15 |
| P-15 | Peterson, Julius and Helena (Williams) | P-15 |
| P-16 | Peterson, Julius and Helena (Williams) cont. | P-16 |
| P-17 | Peterson, Julius and Helena (Williams) cont. cont. | P-17 |
| P-17 | Peterson, Mikkel and Johanna (Olsdtr.) | P-17 |
| P-18 | Peterson, Mikkel and Johanna (Olsdtr.) cont. | P-18 |
| P-18 | Peterson, Oliver and Annie (Sollien) | P-18 |
| P-18 | Peterson, Peter and Johanna (Larson) | P-18 |
| P-19 | Peterson, Peter and Johanna (Larson) cont. | P-19 |
| P-19 | Peterson, Peter and Lottie (Langaas) | P-19 |
| P-20 | Peterson, Peter and Lottie (Langaas) cont. | P-20 |
| P-20 | Peterson, Usgaard - Ustgard - Lovoen | P-20 |
| P-21 | Peterson, Usgaard - Ustgard - Lovoen cont. | P-21 |
| P-21 | Peterson, Usgaard - Ustgard - Lovoen cont. cont. | P-21 |
| P-21 | Petrak, Aanton and Barbara (Kruchek) | P-21 |
| P-21 | Pfister, George and Anna(Cunnigham) | P-21 |
| P-22 | Pfister, George and Anna(Cunnigham) cont. | P-22 |
| P-22 | Pfister, Phillip, Sr. and Marguerite (Riehl) | P-22 |
| P-23 | Pfister, Phillip, Sr. and Marguerite (Riehl) cont. | P-23 |
| P-23 | Pfister, Phillip, Sr. and Marguerite (Riehl) cont. cont. | P-23 |
| P-23 | Pilgrim, Charles and Nancy (Boyer) | P-23 |
| P-23 | Pilgrim, Walter and Lottie (Birdsell) | P-23 |
| P-23 |
Polley, David -- Family |
P-23 |
| P-24 | Powers, Bartholomew Thomas (Brother Herbert Adrian, FSC) | P-24 |
| P-24 | Powers, Edward and Bertha (Hangartner) | P-24 |
| P-24 | Powers, Joseph and Hilda (Zweibohmer) | P-24 |
| P-24 | Prestsater, Roy and Debra (Cline) | P-24 |
| P-25 | Prestsater, Roy and Debra (Cline) cont. | P-25 |
| P-25 | Preus, Christian and Louise (Hjort) | P-25 |
| P-26 | Preus, Christian and Louise (Hjort) cont. | P-26 |
| P-26 | Preus, Ove Jacob and Amanda (Forde) | P-26 |
| P-27 | Preus, Ove Jacob and Amanda (Forde) cont. | P-27 |
| P-27 | Price -- Krumm, Family | P-27 |
| P-28 | Price -- Krumm, Family cont. | P-28 |
| P-28 | Price, Daniel and Nancy Price | P-28 |
| P-29 | Price, Daniel and Nancy Price cont. | P-29 |
| P-29 | Price, Daniel Arthur and Ruth (Krumm) Price | P-29 |
| P-29 | Price, Henry and Lottie (Olson) | P-29 |
| P-30 | Price, Lucile (Brickner) Brown | P-30 |
| P-30 | Price, Robert and Lillian (yager) | P-30 |
| P-31 | Price, Robert and Lillian (yager) cont. | P-31 |
| P-31 | Price, William and Cindy (Chiou-Hsin Lee) | P-31 |
| P-32 | Prideaux, Gerald and Juanita (Steele) | P-32 |
| | Surnames starting with Q | |
