| Name | Location 1 | Location 2 | Notes |
|---|---|---|---|
| Olney, Hezekiah | An index compiled by Brent T. Peterson | ||
| Olson, Axel H | An index compiled by Brent T. Peterson | ||
| Olson, Chas | An index compiled by Brent T. Peterson | ||
| Olson, Chris L | An index compiled by Brent T. Peterson | ||
| Olson, Frank | An index compiled by Brent T. Peterson | ||
| Olson, Gilbert | An index compiled by Brent T. Peterson | ||
| Olson, Harry A | An index compiled by Brent T. Peterson | ||
| Olson, Jno A | An index compiled by Brent T. Peterson | ||
| Olson, Jos | An index compiled by Brent T. Peterson | ||
| Olson, Ole P | An index compiled by Brent T. Peterson | ||
| Olstad, Danl R | An index compiled by Brent T. Peterson | ||
| O'Neal, Alice G | An index compiled by Brent T. Peterson | ||
| O'Neal, Timothy | An index compiled by Brent T. Peterson | ||
| Opsahl, Mary H | An index compiled by Brent T. Peterson | ||
| Orff, Floyd D | An index compiled by Brent T. Peterson | ||
| Orff, Royal C | An index compiled by Brent T. Peterson | ||
| O'Shaughnessy, Jno | An index compiled by Brent T. Peterson | ||
| Oslund, Einer | An index compiled by Brent T. Peterson | ||
| Oslund, Swan | An index compiled by Brent T. Peterson | ||
| Ostrom, Peter E | An index compiled by Brent T. Peterson | ||
| Otterdahl, Erick | An index compiled by Brent T. Peterson | ||
| Palmersten, Louis | An index compiled by Brent T. Peterson | ||
| Pankonin, Emil E | An index compiled by Brent T. Peterson | ||
| Parker, Isabelle | An index compiled by Brent T. Peterson | ||
| Parker, Joseph | An index compiled by Brent T. Peterson | ||
| Parsons, Arvid | An index compiled by Brent T. Peterson | ||
| Paulzine, Jno | An index compiled by Brent T. Peterson | ||
| Payette, Frederick | An index compiled by Brent T. Peterson | ||
| Payette, Henrietta | An index compiled by Brent T. Peterson | ||
| Pennington, James | An index compiled by Brent T. Peterson | ||
| Peterson, Adolph | An index compiled by Brent T. Peterson | ||
| Peterson, Andrew C | An index compiled by Brent T. Peterson | ||
| Peterson, Andrew W | An index compiled by Brent T. Peterson | ||
| Peterson, Chas J | An index compiled by Brent T. Peterson | ||
| Peterson, Christine | An index compiled by Brent T. Peterson | ||
| Peterson, Edward M | An index compiled by Brent T. Peterson | ||
| Peterson, Elof | An index compiled by Brent T. Peterson | ||
| Peterson, Frank G | An index compiled by Brent T. Peterson | ||
| Peterson, Godfrey | An index compiled by Brent T. Peterson | ||
| Peterson, John F | An index compiled by Brent T. Peterson | ||
| Pevey, Henry L | An index compiled by Brent T. Peterson | ||
| Pitman, Christine | An index compiled by Brent T. Peterson | ||
| Pitman, Edward S | An index compiled by Brent T. Peterson | ||
| Plaster, Gust A | An index compiled by Brent T. Peterson | ||
| Plaster, Henrietta | An index compiled by Brent T. Peterson | ||
| Plaster, Theodore R | An index compiled by Brent T. Peterson | ||
| Ponath, Chas E | An index compiled by Brent T. Peterson | ||
| Pospeshenske, Josephine | An index compiled by Brent T. Peterson | ||
| Pratt, Willis D | An index compiled by Brent T. Peterson | ||
| Prescott, David | An index compiled by Brent T. Peterson |