| Name | Line | Page | District | Soundex
| Olaffsen, Peter | 20 | 8A | 17 | O412
| | Oldham, Bernice | 83 | 7B | 29 | O435
| | Oldham, Edward P. | 51 | 1B | 17 | O435
| | Oldham, Ernest P. | 31 | 3A | 30 | O435
| | Oldham, James H. | 53 | 13B | 18 | O435
| | Oldham, John O. | 57 | 7B | 35 | O435
| | Oldham, Mabel | 82 | 7B | 29 | O435
| | Oldham, Marie | 6 | 6A | 17 | O435
| | Oldham, Raymond | 86 | 7B | 17 | O435
| | Oldham, Samuel W. | 29 | 6A | 35 | O435
| | Oldham, Samuel | 83 | 1B | 17 | O435
| | Oldham, Stanley | 87 | 1B | 17 | O435
| | Oldham, Stella | 85 | 7B | 17 | O435
| | Olfson, A. G. | 48 | 2A | 28 | O412
| | Olfson, Anders | 36 | 8A | 28 | O412
| | Olin, Ella F. | 79 | 3B | 26 | O450
| | Olin, Glenn | 78 | 3B | 26 | O450
| | Ollinger, John | 6 | 15A | 21 | O452
| | Olney, Beatrice W. | 45 | 2A | 37 | O450
| | Olney, Hyrum | 29 | 10A | 37 | O450
| | Olney, Jennie | 65 | 12B | 27 | O450
| | Olney, Joseph | 21 | 6A | 36 | O450
| | Olofson, Cora P. | 27 | 1A | 30 | O412
| | Olsen, Alice | 8 | 2A | 17 | O425
| | Olsen, Alma | 62 | 13B | 18 | O425
| | Olsen, Annie | 54 | 3B | 25 | O425
| | Olsen, Bena W. | 50 | 1A | 23 | O425
| | Olsen, Carl H. | 69 | 15B | 31 | O425
| | Olsen, Carl V. | 10 | 14A | 31 | O425
| | Olsen, Chas. | 62 | 3B | 28 | O425
| | Olsen, Christe F. | 4 | 8A | 25 | O425
| | Olsen, Christin M. | 21 | 17A | 31 | O425
| | Olsen, Francis | 20 | 3A | 25 | O425
| | Olsen, George Wilford | 56 | 2B | 23 | O425
| | Olsen, Hannah | 46 | 3A | 17 | O425
| | Olsen, Heber | 15 | 28A | 31 | O425
| | Olsen, Henry C. | 60 | 11B | 31 | O425
| | Olsen, Hilary | 98 | 1B | 23 | O425
| | Olsen, James | 75 | 6B | 28 | O425
| | Olsen, John E. | 43 | 15A | 31 | O425
| | Olsen, John | 8 | 5A | 31 | O425
| | Olsen, Karon | 88 | 4B | 24 | O425
| | Olsen, Lehi | 62 | 16B | 34 | O425
| | Olsen, Lloyd | 9 | 2A | 17 | O425
| | Olsen, Lorenzo A. | 86 | 1B | 23 | O425
| | Olsen, Louretz | 89 | 7B | 31 | O425
| | Olsen, Marion | 11 | 2A | 17 | O425
| | Olsen, Maud | 7 | 2A | 17 | O425
| | Olsen, Moses | 55 | 12B | 29 | O425
| | Olsen, Ofuf | 63 | 3B | 23 | O425
| | Olsen, Oful Peter | 72 | 1B | 23 | O425
| | Olsen, Ole | 73 | 7B | 17 | O425
| | Olsen, Paul. | 6 | 7A | 23 | O425
| | Olsen, Peter | 4 | 2A | 25 | O425
| | Olsen, Selma | 13 | 23A | 31 | O425
| | Olsen, Torgam | 25 | 8A | 25 | O425
| | Olsen, Vernon C. | 93 | 7B | 25 | O425
| | Olsen, Winona | 10 | 2A | 17 | O425
| | Olso, Neils S. | 77 | 4B | 20 | O420
| | Olson, Alma L. | 64 | 10B | 20 | O425
| | Olson, Andrew | 97 | 3B | 20 | O425
| | Olson, Anna P. | 5 | 15A | 34 | O425
| | Olson, Arthur | 25 | 9A | 34 | O425
| | Olson, C. B. | 83 | 16B | 34 | O425
| | Olson, Carl J. | 82 | 10B | 35 | O425
| | Olson, Carl | 65 | 14B | 34 | O425
| | Olson, Carl | 29 | 15A | 34 | O425
| | Olson, Carl | 47 | 15A | 36 | O425
| | Olson, Charles L. | 1 | 11A | 20 | O425
| | Olson, Charles | 41 | 11A | 21 | O425
| | Olson, David L. | 42 | 11A | 20 | O425
| | Olson, Earl | 70 | 14B | 21 | O425
| | Olson, Edward | 76 | 11B | 20 | O425
| | Olson, Ellen | 69 | 3B | 20 | O425
| | Olson, Elsa J. | 47 | 2A | 20 | O425
| | Olson, Erastus | 82 | 11B | 20 | O425
| | Olson, Eric | 21 | 9A | 36 | O425
| | Olson, Hans B. | 11 | 2A | 20 | O425
| | Olson, Harry J. | 48 | 11A | 20 | O425
| | Olson, Harry | 8 | 11A | 34 | O425
| | Olson, Heber | 29 | 14A | 34 | O425
| | Olson, Holger F. | 35 | 3A | 35 | O425
| | Olson, Hyrum | 76 | 10B | 20 | O425
| | Olson, James H. | 75 | 9B | 20 | O425
| | Olson, James P. | 31 | 2A | 20 | O425
| | Olson, James | 61 | 6B | 20 | O425
| | Olson, James | 88 | 9B | 20 | O425
| | Olson, James | 44 | 11A | 21 | O425
| | Olson, John | 66 | 12B | 29 | O425
| | Olson, Joseph H. | 4 | 12A | 20 | O425
| | Olson, Lee E. | 45 | 11A | 20 | O425
| | Olson, Leonard | 95 | 6B | 36 | O425
| | Olson, Leroy | 32 | 10A | 36 | O425
| | Olson, Lovinus | 1 | 10A | 20 | O425
| | Olson, Maria C. | 22 | 6A | 30 | O425
| | Olson, Martin | 57 | 4B | 20 | O425
| | Olson, Moses P. | 56 | 11B | 20 | O425
| | Olson, Neils P. | 5 | 4A | 20 | O425
| | Olson, Newel | 72 | 9B | 20 | O425
| | Olson, Niels | 41 | 1A | 20 | O425
| | Olson, Ola P. | 71 | 4B | 20 | O425
| | Olson, Ole | 15 | 2A | 21 | O425
| | Olson, Olof | 31 | 7A | 20 | O425
| | Olson, Peter S. | 42 | 8A | 31 | O425
| | Olson, Precilla | 82 | 6B | 36 | O425
| | Olson, Ruben E. | 46 | 1A | 20 | O425
| | Olson, Swen | 47 | 7A | 20 | O425
| | Olson, Wm. A. | 20 | 12A | 35 | O425
| | Olson, Zina | 83 | 2B | 3 | O425
| | Olsten, Lodicy G. | 31 | 14A | 35 | O423
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