| Surname | Given | Birth or Age | County | Reel | Seq | Corr |
|---|---|---|---|---|---|---|
| Otoman | Frank | 1897 | Klamath | 11 | 457 | |
| Otoman | James Jerry | 1898 | Klamath | 11 | 458 | |
| Otranen | Albin | 1883 | Clatsop | 4 | 4322 | |
| Otsubo | Kaiichi | 1884 | Portland 2 | 19 | 4260 | *Ott |
| Otsuka | Yaokichi | 1877 | Portland 1 | 18 | 478 | |
| Otsuki | Iwajiro | 1877 | Portland 2 | 19 | 4261 | *Ott |
| Otsuki | Masuichi | 1889 | Clatsop | 4 | 4323 | |
| Otsuki | Ruuzo | 1877 | Baker | 1 | 3030 | |
| Otsuki | Seiichi | 1897 | Portland 1 | 18 | 476 | |
| Otsuki | Takayoshi | 1899 | Portland 1 | 18 | 477 | |
| Ott | Allen E | 1890 | Portland 4 | 21 | 5585 | |
| Ott | Arthur | 1882 | Portland 10 | 27 | 2799 | |
| Ott | Benjamin | 1887 | Wasco | 31 | 930 | |
| Ott | Carl Joseph | 1884 | Washington | 31 | 5152 | |
| Ott | Cornelius | 1882 | Washington | 31 | 5151 | |
| Ott | Ed | 1881 | Clackamas | 3 | 2499 | |
| Ott | Edward Adam | 1900 | Portland 7 | 25 | 188 | |
| Ott | Emil Charles | 1881 | Portland 10 | 27 | 2800 | |
| Ott | Frank | 1876 | Clackamas | 3 | 2500 | |
| Ott | Frank | 1885 | Portland 2 | 19 | 4256 | |
| Ott | George | 1888 | Clackamas | 3 | 2501 | |
| Ott | Harry H | 1878 | Multnomah | 16 | 1973 | *Quo |
| Ott | Henry Frank | 1895 | Tillamook | 28 | 1454 | |
| Ott | Henry John | 1881 | Umatilla | 29 | 257 | |
| Ott | Isaac | 1877 | Marion 2 | 15 | 2563 | |
| Ott | Jacob | 1882 | Marion 2 | 15 | 2564 | |
| Ott | James B | 1895 | Portland 4 | 21 | 5586 | |
| Ott | Jesse James | 1886 | Coos | 6 | 3828 | |
| Ott | Jesse Mathew | 1889 | Wasco | 31 | 931 | |
| Ott | John | 1875 | Union | 30 | 487 | |
| Ott | John M | 1877 | Portland 4 | 21 | 5587 | |
| Ott | Milton Orlando | 1881 | Portland 3 | 20 | 3930 | *Oat |
| Ott | Otto George | 1897 | Union | 30 | 488 | |
| Ott | Otto Thornton | 1886 | Portland 6 | 24 | 440 | |
| Ott | Pheren Dean | 1880 | Tillamook | 28 | 1455 | |
| Ott | Phillip James | 1876 | Marion 1 | 14 | 5027 | |
| Ott | Raymond Lambert | 1900 | Portland 2 | 19 | 4257 | |
| Ott | Reginald G | 1888 | Portland 6 | 24 | 441 | |
| Ott | Ross Alfus | 1872 | Portland 4 | 21 | 5588 | |
| Ott | Roxie Guy | 1886 | Portland 10 | 27 | 2801 | |
| Ott | Roy | 1894 | Clackamas | 3 | 2502 | |
| Ott | Sam Robert | 1881 | Coos | 6 | 3829 | |
| Ott | Stanley Howard | 1885 | Portland 4 | 21 | 5589 | |
| Ott | William Ellsworth | 1883 | Douglas | 8 | 1484 | |
| Ott | William John | 1883 | Multnomah | 16 | 1974 | *Quo |
| Ottaway | Miles Vinton | 1882 | Marion 2 | 15 | 2565 | |
| Ottaway | Percy Orren | 1885 | Marion 2 | 15 | 2566 | |
| Otte | Alvin Oscar | 1888 | Portland 9 | 26 | 2822 | |
| Otte | George | 1874 | Umatilla | 29 | 258 | |
| Otte | George Henry | 1895 | Polk | 16 | 4877 | |
| Otte | John Corneil | 1876 | Portland 9 | 26 | 2823 | |
| Ottenheimer | Sigmund William | 1874 | Portland 1 | 18 | 479 | |
| Otter | John Jacob | 1874 | Portland 10 | 27 | 2802 | |
| Otter | William | 1878 | Portland 2 | 19 | 4258 | |
| Otterbein | Elmer | 1888 | Marion 1 | 14 | 5028 | |
| Ottersen | Otto | 1891 | Portland 10 | 27 | 2803 | |
| Otterson | Alfred Ole | 1884 | Tillamook | 28 | 1456 | |
| Otterstedt | George Benjamin | 1874 | Portland 10 | 27 | 2804 | |
| Otterstrom | Albert | 1890 | Marion 2 | 15 | 2567 | |
| Otterstrom | Freeman | 1887 | Coos | 6 | 3830 | |
| Otterstrom | Gust William | 1877 | Portland 8 | 25 | 5166 | |
| Otterstrom | Harry R | 1888 | Portland 8 | 25 | 5165 | |
| Otterstrom | Joseph Frank | 1894 | Marion 2 | 15 | 2568 | |
| Ottesen | Frank V T | 1883 | Portland 3 | 20 | 4009 | |
| Ottesen | Jacob Adel | 1894 | Clatsop | 4 | 4325 | |
| Otth | Fritz | 1893 | Yamhill | 32 | 4401 | |
| Ottingen | Jason Charles | 1880 | Jackson | 9 | 5567 | |
| Ottinger | James Henry | 1874 | Yamhill | 32 | 4532 | *Pet |
| Ottinger | John Luther | 1896 | Yamhill | 32 | 4402 | |
| Ottinger | Lee Roy | 1897 | Yamhill | 32 | 4403 | |
| Ottinger | Raymond | 1877 | Washington | 31 | 5153 | |
| Ottinger | Tom | 1895 | Yamhill | 32 | 4404 | |
| Ottke | Harry | 1894 | Umatilla | 29 | 259 | |
| Ottke | Harry | 1894 | Portland 3 | 20 | 4010 | |
| Ottman | George Herman | 1889 | Portland 6 | 24 | 442 | |
| Otto | Alvin | 1891 | Deschutes | 7 | 3537 | |
| Otto | Alvin K | 1897 | Portland 7 | 25 | 189 | |
| Otto | Armin Karl Julius | 1882 | Klamath | 11 | 460 | |
| Otto | Christie Ernest | 1886 | Marion 2 | 15 | 2569 | |
| Otto | Clarence William | 1892 | Wallowa | 30 | 3546 | |
| Otto | David August | 1878 | Yamhill | 32 | 4407 | |
| Otto | Emil Edward | 1892 | Portland 4 | 21 | 5590 | |
| Otto | Ewald Oscar | 1879 | Union | 30 | 489 | |
| Otto | Frank | 1886 | Morrow | 15 | 4562 | |
| Otto | Frederick William | 1895 | Clatsop | 4 | 4324 | |
| Otto | Harold C | 1895 | Multnomah | 16 | 1975 | *Quo |
| Otto | Henry | 1888 | Portland 8 | 25 | 5163 | |
| Otto | Henry, (Jr) | 1889 | Yamhill | 32 | 4408 | |
| Otto | Israel Allen | 1876 | Coos | 6 | 3831 | |
| Otto | Joe | 1881 | Curry | 7 | 1650 | |
| Otto | Joseph Jackson | 1886 | Coos | 6 | 3832 | |
| Otto | Leonard Lewis | 1874 | Portland 1 | 18 | 480 | |
| Otto | Louis Frank | 1885 | Portland 9 | 26 | 2824 | |
| Otto | Lucien Warren | 1890 | Portland 10 | 27 | 2805 | |
| Otto | Oscar R | 1873 | Morrow | 15 | 4563 | |
| Otto | Samuel | 1880 | Yamhill | 32 | 4409 | |
| Otto | Stanley | 1890 | Grant | 8 | 5149 | |
| Otto | William Frederick | 1879 | Portland 9 | 26 | 2825 | |
| Ottoboni | Antonius | 1884 | Portland 10 | 27 | 2806 | |
| Ottoman | Joseph | 1891 | Portland 2 | 19 | 4259 | |
| Ottoman | Milton | 1890 | Jackson | 9 | 5568 | |
| Ottoson | Axel William | 1886 | Portland 3 | 20 | 4011 | |
| Otts | Fred Gerald | 1884 | Klamath | 11 | 459 | |
| Otty | George Alfred | 1893 | Clackamas | 3 | 2503 | |
| Otty | James S | 1897 | Clackamas | 3 | 2504 | |
| Otty | Roy John | 1891 | Clackamas | 3 | 2505 | |
| Otzen | Christian | 1873 | Tillamook | 28 | 1457 | |
| Ouchi | Masamichi | 1887 | Portland 2 | 19 | 4262 | |
| Ouchida | Kudo | 1879 | Portland 1 | 18 | 481 | |
| Ouderkirk | Cecil | 1896 | Columbia | 5 | 3397 | |
| Ouderkirk | Solomon Abner | 1877 | Columbia | 5 | 3398 | |
| Ouimet | Arthur | 1878 | Portland 2 | 19 | 4263 | |
| Ould | Peter | 1880 | Lincoln | 12 | 4675 | |
| Oules | John | 1892 | Clackamas | 3 | 2506 | |
| Oullis | John George | 1891 | Portland 10 | 27 | 2807 | |
| Oupor | James | 1890 | Linn | 13 | 2489 | |
| Oupor | John | 1884 | Linn | 13 | 2490 | |
| Oupor | Joseph Frederick | 1877 | Linn | 13 | 2491 | |
| Ouranosokes | Speros | 1887 | Portland 1 | 18 | 482 | |
| Ousley | Abner J | 1888 | Lake | 11 | 2551 | |
| Ousley | Cyrus Andrew | 1882 | Marion 2 | 15 | 2570 | |
| Ousley | James Walter | 1887 | Deschutes | 7 | 3538 | |
| Outinen | Anton Ala | 1889 | Coos | 6 | 3833 | |
| Outinen | Ivar | 1884 | Clatsop | 4 | 4326 | |
| Outsen | Charles Philip | 1897 | Curry | 7 | 1552 | |
| Ovall | Andrew Victor | 1895 | Marion 1 | 14 | 5029 | |
| Ovall | Wesley Emanuel | 1892 | Portland 8 | 25 | 5167 | |
| Ovalle | Miguel | 1876 | Portland 1 | 18 | 483 | |
| Ovanoff | Oanka | 1892 | Polk | 16 | 4878 | |
| Ove | Thorvald Henrich | 1885 | Portland 10 | 27 | 2808 | |
| Ovelman | Roy Smelker | 1882 | Portland 7 | 25 | 190 | |
| Overacker | Albert Raymond | 1891 | Clackamas | 3 | 2507 | |
| Overall | Fred Neeley | 1889 | Deschutes | 7 | 3539 | |
| Overbach | Morris | 1889 | Portland 3 | 20 | 4012 | |
| Overbach | Oscar | 1881 | Portland 1 | 18 | 484 | |
| Overback | Oscar E | 1873 | Portland 7 | 25 | 191 | |
| Overbay | Fred | 1896 | Wheeler | 32 | 1384 | *Nol |
| Overbey | Thomas Howard | 1879 | Portland 1 | 18 | 485 | |
| Overby | Clyde E | 1893 | Wheeler | 32 | 1390 | |
| Overdorf | Arnold Pennypacker | 1878 | Portland 1 | 18 | 486 | |
| Overend | Paul Edmund | 1887 | Portland 1 | 18 | 487 | |
| Overguard | John | 1896 | Portland 2 | 19 | 4264 | |
| Overguard | William McKinley | 1898 | Marion 1 | 14 | 4938 | |
| Overhalden | Hans Antonson | 1888 | Yamhill | 32 | 4410 | |
| Overhauser | Hoseph Hutton | 1875 | Portland 2 | 19 | 4265 | |
| Overholer | Leroy Leighton | 1891 | Jefferson | 10 | 1832 | |
| Overholser | Frank D | 1892 | Lane | 12 | 1608 | |
| Overholser | George McDonald | 1897 | Lane | 12 | 1609 | |
| Overholser | Oren Victor | 1897 | Linn | 13 | 2492 | |
| Overholser | Ralph Donald | 1900 | Portland 4 | 21 | 5591 | |
| Overholt | Claude Enos | 1889 | Columbia | 5 | 3399 | |
| Overholt | Glenn Colville | 1888 | Umatilla | 29 | 260 | |
| Overholt | Harry Louis | 1887 | Columbia | 5 | 3400 | |
| Overholt | William F | 1891 | Portland 6 | 24 | 443 | |
| Overholtz | John Henery | 1884 | Portland 2 | 19 | 4266 | |
| Overhulse | Clarence Kingsley | 1878 | Jefferson | 10 | 1834 | *Owe |
| Overland | Andrew | 1882 | Portland 5 | 23 | 74 | |
| Overland | Arthur Clarence | 1893 | Portland 5 | 23 | 73 | |
| Overland | Olaf | 1885 | Portland 10 | 27 | 2809 | |
| Overlie | William | 1893 | Columbia | 5 | 3401 | |
| Overlin | William Sanders | 1875 | Multnomah | 16 | 1976 | *Quo |
| Overlock | William Harold (Jr) | 1894 | Portland 1 | 18 | 488 | |
| Overlund | Edwin | 1892 | Marion 2 | 15 | 2571 | |
| Overly | William Lewis | 1879 | Baker | 1 | 3031 | |
| Overman | Earl Russell | 1892 | Gilliam | 8 | 3676 | |
| Overman | Willis Fredrick | 1880 | Douglas | 8 | 1485 | |
| Overmire | Charles Carson | 1879 | Portland 3 | 20 | 4013 | |
| Overos | Lars Larsen | 1874 | Marion 2 | 15 | 2572 | |
| Overpack | Estel R | 1895 | Clatsop | 4 | 4327 | |
| Overpeck | Harvey Seldon | 1879 | Union | 30 | 490 | |
| Overroedder | Frank J | 1886 | Washington | 31 | 5155 | |
| Overroldder | Frank Joseph | 1892 | Portland 5 | 23 | 75 | |
| Oversen | Axel | 1875 | Portland 1 | 18 | 489 | |
| Overson | Otto | 1892 | Portland 1 | 18 | 490 | |
| Overstedt | Andrew Fred | 1882 | Clatsop | 4 | 4329 | |
| Overstreet | Gilbert Wellington | 1881 | Portland 10 | 27 | 2810 | |
| Overstreet | Homer R | 1896 | Malheur | 14 | 712 | |
| Overstreet | James George | 1899 | Malheur | 14 | 713 | |
| Overstreet | John Henry | 1898 | Umatilla | 29 | 261 | |
| Overstreet | Robert H | 1889 | Portland 1 | 18 | 491 | |
| Overstreet | Robert Scott | 1899 | Malheur | 14 | 714 | |
| Overstreet | Shade Maynard | 1897 | Malheur | 14 | 715 | |
| Overt | Joseph | 1880 | Polk | 16 | 4879 | |
| Overton | Arthur | 1881 | Portland 1 | 18 | 492 | |
| Overton | Charles Livingston | 1872 | Benton | 2 | 1653 | |
| Overton | Claire Alex | 1895 | Linn | 13 | 2494 | |
| Overton | Clarence Julian | 1884 | Umatilla | 29 | 262 | |
| Overton | Cleo Dell | 1900 | Lake | 11 | 2552 | |
| Overton | Clive Dow | 1890 | Washington | 31 | 5154 | |
| Overton | Edward Coe | 1876 | Clatsop | 4 | 4330 | |
| Overton | Francis | 1896 | Polk | 16 | 4880 | |
| Overton | Fred Charles | 1878 | Linn | 13 | 2495 | |
| Overton | Fred Vernon | 1899 | Crook | 7 | 719 | |
| Overton | George Harrison | 1898 | Linn | 13 | 2496 | |
| Overton | Ira E | 1889 | Washington | 31 | 5156 | |
| Overton | James Thomas | 1882 | Portland 8 | 25 | 5168 | |
| Overton | James White | 1898 | Clatsop | 4 | 4328 | |
| Overton | William Franklin | 1877 | Portland 6 | 24 | 444 | |
| Overton | William H | 1887 | Portland 6 | 24 | 445 | |
| Overturf | Harley James | 1882 | Deschutes | 7 | 3540 | |
| Overturf | James Harrison | 1880 | Umatilla | 29 | 263 | |
| Overwedder | Leo Joseph | 1898 | Linn | 13 | 2493 | |
| Ovesen | Fred Parledi | 1885 | Portland 8 | 25 | 5169 | |
| Ovesen | Meier | 1894 | Columbia | 5 | 3402 | |
| Oviatt | Burt Elrod | 1882 | Clackamas | 3 | 2508 | |
| Oviatt | Claud Melvin | 1880 | Clackamas | 3 | 2509 | |
| Oviatt | Paul Clinton | 1896 | Portland 5 | 23 | 76 | |
| Oviatt | Ray M | 1887 | Sherman | 27 | 5760 | *Ode |
| Owa | Giichi | 1889 | Portland 1 | 18 | 493 | |
| Owan | Harry Austin | 1888 | Umatilla | 29 | 264 | |
| Owen | Adrian Bruce | 1875 | Portland 9 | 26 | 2826 | |
| Owen | Alfred Lloyd | 1878 | Portland 2 | 19 | 4267 | |
| Owen | Archie Lee | 1890 | Linn | 13 | 2497 | |
| Owen | Arthur Edward | 1893 | Curry | 7 | 1702 | |
| Owen | Charles Alfred | 1878 | Umatilla | 29 | 265 | |
| Owen | Charles Rowan | 1885 | Portland 10 | 27 | 2811 | |
| Owen | Conrad Jager | 1888 | Clackamas | 3 | 2510 | |
| Owen | Daniel Francis | 1893 | Klamath | 11 | 463 | |
| Owen | Edward Forrest | 1877 | Portland 7 | 25 | 192 | |
| Owen | Frank Arthur | 1900 | Portland 7 | 25 | 193 | |
| Owen | Frank Gilchrist | 1884 | Jackson | 9 | 5569 | |
| Owen | Fred Howard | 1873 | Lincoln | 12 | 4676 | |
| Owen | Frederick Leland | 1885 | Portland 6 | 24 | 446 | |
| Owen | Garfield | 1898 | Harney | 9 | 967 | |
| Owen | George Ernest | 1896 | Lane | 12 | 1610 | |
| Owen | George Guilford | 1875 | Marion 1 | 14 | 4939 | |
| Owen | Glen Dale | 1894 | Lane | 12 | 1611 | |
| Owen | Harry E | 1886 | Portland 2 | 19 | 4268 | |
| Owen | Harry Hank | 1888 | Douglas | 8 | 1487 | |
| Owen | Henry Eugene | 1875 | Lane | 12 | 1612 | |
| Owen | Henry Holland | 1880 | Curry | 7 | 1701 | |
| Owen | Herbert Leslie | 1884 | Baker | 1 | 3032 | |
| Owen | Irvin Franklin | 1898 | Portland 1 | 18 | 495 | |
| Owen | Ivan Lloyd | 1887 | Deschutes | 7 | 3542 | |
| Owen | Jacob Daniel | 1886 | Clackamas | 3 | 2511 | |
| Owen | James D | 1879 | Douglas | 8 | 1486 | |
| Owen | James Edward | 1890 | Wheeler | 32 | 1391 | |
| Owen | James Wayland | 1899 | Portland 5 | 23 | 77 | |
| Owen | Jerold | 1894 | Portland 6 | 24 | 447 | |
| Owen | Jesse | 1880 | Portland 1 | 18 | 496 | |
| Owen | John D | 1890 | Umatilla | 29 | 266 | |
| Owen | John Edwin | 1881 | Portland 7 | 25 | 194 | |
| Owen | John Henry | 1886 | Umatilla | 29 | 411 | |
| Owen | John Henry | 1883 | Portland 7 | 25 | 195 | |
| Owen | John Samuel | 1898 | Coos | 6 | 3834 | |
| Owen | John Winton | 1876 | Malheur | 14 | 716 | |
| Owen | Joseph T | 1895 | Portland 3 | 20 | 4014 | |
| Owen | Lewis Pickett | 1874 | Polk | 16 | 4881 | |
| Owen | Lincoln H | 1893 | Baker | 1 | 3033 | |
| Owen | Lycurgus W | 1892 | Umatilla | 29 | 412 | |
| Owen | Lynden Dale | 1879 | Lane | 12 | 1615 | |
| Owen | Mark G | 1889 | Clatsop | 4 | 4331 | |
| Owen | Otto Andrew | 1887 | Clatsop | 4 | 4332 | |
| Owen | Otto E | 1890 | Portland 2 | 19 | 4269 | |
| Owen | Owen Evan | 1882 | Portland 3 | 20 | 4015 | |
| Owen | Ralph Hermston | 1884 | Portland 7 | 25 | 197 | |
| Owen | Robert Elbert | 1879 | Portland 10 | 27 | 2812 | |
| Owen | Robert Glenn | 1893 | Lane | 12 | 1613 | |
| Owen | Robert Lee | 1892 | Curry | 7 | 1703 | |
| Owen | Roy Wesley | 1898 | Linn | 13 | 2498 | |
| Owen | Rus Hughes | 1886 | Portland 3 | 20 | 4016 | |
| Owen | Thomas Albert | 1882 | Clackamas | 3 | 2512 | |
| Owen | Thomas Harland | 1883 | Curry | 7 | 1651 | |
| Owen | Van | 1877 | Linn | 13 | 2499 | |
| Owen | Walter | 1873 | Clackamas | 3 | 2513 | |
| Owen | Walter Elden | 1896 | Umatilla | 29 | 413 | |
| Owen | Walter Guy | 1899 | Portland 3 | 20 | 4017 | |
| Owen | Willard Harold | 1899 | Portland 2 | 19 | 4270 | |
| Owen | William Constant | 1875 | Jackson | 9 | 5570 | |
| Owen | William Melvin | 1896 | Portland 2 | 19 | 4271 | |
| Owens | Albert Emmett | 1886 | Portland 2 | 19 | 4272 | |
| Owens | Alfred | 1894 | Portland 6 | 24 | 448 | |
| Owens | Alvin Guss | 1898 | Wheeler | 32 | 1802 | |
| Owens | Andrew Jackson | 1896 | Wheeler | 32 | 1546 | |
| Owens | Archie Benjamin | 1896 | Washington | 31 | 5157 | |
| Owens | Benjamin Franklyn | 1889 | Klamath | 11 | 462 | |
| Owens | Boyd | 1892 | Wheeler | 32 | 1393 | |
| Owens | Charles A | 1888 | Wheeler | 32 | 1392 | |
| Owens | Charles Edmond | 1891 | Umatilla | 29 | 414 | |
| Owens | Charles Elmer | 1877 | Benton | 2 | 1654 | |
| Owens | Charles Lawrence | 1875 | Portland 2 | 19 | 4273 | |
| Owens | Chester | 1889 | Portland 3 | 20 | 4018 | |
| Owens | Cleve Thomas | 1893 | Washington | 31 | 5158 | |
| Owens | Daniel Robert | 1874 | Portland 5 | 23 | 78 | |
| Owens | Dorsey William | 1884 | Umatilla | 29 | 415 | |
| Owens | Earl William | 1886 | Lane | 12 | 1614 | |
| Owens | Edward Henry | 1891 | Klamath | 11 | 461 | |
| Owens | Edward Winfield | 1874 | Clatsop | 4 | 4333 | |
| Owens | Elbert Clingman | 1880 | Hood River | 9 | 2543 | |
| Owens | Everett Leo | 1900 | Portland 10 | 27 | 2813 | |
| Owens | Frank Lester | 1877 | Tillamook | 28 | 1458 | |
| Owens | Gustave Fredrick | 1885 | Wheeler | 32 | 1803 | |
| Owens | Harold | 1893 | Yamhill | 32 | 4411 | |
| Owens | Harry | 1885 | Benton | 2 | 1655 | |
| Owens | Harry Hope | 1894 | Umatilla | 29 | 416 | |
| Owens | Henery Frank | 1882 | Portland 6 | 24 | 449 | |
| Owens | Henry | 1878 | Columbia | 5 | 3403 | |
| Owens | Henry Augusta | 1896 | Jackson | 9 | 5571 | |
| Owens | Herbert Joseph | 1888 | Jefferson | 10 | 1833 | |
| Owens | Herbert Laffan | 1881 | Malheur | 14 | 717 | |
| Owens | Herbert Malcolm | 1886 | Portland 4 | 21 | 5592 | |
| Owens | Howard Milo | 1899 | Tillamook | 28 | 1459 | |
| Owens | James Bernard | 1882 | Columbia | 5 | 3404 | |
| Owens | Jessee Colman | 1885 | Hood River | 9 | 2544 | |
| Owens | John Andrew | 1882 | Deschutes | 7 | 3541 | |
| Owens | John Barney | 1883 | Wallowa | 30 | 3551 | |
| Owens | John Sanford | 1876 | Jackson | 9 | 5572 | |
| Owens | John Thomas | 1894 | Portland 9 | 26 | 2827 | |
| Owens | Joseph Layfette | 1897 | Klamath | 11 | 465 | |
| Owens | Miles Eugene | 1892 | Union | 30 | 491 | |
| Owens | Millard Douglas | 1875 | Portland 7 | 25 | 198 | |
| Owens | Paul Hoberger | 1889 | Wheeler | 32 | 1394 | |
| Owens | Raymond Patrick | 1892 | Portland 4 | 21 | 5593 | |
| Owens | Robert Franklin | 1873 | Benton | 2 | 1656 | |
| Owens | Robert Wheat | 1882 | Morrow | 15 | 4564 | |
| Owens | Rollie Marlen | 1896 | Union | 30 | 492 | |
| Owens | Samuel Washington | 1881 | Portland 1 | 18 | 498 | |
| Owens | Sylvester C | 1887 | Multnomah | 16 | 1977 | *Quo |
| Owens | Thomas Edgar | 1878 | Yamhill | 32 | 4412 | |
| Owens | Thomas Wallar | 1894 | Klamath | 11 | 464 | |
| Owens | Tilman H | 1873 | Columbia | 5 | 3405 | |
| Owens | Vernon Roy | 1887 | Portland 4 | 21 | 5594 | |
| Owens | Wallace Jefferson | 1873 | Baker | 1 | 3034 | |
| Owens | Walter Scott | 1882 | Portland 5 | 23 | 79 | |
| Owens | William | 1881 | Portland 4 | 21 | 5595 | |
| Owens | William Ferin | 1881 | Wallowa | 30 | 3550 | |
| Owens | William Fueston | 1897 | Washington | 31 | 5159 | |
| Owens | William Henry | 1890 | Columbia | 5 | 3406 | |
| Owens | William Henry | 1882 | Klamath | 11 | 468 | |
| Owens | William Joseph | 1882 | Multnomah | 16 | 1978 | *Quo |
| Owens | William Oinge | 1884 | Portland 2 | 19 | 4274 | |
| Owens | William Stanley | 1881 | Portland 3 | 20 | 4019 | |
| Owerby | Walter Parnes | 1886 | Portland 1 | 18 | 497 | |
| Owings | George Franklin | 1880 | Jackson | 9 | 5575 | |
| Owings | George Preston | 1877 | Jackson | 9 | 5576 | |
| Owings | John Henry | 1879 | Jackson | 9 | 5574 | |
| Owings | Louis Eugene | 1881 | Klamath | 11 | 467 | |
| Owings | Ralph Robert | 1897 | Umatilla | 29 | 417 | |
| Owings | Wilbur Leroy | 1900 | Jackson | 9 | 5573 | |
| Owings | Willard John | 1892 | Umatilla | 29 | 418 | |
| Owings | William Albert | 1878 | Klamath | 11 | 466 | |
| Owings | William Francis | 1885 | Jackson | 9 | 5577 | |
| Ownbey | Allen B | 1887 | Wallowa | 30 | 3549 | |
| Ownbey | Edgar Emery | 1885 | Wallowa | 30 | 3552 | |
| Ownbey | Ivan Jack | 1887 | Clackamas | 3 | 2514 | |
| Ownbey | Pliny | 1894 | Clackamas | 3 | 2515 | |
| Ownby | Clifford Arnold | 1892 | Wallowa | 30 | 3548 | |
| Ownby | Sidney Joseph | 1899 | Umatilla | 29 | 419 | |
| Owosarski | Vincent | 1881 | Portland 1 | 18 | 494 | *Owa |
| Owre | John | 1880 | Coos | 6 | 3835 | |
| Owrey | Vernon Addison | 1894 | Portland 3 | 20 | 4020 | |
| Owshen | Edward | 1898 | Harney | 9 | 942 | *Ola |
| Owsley | Alfred Thomas | 1898 | Union | 30 | 493 | |
| Owsley | Barney Branton | 1890 | Union | 30 | 494 | |
| Owsley | Carl Cordell | 1899 | Harney | 9 | 968 | |
| Owsley | Gilbert Frank | 1897 | Union | 30 | 495 | |
| Owsley | Jesse Elmer | 1897 | Union | 30 | 496 | |
| Owyan | Carl Adolph | 1888 | Multnomah | 16 | 1979 | *Quo |
| Oxenrider | William Richard | 1876 | Coos | 6 | 3836 | |
| Oxenvad | Louis Carlsen | 1873 | Coos | 6 | 3837 | |
| Oxenvad | Louis John | 1900 | Coos | 6 | 3838 | |
| Oxford | Claborn | 39 yr | Portland 4 | 21 | 5596 | |
| Oxford | Earl Elsworth | 1890 | Linn | 13 | 2500 | |
| Oxford | James Edwin | 1887 | Linn | 13 | 2501 | |
| Oxford | John Absalom | 1884 | Union | 30 | 497 | |
| Oxford | William Clay | 1885 | Portland 6 | 24 | 450 | |
| Oxley | Grant Edward | 1899 | Lane | 12 | 1616 | |
| Oxley | Toney Elton | 1887 | Portland 10 | 27 | 2814 | |
| Oxman | Frank Clifton | 1887 | Malheur | 14 | 720 | *Oye |
| Oxman | John Donald | 1897 | Malheur | 14 | 721 | *Oye |
| Oxnard | Leroy Edward | 1887 | Baker | 1 | 3035 | |
| Oxner | Frank Ernest | 1879 | Union | 30 | 498 | |
| Oya | Oscar | 1900 | Columbia | 5 | 3407 | |
| Oyala | Jacob William | 1895 | Columbia | 5 | 3408 | |
| Oyama | Iwao | 1886 | Portland 1 | 18 | 499 | |
| Oyama | M | 1889 | Portland 2 | 19 | 4275 | |
| Oyamada | Eddie Tadasu | 1881 | Hood River | 9 | 2545 | |
| Oyan | John | 1880 | Clatsop | 4 | 4334 | |
| Oye | Inokichi | 1879 | Portland 1 | 18 | 500 | |
| Oye | Jinzaburo | 1878 | Portland 1 | 18 | 501 | |
| Oye | Sanichiro | 1896 | Portland 1 | 18 | 502 | |
| Oye | Sotaro | 1882 | Portland 1 | 18 | 503 | |
| Oyen | John | 1898 | Coos | 6 | 3839 | |
| Oyer | Ralph Anderson | 1900 | Malheur | 14 | 719 | |
| Oygaard | John | 1886 | Clatsop | 4 | 4335 | |
| Oyhareabal | Martin | 1887 | Harney | 9 | 969 | |
| Oylear | Melvin M | 1882 | Umatilla | 29 | 420 | |
| Ozaki | Eikuo | 1874 | Clatsop | 4 | 4336 | |
| Ozaki | Yeigi | 1878 | Clatsop | 4 | 4337 | |
| Ozamy | Austin Onamdia | 1897 | Malheur | 14 | 722 | |
| Ozasa | Kuma | 1873 | Union | 30 | 499 | |
| Ozasa | Takeo | 1898 | Union | 30 | 500 | |
| Ozias | Carleton | 1881 | Klamath | 11 | 469 | |
| Ozier | Bennie | 1880 | Portland 2 | 19 | 4276 | |
| Ozment | James Parker | 1876 | Portland 4 | 21 | 5597 | |
| Ozunoff | Naiden | 1882 | Portland 2 | 19 | 4277 | |
| Paakki | Waino | 1880 | Clatsop | 4 | 4339 | |
| Paakkola | Jaakko | 1887 | Clatsop | 4 | 4341 | |
| Paakkola | Kalle | 1883 | Clatsop | 4 | 4340 | |
| Paakkonen | Axel | 1881 | Columbia | 5 | 3442 | *Par |
| Paananen | Frank Oskar | 1875 | Clatsop | 4 | 4338 | |
| Paananen | Nestor | 1880 | Umatilla | 29 | 421 | |
| Paape | H W | 1894 | Lake | 11 | 2597 | *Par |
| Paarsch | Edward Frederick William | 1875 | Portland 1 | 18 | 504 | |
| Paasch | Fred | 1883 | Hood River | 9 | 2546 | |
| Paasch | Hugo | 1891 | Hood River | 9 | 2547 | |
| Paasch | William John | 1897 | Hood River | 9 | 2548 | |
| Paasche | Harold | 1893 | Lane | 12 | 1617 | |
| Paasche | Sigurd Hilmer | 1872 | Lane | 12 | 1618 | |
| Paasche | William | 1900 | Lane | 12 | 1619 | |
| Pabas | Sam | 1891 | Wasco | 31 | 936 | |
| Pabiona | Pedro L | 1898 | Clatsop | 4 | 4342 | |
| Pabst | Charles Francis | 1893 | Marion 1 | 14 | 4940 | |
| Pabst | Pete | 1882 | Portland 4 | 21 | 5598 | |
| Pace | Arthur Melvin | 1889 | Wallowa | 30 | 3555 | |
| Pace | Edgar Allen | 1880 | Clackamas | 3 | 2516 | |
| Pace | Edgar D | 1888 | Portland 4 | 21 | 5599 | |
| Pace | Graydon | 1897 | Clackamas | 3 | 2517 | |
| Pace | Ira Greggs | 1876 | Wallowa | 30 | 3554 | |
| Pace | John Milton | 1891 | Columbia | 5 | 3409 | |
| Pace | John Scott | 1887 | Portland 1 | 18 | 505 | |
| Pace | Joseph Lee | 1874 | Wallowa | 30 | 3553 | |
| Pace | L H | 1886 | Columbia | 5 | 3410 | |
| Pace | La Fay | 1888 | Portland 5 | 23 | 80 | |
| Pace | Orlie Allen | 1876 | Clackamas | 3 | 2518 |
