| Surname | Given | Birth or Age | County | Reel | Seq | Corr |
|---|---|---|---|---|---|---|
| Cooper | Edward Samuel | 1890 | Deschutes | 7 | 2290 | |
| Cooper | Elbert Lester | 1896 | Jackson | 9 | 3655 | |
| Cooper | Ellis Levi | 1878 | Portland 8 | 25 | 2654 | |
| Cooper | Elmer A | 1889 | Douglas | 7 | 5074 | |
| Cooper | Elmer Edward | 1893 | Josephine | 10 | 2408 | |
| Cooper | Erastus H | 1875 | Yamhill | 32 | 2564 | |
| Cooper | Ernest Emerson | 1888 | Deschutes | 7 | 2295 | |
| Cooper | Ernest Eugene | 1893 | Tillamook | 28 | 475 | |
| Cooper | Ernest Homer | 1898 | Linn | 13 | 237 | |
| Cooper | Everett Lee | 1897 | Douglas | 7 | 4984 | |
| Cooper | Everett Vincent | 1889 | Union | 29 | 3233 | |
| Cooper | Fenimore | 1885 | Linn | 13 | 238 | |
| Cooper | Frank | 1879 | Portland 2 | 18 | 5298 | *Cof |
| Cooper | Frank Alexander | 1884 | Portland 10 | 26 | 4962 | |
| Cooper | Frank F | 1878 | Lane | 11 | 4165 | |
| Cooper | Frank Leroy | 1897 | Hood River | 9 | 1641 | |
| Cooper | Frank Wesley | 1897 | Benton | 2 | 404 | |
| Cooper | Fred | 1886 | Baker | 1 | 814 | |
| Cooper | Fred Farris | 1896 | Portland 2 | 18 | 5297 | *Cof |
| Cooper | Fred Royal | 1881 | Benton | 2 | 405 | |
| Cooper | Fred Wilford | 1888 | Polk | 16 | 3515 | |
| Cooper | Frederick S | 1880 | Columbia | 5 | 1479 | |
| Cooper | G R | 1886 | Deschutes | 7 | 2291 | |
| Cooper | George David | 1889 | Hood River | 9 | 1642 | |
| Cooper | George Ernest | 1882 | Benton | 2 | 406 | |
| Cooper | George Henry | 1891 | Gilliam | 8 | 3151 | |
| Cooper | George Irwin | 1881 | Portland 10 | 26 | 4963 | |
| Cooper | George Leighton | 1895 | Polk | 16 | 3516 | |
| Cooper | George Ringey | 1888 | Wasco | 30 | 4948 | |
| Cooper | George Robert | 1882 | Portland 10 | 26 | 4964 | |
| Cooper | George Robert | 1883 | Portland 8 | 25 | 2655 | |
| Cooper | George William | 1899 | Polk | 16 | 3517 | |
| Cooper | Glenn William | 1897 | Lane | 11 | 4166 | |
| Cooper | Granvil Sarcy | 1897 | Portland 4 | 21 | 2503 | |
| Cooper | Guy Scott | 1873 | Portland 7 | 24 | 3385 | |
| Cooper | Hal Newtons | 1881 | Portland 10 | 26 | 4965 | |
| Cooper | Harold E | 1891 | Portland 8 | 25 | 2656 | |
| Cooper | Harold Fenimore | 1899 | Portland 4 | 21 | 2504 | |
| Cooper | Harry | 1889 | Columbia | 5 | 1480 | |
| Cooper | Henry | 1889 | Baker | 1 | 815 | |
| Cooper | Henry Calvin | 1895 | Curry | 7 | 1160 | |
| Cooper | Henry Elwood | 1899 | Yamhill | 32 | 2565 | |
| Cooper | Henry Frank | 1898 | Tillamook | 28 | 476 | |
| Cooper | Herbert Goddard | 1879 | Hood River | 9 | 1643 | |
| Cooper | Homer Bazil | 1891 | Linn | 13 | 239 | |
| Cooper | Homer Elsworth | 1883 | Portland 2 | 18 | 5290 | *Cof |
| Cooper | Horace L | 1888 | Gilliam | 8 | 3152 | |
| Cooper | Howard Wesley | 1896 | Clackamas | 2 | 3756 | |
| Cooper | Isaac | 1888 | Gilliam | 8 | 3153 | |
| Cooper | Ivan Lee | 1898 | Linn | 13 | 240 | |
| Cooper | James A | 1876 | Multnomah | 15 | 5593 | |
| Cooper | James Abram | 1882 | Benton | 2 | 407 | |
| Cooper | James Abram | 1881 | Wasco | 30 | 4946 | |
| Cooper | James Albert | 1885 | Baker | 1 | 816 | |
| Cooper | James Arthur | 1889 | Gilliam | 8 | 3154 | |
| Cooper | James C | 1885 | Baker | 1 | 817 | |
| Cooper | James Ellis | 1889 | Douglas | 7 | 5003 | |
| Cooper | James Fenmer | 1879 | Coos | 6 | 952 | |
| Cooper | James Finley | 1899 | Baker | 1 | 818 | |
| Cooper | James K | 1888 | Klamath | 10 | 4363 | |
| Cooper | James Shelby (Jr) | 1888 | Marion 1 | 14 | 2537 | |
| Cooper | James Weaver | 1891 | Deschutes | 7 | 2287 | |
| Cooper | James William | 1892 | Benton | 2 | 408 | |
| Cooper | Jefferson Davis | 1883 | Marion 1 | 14 | 2538 | |
| Cooper | Jerry H | 1897 | Portland 7 | 24 | 3386 | |
| Cooper | Jesse Murl | 1889 | Portland 2 | 18 | 5295 | *Cof |
| Cooper | John Linzey | 1874 | Marion 1 | 14 | 2539 | |
| Cooper | John Lofton | 1891 | Union | 29 | 3235 | |
| Cooper | John Nichols | 1896 | Portland 1 | 17 | 1541 | |
| Cooper | John Portens | 1883 | Hood River | 9 | 1644 | |
| Cooper | Joseph Harrison | 1876 | Portland 4 | 21 | 2505 | |
| Cooper | Joseph Porter | 1873 | Washington | 31 | 2734 | |
| Cooper | Joseph Schuyler | 1888 | Deschutes | 7 | 2289 | |
| Cooper | Juan Glenn | 1884 | Lake | 11 | 1872 | |
| Cooper | Justin | 1885 | Portland 8 | 25 | 2657 | |
| Cooper | Kelley Herbert | 1895 | Lane | 11 | 4153 | |
| Cooper | Lee | 1894 | Clackamas | 2 | 3755 | |
| Cooper | Lee Andy | 1886 | Tillamook | 28 | 477 | |
| Cooper | Leon Maxwell | 1874 | Umatilla | 28 | 3178 | |
| Cooper | Leroy | 1882 | Tillamook | 28 | 478 | |
| Cooper | Leslie Davy | 1888 | Lake | 11 | 1874 | |
| Cooper | Lockie Ellsworth | 1898 | Polk | 16 | 3518 | |
| Cooper | Loren | 1887 | Polk | 16 | 3519 | |
| Cooper | Madison | 1889 | Portland 2 | 18 | 5294 | *Cof |
| Cooper | Marcus S | 1886 | Polk | 16 | 3520 | |
| Cooper | Marice | 1888 | Baker | 1 | 819 | |
| Cooper | Marion Francis | 1876 | Portland 4 | 21 | 2506 | |
| Cooper | Marion Minot | 1878 | Coos | 6 | 951 | |
| Cooper | Martin Franklin | 1898 | Lake | 11 | 1873 | |
| Cooper | Martin George | 1898 | Klamath | 10 | 4292 | |
| Cooper | Marvin F | 1881 | Portland 7 | 24 | 3387 | |
| Cooper | Maurice Richard | 1887 | Portland 6 | 23 | 3110 | |
| Cooper | Max | 1882 | Portland 3 | 20 | 1144 | |
| Cooper | Merritt Sheapard | 1883 | Yamhill | 32 | 2566 | |
| Cooper | Miller Eliphalet | 1898 | Marion 1 | 14 | 2540 | |
| Cooper | Minor Malcom | 1874 | Douglas | 7 | 5090 | |
| Cooper | Mirl B | 1879 | Portland 10 | 26 | 4966 | |
| Cooper | Morris | 1879 | Portland 3 | 20 | 1145 | |
| Cooper | Nathan | 1873 | Portland 3 | 20 | 1146 | |
| Cooper | Nathan A | 1888 | Portland 9 | 26 | 1394 | |
| Cooper | Neil | 1888 | Portland 1 | 17 | 1542 | |
| Cooper | Orla Adolfas | 1895 | Yamhill | 32 | 2567 | |
| Cooper | Orville Ellsworth | 1882 | Marion 1 | 14 | 2541 | |
| Cooper | Oscar Aaron | 1899 | Jackson | 9 | 3657 | |
| Cooper | Otis Thomas | 1890 | Wasco | 30 | 4949 | |
| Cooper | Paul Prank | 1885 | Tillamook | 28 | 479 | |
| Cooper | Pearl | 1892 | Benton | 2 | 409 | |
| Cooper | Pearl Clyde | 1878 | Polk | 16 | 3521 | |
| Cooper | Philander Rollie | 1874 | Yamhill | 32 | 2568 | |
| Cooper | Philip | 1900 | Portland 3 | 20 | 1147 | |
| Cooper | Ralph A | 1877 | Portland 2 | 18 | 5293 | *Cof |
| Cooper | Ralph Emerson | 1894 | Clackamas | 2 | 3761 | |
| Cooper | Ralph Forman | 1880 | Portland 1 | 17 | 1543 | |
| Cooper | Ralph Lester | 1883 | Portland 3 | 20 | 1148 | |
| Cooper | Ralph Thomas | 1891 | Deschutes | 7 | 2294 | |
| Cooper | Ray A | 1890 | Tillamook | 28 | 480 | |
| Cooper | Ray C | 1893 | Marion 1 | 14 | 2542 | |
| Cooper | Ray DeForest | 1878 | Lincoln | 12 | 4099 | |
| Cooper | Ray Savage | 1892 | Marion 1 | 14 | 2543 | |
| Cooper | Robert Franklin | 1893 | Jefferson | 10 | 1346 | |
| Cooper | Robert Oliver | 1894 | Yamhill | 32 | 2569 | |
| Cooper | Rodney Waldo | 1893 | Wasco | 30 | 4950 | |
| Cooper | Roy Albert | 1899 | Portland 6 | 23 | 3111 | |
| Cooper | Roy Charles | 1886 | Klamath | 10 | 4338 | |
| Cooper | Roy Troutman | 1889 | Linn | 13 | 251 | *Cos |
| Cooper | Roy Walter | 1883 | Deschutes | 7 | 2320 | |
| Cooper | Russell Bazel | 1898 | Linn | 13 | 241 | |
| Cooper | Russell Harry | 1898 | Benton | 2 | 410 | |
| Cooper | Samuel Clarence | 1882 | Portland 2 | 18 | 5292 | *Cof |
| Cooper | Sherman Henry | 1884 | Marion 1 | 14 | 2544 | |
| Cooper | Sidney | 1894 | Hood River | 9 | 1645 | |
| Cooper | Sigmond Chas | 1892 | Columbia | 5 | 1481 | |
| Cooper | Spencer Boyd | 1893 | Portland 9 | 26 | 1395 | |
| Cooper | Sylvester | 1894 | Gilliam | 8 | 3155 | |
| Cooper | Thomas H | 1886 | Deschutes | 7 | 2288 | |
| Cooper | Thomas Henry | 1883 | Portland 3 | 20 | 1149 | |
| Cooper | Thomas John | 1880 | Benton | 2 | 411 | |
| Cooper | Tim | 1891 | Grant | 8 | 4360 | |
| Cooper | Verney Sabain | 1890 | Harney | 9 | 267 | |
| Cooper | Virgil | 1885 | Portland 7 | 24 | 3388 | |
| Cooper | W B | 1891 | Baker | 1 | 820 | |
| Cooper | Walter Clyde | 1884 | Portland 6 | 23 | 3113 | |
| Cooper | Walter Godby | 1891 | Portland 10 | 26 | 4967 | |
| Cooper | Walter L | 1887 | Columbia | 5 | 1482 | |
| Cooper | Warren McColley | 1876 | Hood River | 9 | 1646 | |
| Cooper | Willard Odell | 1888 | Columbia | 5 | 1483 | |
| Cooper | William | 1886 | Portland 8 | 25 | 2658 | |
| Cooper | William Alger | 1891 | Lincoln | 12 | 4100 | |
| Cooper | William Benton | 1882 | Lane | 11 | 4167 | |
| Cooper | William Compton | 1883 | Deschutes | 7 | 2321 | |
| Cooper | William Edward | 1891 | Douglas | 7 | 5042 | |
| Cooper | William Edward | 1873 | Wallowa | 30 | 2253 | |
| Cooper | William Gerald | 1894 | Union | 29 | 3236 | |
| Cooper | William Jesse | 1894 | Portland 1 | 17 | 1544 | |
| Cooper | William O | 1875 | Marion 1 | 14 | 2545 | |
| Cooper | William Peter | 1884 | Portland 4 | 21 | 2507 | |
| Cooper | William Thomas | 1872 | Portland 6 | 23 | 3114 | |
| Cooper | William Wesley | 1875 | Portland 10 | 26 | 4968 | |
| Cooper | Yancy Tillman | 1887 | Clackamas | 2 | 3762 | |
| Cooperdian | Louis | 1886 | Portland 7 | 24 | 3389 | |
| Coopey | Joseph Raymond | 1878 | Benton | 2 | 412 | |
| Coopron | Walter Elwin | 1892 | Portland 4 | 21 | 2524 | *Cor |
| Coornas | Samuel | 1884 | Malheur | 13 | 4618 | |
| Coos | James Alexander | 1872 | Jackson | 9 | 3658 | |
| Coote | William Richard | 1893 | Benton | 2 | 413 | |
| Cooter | George A | 1893 | Benton | 2 | 414 | |
| Cooter | John Edward | 1890 | Benton | 2 | 415 | |
| Coover | Edward J | 1891 | Marion 2 | 15 | 1121 | |
| Coover | L L | 1889 | Portland 2 | 18 | 5287 | *Cof |
| Coover | Ora Elwood | 1894 | Clackamas | 2 | 3763 | |
| Coover | Pressley Hugh | 1900 | Clackamas | 2 | 3764 | |
| Coovert | David Asher | 1873 | Marion 1 | 14 | 2557 | *Cot |
| Coovert | Dean J | 1896 | Portland 6 | 23 | 3115 | |
| Coovert | Elmo Claire | 1888 | Portland 5 | 22 | 2901 | *Cor |
| Coovert | James Edgar | 1890 | Clackamas | 2 | 3765 | |
| Coovert | John Ross | 1879 | Lincoln | 12 | 4101 | |
| Cop | Herman | 1884 | Washington | 31 | 2735 | |
| Cop | John Anthony | 1887 | Washington | 31 | 2736 | |
| Cop | Paul Walter | 1895 | Washington | 31 | 2737 | |
| Cop | William Henry | 1888 | Washington | 31 | 2738 | |
| Cope | Alexis Waldo | 1886 | Curry | 7 | 1106 | |
| Cope | Amos Ray | 1896 | Union | 29 | 3237 | |
| Cope | Clarence Earl | 1886 | Columbia | 5 | 1484 | |
| Cope | Daniel Martin | 1897 | Harney | 9 | 268 | |
| Cope | Herbert Harrison | 1886 | Portland 3 | 20 | 1150 | |
| Cope | William | 1892 | Harney | 9 | 269 | |
| Cope | William Emmerson | 1889 | Curry | 7 | 1158 | |
| Copel | Charles Paul | 1879 | Portland 2 | 18 | 5289 | *Cof |
| Copeland | Alva P | 1887 | Douglas | 7 | 5021 | |
| Copeland | Alvin Cmone | 1892 | Klamath | 10 | 4352 | |
| Copeland | Andrew Vernon | 1900 | Portland 5 | 22 | 2895 | |
| Copeland | Arthur Lee | 1898 | Douglas | 7 | 4995 | |
| Copeland | Austin Elane | 1889 | Douglas | 7 | 5013 | |
| Copeland | Benjamin Franklin | 1877 | Portland 2 | 18 | 5288 | *Cof |
| Copeland | C H | 1896 | Portland 6 | 23 | 3116 | |
| Copeland | Charles Henry | 1882 | Portland 6 | 23 | 3117 | |
| Copeland | Charles Lester | 1882 | Klamath | 10 | 4329 | |
| Copeland | Charles Rosen | 1883 | Lincoln | 12 | 4103 | |
| Copeland | Clarence Early | 1895 | Douglas | 7 | 5067 | |
| Copeland | Frank Elmer | 1873 | Portland 8 | 25 | 2659 | |
| Copeland | Fred Allan | 1871 | Portland 2 | 18 | 5286 | *Cof |
| Copeland | George Birtle | 1888 | Linn | 13 | 242 | |
| Copeland | Grover Alphus | 1888 | Douglas | 7 | 5075 | |
| Copeland | Harry Francis | 1877 | Portland 5 | 22 | 2897 | |
| Copeland | Henry | 1882 | Portland 8 | 25 | 2660 | |
| Copeland | Henry Walter | 1895 | Umatilla | 28 | 3179 | |
| Copeland | James | 1873 | Douglas | 7 | 4992 | |
| Copeland | John Madison | 1886 | Klamath | 10 | 4366 | |
| Copeland | Joseph Ernest | 1898 | Tillamook | 28 | 481 | |
| Copeland | Joseph Henry | 1894 | Yamhill | 32 | 2570 | |
| Copeland | Joseph L | 1890 | Columbia | 5 | 1485 | |
| Copeland | Joseph Lum | 1886 | Portland 5 | 22 | 2896 | |
| Copeland | Leonard L | 1880 | Baker | 1 | 821 | |
| Copeland | Levi William | 1895 | Grant | 8 | 4362 | |
| Copeland | Loss Windfield | 1890 | Umatilla | 28 | 3180 | |
| Copeland | Marley Grannis | 1900 | Yamhill | 32 | 2571 | |
| Copeland | Ralph Colins | 1888 | Portland 4 | 21 | 2508 | |
| Copeland | Ralph Joseph | 1878 | Multnomah | 15 | 5595 | |
| Copeland | Robbie Basil | 1894 | Malheur | 13 | 4619 | |
| Copeland | Robert Fulman | 1885 | Portland 3 | 20 | 1151 | |
| Copeland | Rolland McKinley | 1897 | Marion 2 | 15 | 1122 | |
| Copeland | William Arthur | 1882 | Multnomah | 15 | 5596 | |
| Copeland | William Victor | 1896 | Klamath | 10 | 4316 | |
| Copeland | Winfred Scott | 1878 | Multnomah | 15 | 5597 | |
| Copeland | Zenas Carr | 1876 | Lincoln | 12 | 4102 | |
| Copeloto | Bohor | 1890 | Portland 2 | 18 | 5285 | *Cof |
| Copenhagen | Henry John | 1880 | Portland 8 | 25 | 2661 | |
| Copenhagen | Otto | 1882 | Portland 7 | 24 | 3390 | |
| Copenhaven | David John | 1875 | Lane | 11 | 4169 | |
| Copenhaver | Ele Roy | 1873 | Lane | 11 | 4168 | |
| Copenhaver | Herbert Hoyt | 1881 | Benton | 2 | 416 | |
| Copenhaver | James Layfette | 1891 | Clackamas | 2 | 3766 | |
| Copenhaver | Lee | 1889 | Morrow | 15 | 3776 | |
| Copenhaver | Minitree Delp | 1884 | Lane | 11 | 4170 | |
| Copenhaver | Rufus Hanford | 1880 | Clackamas | 2 | 3767 | |
| Copenhaver | Wm L | 1896 | Morrow | 15 | 3777 | |
| Copenhefer | Ethan Allen | 1874 | Portland 4 | 21 | 2509 | |
| Coperrude | Henry Alvin | 1895 | Wallowa | 30 | 2178 | |
| Coperude | William | 1898 | Wallowa | 30 | 2231 | |
| Copilla | Gaetano | 1883 | Union | 29 | 3238 | |
| Copinges | Harry Woolock | 1873 | Jackson | 9 | 3661 | |
| Copley | Merle Lafayette | 1897 | Portland 6 | 23 | 3118 | |
| Copley | Rufus Ralph | 1875 | Curry | 7 | 1086 | |
| Copley | Virgil Filmore | 1898 | Portland 6 | 23 | 3119 | |
| Copley | William Albert | 1885 | Marion 1 | 14 | 2546 | |
| Copley | William Willard | 1883 | Douglas | 7 | 5099 | |
| Coplinger | John Irvine | 1895 | Marion 1 | 14 | 2357 | *Can |
| Copp | John Walter | 1897 | Portland 8 | 25 | 2662 | |
| Copp | Ralph Walas | 1896 | Portland 1 | 17 | 1545 | |
| Copp | William Lenard | 1894 | Portland 8 | 25 | 2663 | |
| Coppa | Frank Leo | 1879 | Portland 10 | 26 | 4969 | |
| Coppage | Owen Chester | 1880 | Douglas | 7 | 5112 | |
| Coppens | Jacobus | 1887 | Washington | 31 | 2739 | |
| Copper | Walter Hugh | 1880 | Portland 2 | 18 | 5284 | *Cof |
| Copperfield | Edward | 1881 | Klamath | 10 | 4333 | |
| Coppin | Solomon | 1874 | Portland 8 | 25 | 2664 | |
| Coppinger | George Harvey | 1874 | Umatilla | 28 | 3181 | |
| Coppinger | Jim Gillis | 1877 | Umatilla | 28 | 3182 | |
| Coppinger | Sam M | 1883 | Umatilla | 28 | 3183 | |
| Copple | Arne Veryle | 1894 | Portland 1 | 17 | 1546 | |
| Copple | Bert Emerson | 1897 | Washington | 31 | 2740 | |
| Copple | Berthel Claude | 1890 | Portland 1 | 17 | 1547 | |
| Copple | Charles B | 1888 | Marion 2 | 15 | 1123 | |
| Copple | Edgar Carl | 1897 | Portland 1 | 17 | 1548 | |
| Copple | Edward Clifton | 1879 | Portland 1 | 17 | 1549 | |
| Copple | Fred Albert | 1875 | Jackson | 9 | 3663 | |
| Copple | Hugh W | 1890 | Malheur | 13 | 4620 | |
| Copple | Tony Herman | 1888 | Portland 4 | 21 | 2510 | |
| Copple | William Alonzo | 1878 | Coos | 6 | 953 | |
| Copple | William Eli | 1880 | Jackson | 9 | 3662 | |
| Coppo | Ersilip | 1882 | Portland 4 | 21 | 2511 | |
| Coppoch | Ross Harding | 1883 | Wheeler | 32 | 1615 | *Cli |
| Coppock | Arthur | 1882 | Umatilla | 28 | 3184 | |
| Coppock | Charles B | 1879 | Polk | 16 | 3522 | |
| Coppock | Frank Marion | 1886 | Umatilla | 28 | 3185 | |
| Copsen | Godfrey Vernon | 1884 | Benton | 2 | 417 | |
| Coptani | Charlie | 1888 | Klamath Agency | 33 | 117 | |
| Copus | Joe William | 1873 | Columbia | 5 | 1487 | |
| Coputhanasis | Louis | 1888 | Coos | 6 | 706 | *Cap |
| Coquillette | James Lucine | 1876 | Clatsop | 4 | 340 | *Cor |
| Corafelas | Poris | 1888 | Clatsop | 4 | 379 | *Cul |
| Corage | Raymond | 1896 | Wallowa | 30 | 2202 | |
| Corak | Joseph | 1885 | Portland 1 | 17 | 1550 | |
| Corak | Louis | 1872 | Portland 4 | 21 | 2512 | |
| Coramella | Julio | 1894 | Portland 4 | 21 | 2513 | |
| Corazza | Domenico | 1883 | Portland 3 | 20 | 1153 | |
| Corbell | Lee | 1893 | Klamath Agency | 33 | 118 | |
| Corbett | Benjamin William | 1882 | Baker | 1 | 822 | |
| Corbett | Carl | 1897 | Jefferson | 10 | 1347 | |
| Corbett | Charles Geo | 1883 | Portland 2 | 18 | 5283 | *Cof |
| Corbett | Edward Roy | 1883 | Portland 10 | 26 | 4970 | |
| Corbett | Elijah | 1876 | Yamhill | 32 | 2572 | |
| Corbett | Giles Budd | 1880 | Portland 6 | 23 | 3120 | |
| Corbett | Hamilton Folanh | 1888 | Portland 2 | 18 | 5282 | *Cof |
| Corbett | Henry Ladd | 1881 | Portland 2 | 18 | 5280 | *Cof |
| Corbett | James Francis | 1874 | Union | 29 | 3239 | |
| Corbett | James Roy | 1889 | Union | 29 | 3240 | |
| Corbett | John Herman | 1879 | Marion 1 | 14 | 2547 | |
| Corbett | Lamott Doyle | 1874 | Josephine | 10 | 2409 | |
| Corbett | Orville Hiram | 1885 | Clatsop | 4 | 388 | *Cul |
| Corbett | Philip Lynn | 1898 | Benton | 2 | 418 | |
| Corbett | Reid Allison | 1897 | Lake | 11 | 1875 | |
| Corbett | Wilbur Byron | 1883 | Baker | 1 | 823 | |
| Corbett | William L | 1874 | Wallowa | 30 | 2247 | |
| Corbett | Willis Ross | 1884 | Portland 10 | 26 | 4971 | |
| Corbin | Charles Herbert | 1879 | Portland 5 | 22 | 2898 | |
| Corbin | Fred G | 1880 | Portland 3 | 20 | 1155 | |
| Corbin | Guy Leonard | 1897 | Coos | 6 | 954 | |
| Corbin | Joshua Marion | 1883 | Clackamas | 2 | 3768 | |
| Corbin | Melvin Byron | 1881 | Douglas | 7 | 5029 | |
| Corbin | Merlin Prime | 1876 | Lane | 11 | 4171 | |
| Corbin | Stephen Stone | 1898 | Portland 6 | 23 | 3121 | |
| Corbit | Frank McKinley | 1894 | Clackamas | 2 | 3769 | |
| Corbly | Charlie William | 1891 | Jackson | 9 | 3664 | |
| Corboff | Jack | 1894 | Multnomah | 15 | 5600 | |
| Corboff | John P | 1885 | Portland 3 | 20 | 1154 | |
| Corcoran | Con | 1900 | Portland 7 | 24 | 3391 | |
| Corcoran | Edwin | 1893 | Portland 10 | 26 | 4972 | |
| Corcoran | John | 1873 | Clatsop | 4 | 338 | |
| Corcoran | John | 1875 | Portland 10 | 26 | 4973 | |
| Corcoran | John Henry | 1872 | Portland 1 | 17 | 1551 | |
| Corcoran | John Thomas | 1881 | Portland 6 | 23 | 3122 | |
| Corcoran | William James | 1877 | Clatsop | 4 | 346 | |
| Corcorrosa | Juan | 1894 | Malheur | 13 | 4621 | |
| Cordan | Patrick James | 1878 | Coos | 6 | 955 | |
| Cordano | Andrew Anthony | 1887 | Portland 4 | 21 | 2514 | |
| Cordano | Eugene | 1892 | Portland 2 | 18 | 5281 | *Cof |
| Cordano | Joseph | 1878 | Portland 3 | 20 | 1156 | |
| Cordasen | George | 1878 | Union | 29 | 3241 | |
| Cordeloces | Otek | 1887 | Clatsop | 4 | 344 | |
| Corder | Charles S | 1890 | Morrow | 15 | 3778 | |
| Corder | Clarence | 1894 | Tillamook | 28 | 482 | |
| Corder | Elmo D | 1888 | Malheur | 13 | 4622 | |
| Corder | James George | 1887 | Portland 4 | 21 | 2515 | |
| Corder | John Wesley | 1893 | Yamhill | 32 | 2573 | |
| Corder | Miner Harrold | 1878 | Portland 2 | 18 | 5278 | *Cof |
| Corder | Percy Clyde | 1899 | Clackamas | 2 | 3770 | |
| Corder | Plumer B | 1879 | Portland 4 | 21 | 2516 | |
| Corder | Thomas Otis | 1892 | Linn | 13 | 243 | |
| Cordes | Dietrick | 1890 | Crook | 7 | 166 | |
| Cordes | John Ludwig | 1881 | Portland 5 | 22 | 2899 | |
| Cordes | Romeo Carlos | 1878 | Coos | 6 | 956 | |
| Cordill | Sidney Alvin | 1882 | Clackamas | 2 | 3771 | |
| Cordiner | John | 1875 | Portland 6 | 23 | 3123 | |
| Cording | Otto | 1891 | Klamath | 10 | 4282 | |
| Cordon | Guy | 1890 | Douglas | 7 | 5060 | |
| Cordon | Walter Henry | 1884 | Douglas | 7 | 5063 | |
| Cordon | Weldon Owen | 1879 | Douglas | 7 | 5028 | |
| Cordova | Jose Amadeo | 1878 | Lane | 11 | 4172 | |
| Cordova | Marco | 1893 | Portland 2 | 18 | 5279 | *Cof |
| Cordova | Sam B | 1880 | Portland 3 | 20 | 1157 | |
| Cordray | Cole Henson | 1875 | Coos | 6 | 957 | |
| Cordson | Clemence Hiram | 1886 | Portland 5 | 22 | 2902 | |
| Cordy | Frederick Alfred | 1875 | Portland 5 | 22 | 2903 | |
| Cordz | Barney Cleveland | 1885 | Clatsop | 4 | 343 | |
| Cordz | Dolph Henry | 1883 | Clatsop | 4 | 345 | |
| Core | Frank | 1878 | Columbia | 5 | 1488 | |
| Coreits | Benjamin Ervin | 1890 | Umatilla | 28 | 3186 | |
| Corell | Spencer A | 1894 | Benton | 2 | 425 | *Cot |
| Coren | John | 1886 | Clatsop | 4 | 381 | *Cul |
| Corentini | Albert | 1877 | Portland 10 | 26 | 4983 | |
| Corey | Archiel Beckworth | 1888 | Portland 8 | 25 | 2665 | |
| Corey | Clair Elmo | 1879 | Clackamas | 2 | 3772 | |
| Corey | Everett | 1893 | Lane | 11 | 4174 | |
| Corey | Frank | 1889 | Washington | 31 | 2741 | |
| Corey | George Herman | 1885 | Washington | 31 | 2742 | |
| Corey | Glenn L | 1894 | Hood River | 9 | 1649 | |
| Corey | Glenn Whipple | 1886 | Clackamas | 2 | 3773 | |
| Corey | Hylen Harrison | 1874 | Baker | 1 | 824 | |
| Corey | James Frank | 1880 | Multnomah | 15 | 5601 | |
| Corey | Lloyd L | 1890 | Clackamas | 2 | 3774 | |
| Corey | Oscar S | 1894 | Morrow | 15 | 3779 | |
| Corey | Ray Howard | 1878 | Coos | 6 | 958 | |
| Corey | Roy Rutherford | 1877 | Baker | 1 | 825 | |
| Corey | Seth Earl | 1874 | Lane | 11 | 4173 | |
| Corey | Warren James | 1892 | Washington | 31 | 2720 | *Con |
| Corgan | Charles Francis | 1877 | Portland 7 | 24 | 3392 | |
| Corgan | Heyerass Geo | 1891 | Clatsop | 4 | 397 | *Cul |
| Corgan | Hugh | 1878 | Portland 6 | 23 | 3124 | |
| Corhell | Elden Sweet | 1893 | Jackson | 9 | 3673 | |
| Cori | Joe | 1884 | Coos | 6 | 959 | |
| Cork | George W | 1888 | Morrow | 15 | 3780 | |
| Cork | George Walter | 1896 | Grant | 8 | 4366 | |
| Cork | John Otis | 1874 | Grant | 8 | 4363 | |
| Cork | Marion L | 1884 | Morrow | 15 | 3781 | |
| Cork | Thomas H | 1890 | Grant | 8 | 4364 | |
| Corke | Pascoe Deloase | 1886 | Lake | 11 | 1876 | |
| Corkell | Edward Henry | 1882 | Portland 9 | 26 | 1396 | |
| Corkery | John Richard Wesley | 1888 | Klamath | 10 | 4349 | |
| Corkette | Clyde Harry | 1882 | Clatsop | 4 | 380 | *Cul |
| Corkill | Archie | 1884 | Washington | 31 | 2743 | |
| Corkins | Harry | 1891 | Portland 8 | 25 | 2666 | |
| Corl | Leland David | 1894 | Wallowa | 30 | 2174 | |
| Corland | Adolf | 1893 | Clatsop | 4 | 348 | |
| Corless | Clarence A | 1889 | Jefferson | 10 | 1337 | |
| Corless | Herbert Richard | 1897 | Clackamas | 2 | 3775 | |
| Corlett | Donald Alexander | 1899 | Multnomah | 15 | 5604 | |
| Corlew | Cecil | 1876 | Portland 4 | 21 | 2517 | |
| Corlew | Edwin Rollo | 1880 | Yamhill | 32 | 2574 | |
| Corlew | Ernest Joseph | 1882 | Portland 10 | 26 | 4974 | |
| Corley | Frank | 1876 | Umatilla | 28 | 3187 | |
| Corley | Joe | 1873 | Umatilla | 28 | 3188 | |
| Corley | Marion | 1882 | Umatilla | 28 | 3189 | |
| Corley | Walter Ray | 1891 | Morrow | 15 | 3782 | |
| Corley | Wilford | 1896 | Umatilla | 28 | 3190 | |
| Corlin | Harry | 1885 | Curry | 7 | 1083 | |
| Corlis | Guy Wellington | 1891 | Portland 7 | 24 | 3393 | |
| Corliss | Charles Archie | 1877 | Malheur | 13 | 4623 | |
| Corliss | Harold Hugh Mitchell | 1887 | Jackson | 9 | 3665 | |
| Corliss | Joseph Davis | 1899 | Malheur | 13 | 4624 | |
| Corliss | Lewis Levi | 1880 | Curry | 7 | 1115 | |
| Corliss | Lloyd DeWitt | 1893 | Jackson | 9 | 3666 | |
| Corliss | Samuel Hubbard | 1874 | Malheur | 13 | 4625 | |
| Corlson | Gust | 1890 | Klamath | 10 | 4350 | |
| Corly | J J | 1895 | Portland 2 | 18 | 5390 | |
| Cormack | Alfred John | 1884 | Portland 8 | 25 | 2667 | |
| Cormack | James | 1874 | Portland 7 | 24 | 3394 | |
| Cormack | James Shearer | 1877 | Portland 7 | 24 | 3395 | |
| Corman | Percy Hall | 1889 | Umatilla | 28 | 3191 | |
| Cormany | Ryder Lawrence | 1891 | Portland 10 | 26 | 4975 | |
| Cormany | Sheldon Lee | 1883 | Portland 10 | 26 | 4976 | |
| Cormas | Howie Stanley | 1877 | Portland 5 | 22 | 2904 | |
| Cormas | James | 1894 | Klamath | 10 | 4354 | |
| Cormer | Angus Erean | 1881 | Portland 2 | 18 | 5427 | *Cox |
| Cormish | Oscar Bert | 1888 | Klamath | 10 | 4347 |