| Surname | Given | Birth or Age | County | Reel | Seq | Corr |
|---|---|---|---|---|---|---|
| Cormish | Robert Clayton | 1896 | Klamath | 10 | 4346 | |
| Cormish | Van Allen | 1890 | Klamath | 10 | 4345 | |
| Corn | Albert Frank | 1880 | Portland 3 | 20 | 1158 | |
| Corn | Frank Alfred | 1889 | Baker | 1 | 826 | |
| Corn | Parks James | 1876 | Baker | 1 | 827 | |
| Corn | Robert Webster | 1878 | Baker | 1 | 828 | |
| Corn | Samuel Alonzo | 1881 | Lane | 11 | 4175 | |
| Corn | Taylor James | 1882 | Morrow | 15 | 3784 | |
| Corn | William Virgil | 1879 | Union | 29 | 3242 | |
| Cornahia | Nicola | 1881 | Portland 1 | 17 | 1552 | |
| Cornan | John E | 1882 | Portland 1 | 17 | 1626 | *Cro |
| Cornay | Warren Abnu | 1891 | Portland 10 | 26 | 4980 | |
| Cornbest | Thomas Everett | 1881 | Curry | 7 | 1088 | |
| Cornechis | Marc Antonio | 1872 | Portland 3 | 20 | 1159 | |
| Corneley | August | 18 yr | Multnomah | 15 | 5602 | |
| Cornelio | Parodis | 1877 | Portland 4 | 21 | 2518 | |
| Cornelison | Elmer V | 1897 | Wallowa | 30 | 2204 | |
| Cornelison | Everitt Ulysis | 1892 | Union | 29 | 3243 | |
| Cornelison | Henry | 1894 | Umatilla | 28 | 3192 | |
| Cornelison | Joseph Henry | 1893 | Yamhill | 32 | 2575 | |
| Cornelius | Alvin John | 1890 | Wallowa | 30 | 2180 | |
| Cornelius | Andrew Roy | 1881 | Yamhill | 32 | 2576 | |
| Cornelius | Archie Dalton | 1886 | Lane | 11 | 4176 | |
| Cornelius | Burr | 1890 | Washington | 31 | 2745 | |
| Cornelius | Byron Scott | 1887 | Clatsop | 4 | 349 | |
| Cornelius | Cassius Parker | 1873 | Marion 2 | 15 | 1124 | |
| Cornelius | Charlie William | 1881 | Lane | 11 | 4177 | |
| Cornelius | Clarence Ager | 1898 | Jackson | 9 | 3667 | |
| Cornelius | Fred Earl | 1882 | Washington | 31 | 2746 | |
| Cornelius | Fred Joseph | 1889 | Portland 2 | 18 | 5391 | |
| Cornelius | Harry Littlefield | 1899 | Portland 2 | 18 | 5392 | |
| Cornelius | Ira Edward | 1889 | Coos | 6 | 960 | |
| Cornelius | Louis Edward | 1900 | Portland 10 | 26 | 4977 | |
| Cornelius | Oscar | 1892 | Columbia | 5 | 1489 | |
| Cornelius | Ralph Elmow | 1889 | Polk | 16 | 3523 | |
| Cornelius | Ray Daniel | 1896 | Lane | 11 | 4178 | |
| Cornelius | Richard Nelson | 1877 | Portland 3 | 20 | 1160 | |
| Cornelius | Robert Thomas | 1883 | Washington | 31 | 2747 | |
| Cornelius | Rodney Herbert | 1877 | Lane | 11 | 4179 | |
| Cornelius | Stockwell Howe | 1887 | Marion 1 | 14 | 2548 | |
| Cornelius | Virgil L | 1890 | Wheeler | 32 | 1222 | |
| Cornelius | Wilbur George | 1899 | Marion 1 | 14 | 2549 | |
| Cornelius | William Harold | 1893 | Washington | 31 | 2748 | |
| Corneliuson | Gust | 1891 | Portland 9 | 26 | 1397 | |
| Cornell | Arthur L | 1884 | Portland 6 | 23 | 3125 | |
| Cornell | Carl Franklin | 1895 | Douglas | 7 | 5000 | |
| Cornell | Carroll M | 1896 | Josephine | 10 | 2410 | |
| Cornell | Charles Walter | 1886 | Portland 2 | 18 | 5393 | |
| Cornell | Charles Washington | 1891 | Clatsop | 4 | 350 | |
| Cornell | Edward Castle | 1876 | Portland 1 | 17 | 1553 | |
| Cornell | Estries Leroy | 1893 | Grant | 8 | 4367 | |
| Cornell | Forest Floyd | 1896 | Grant | 8 | 4365 | |
| Cornell | Frank Horace | 1874 | Baker | 1 | 829 | |
| Cornell | George Boyd | 1875 | Portland 2 | 18 | 5394 | |
| Cornell | Issac | 1892 | Portland 2 | 18 | 5395 | |
| Cornell | Ivan Robb | 1873 | Portland 2 | 18 | 5396 | |
| Cornell | Lew Elwyn | 1898 | Portland 6 | 23 | 3126 | |
| Cornell | Louis Emmett | 1876 | Lane | 11 | 4180 | |
| Cornell | Norman V | 1891 | Portland 6 | 23 | 3127 | |
| Cornell | Orvin Harold | 1897 | Portland 2 | 18 | 5397 | |
| Cornell | Oscar Judson | 1887 | Portland 6 | 23 | 3128 | |
| Cornell | Raymond James | 1887 | Washington | 31 | 2749 | |
| Cornell | Robert T | 1893 | Portland 8 | 25 | 2668 | |
| Cornell | Ross H | 1891 | Multnomah | 15 | 5603 | |
| Cornell | Roy D | 1891 | Hood River | 9 | 1650 | |
| Cornell | Samuel Oscar | 1872 | Baker | 1 | 830 | |
| Cornell | Thomas | 1891 | Jackson | 9 | 3668 | |
| Cornell | Walsir Laverne | 1880 | Portland 7 | 24 | 3396 | |
| Cornell | William Arthur | 1883 | Portland 8 | 25 | 2669 | |
| Cornell | Willis Raymond | 1889 | Portland 6 | 23 | 3129 | |
| Cornellison | Leo Johnson | 1900 | Wallowa | 30 | 2236 | |
| Cornello | Nick | 1890 | Portland 10 | 26 | 4917 | *Col |
| Cornely | Jacob C | 1897 | Portland 4 | 21 | 2519 | |
| Cornely | Josephus Aloysius | 1876 | Linn | 13 | 244 | |
| Cornes | George Allton | 1899 | Portland 4 | 21 | 2520 | |
| Cornes | John Allton | 1876 | Portland 4 | 21 | 2521 | |
| Cornett | Christopher C | 1894 | Crook | 7 | 168 | |
| Cornett | Clarence | 1877 | Linn | 13 | 246 | |
| Cornett | Elbert Franklin | 1874 | Tillamook | 28 | 483 | |
| Cornett | Harvey Alexander | 1879 | Portland 4 | 21 | 2522 | |
| Cornett | John Anthony | 1895 | Linn | 13 | 245 | |
| Cornett | John William | 1889 | Crook | 7 | 167 | |
| Cornett | Johnny Edward | 1878 | Yamhill | 32 | 2577 | |
| Cornett | Marven | 1889 | Wallowa | 30 | 2205 | |
| Cornils | Hans | 1877 | Washington | 31 | 2750 | |
| Corning | George Webster | 1884 | Portland 9 | 26 | 1398 | |
| Corning | Herbert Irving | 1885 | Portland 10 | 26 | 4978 | |
| Cornish | Arthur Noble | 1889 | Lake | 11 | 1877 | |
| Cornish | Clarence Lee | 1892 | Klamath | 10 | 4279 | |
| Cornish | Herbert Spencer | 1873 | Portland 10 | 26 | 4979 | |
| Cornish | Orin | 1880 | Jackson | 9 | 3669 | |
| Cornish | Raynelle Geo Edw | 1890 | Portland 7 | 24 | 3397 | |
| Cornman | Aaron | 1896 | Baker | 1 | 831 | |
| Cornnell | Raymond Lee | 1893 | Jefferson | 10 | 1342 | |
| Corno | Francisco | 1877 | Portland 3 | 20 | 1161 | |
| Cornog | Charles | 1884 | Portland 2 | 18 | 5398 | |
| Cornon | Jewell D | 1890 | Lake | 11 | 1878 | |
| Cornoyer | Henry Alex | 1876 | Marion 1 | 14 | 2550 | |
| Cornu | Louis Fred | 1893 | Marion 1 | 14 | 2551 | |
| Cornutt | Fred Merritt | 1885 | Josephine | 10 | 2411 | |
| Cornutt | James Noah | 1884 | Jackson | 9 | 3670 | |
| Cornutt | John David Taylor | 1895 | Douglas | 7 | 5072 | |
| Cornutt | Johnnie Marvin | 1887 | Douglas | 7 | 5039 | |
| Cornutt | Perry Ellis | 1875 | Douglas | 7 | 4996 | |
| Cornwall | Johney Clay | 1897 | Coos | 6 | 961 | |
| Cornwall | Leslie | 1893 | Coos | 6 | 962 | |
| Cornwall | Levines Corwin | 1887 | Portland 4 | 21 | 2523 | |
| Cornwell | Andrew Jack | 1888 | Coos | 6 | 964 | |
| Cornwell | Drew | 1886 | Lincoln | 12 | 4104 | |
| Cornwell | Frank | 1887 | Baker | 1 | 832 | |
| Cornwell | George | 1876 | Clackamas | 2 | 3777 | |
| Cornwell | George F | 1893 | Portland 8 | 25 | 2670 | |
| Cornwell | James Franklyn | 1895 | Coos | 6 | 965 | |
| Cornwell | Thomas Edward | 1898 | Coos | 6 | 963 | |
| Cornwell | Tryon Arthur | 1878 | Clackamas | 2 | 3778 | |
| Coroloff | Sam | 1896 | Portland 3 | 20 | 1162 | |
| Corovin | John | 1886 | Columbia | 5 | 1491 | |
| Corpalli | Bippino | 1884 | Portland 5 | 22 | 2905 | |
| Corpe | Fred William | 1885 | Baker | 1 | 833 | |
| Corpino | Frank | 1898 | Portland 2 | 18 | 5399 | |
| Corporon | Elmer Riley | 1895 | Umatilla | 28 | 3193 | |
| Corr | John | 1883 | Portland 3 | 20 | 1152 | |
| Corradin | Joseph | 1874 | Portland 1 | 17 | 1554 | |
| Corrado | Domenico | 1893 | Deschutes | 7 | 2299 | *Coo |
| Correa | Frank | 1878 | Umatilla | 28 | 3194 | |
| Correa | Jess | 1880 | Umatilla | 28 | 3195 | |
| Correll | Charles Lewis | 1877 | Benton | 2 | 420 | |
| Correll | Harry Bert | 1874 | Clatsop | 4 | 368 | *Cra |
| Correll | Mike | 1879 | Union | 29 | 3244 | |
| Correll | William Roe | 1885 | Clatsop | 4 | 384 | *Cul |
| Corrick | Clyde Ethan | 1881 | Clackamas | 2 | 3779 | |
| Corrie | Fred | 1879 | Portland 3 | 20 | 1163 | |
| Corrie | John Quincy | 1894 | Benton | 2 | 421 | |
| Corrieri | Decimo | 1876 | Washington | 31 | 2751 | |
| Corrieri | John | 1894 | Washington | 31 | 2753 | |
| Corrieri | Lapanto | 1899 | Washington | 31 | 2752 | |
| Corrieri | Patale Joe | 1892 | Washington | 31 | 2754 | |
| Corrigall | Alexander | 1882 | Baker | 1 | 834 | |
| Corrigall | Malcolm | 1877 | Malheur | 13 | 4626 | |
| Corrigan | Joe | 1886 | Clatsop | 4 | 383 | *Cul |
| Corrigan | Luke | 1881 | Portland 1 | 17 | 1555 | |
| Corrigan | Marion Francis | 1898 | Yamhill | 32 | 2578 | |
| Corrigan | Patrick | 1890 | Gilliam | 8 | 3156 | |
| Corrigan | Thomas Joseph | 1878 | Portland 10 | 26 | 4981 | |
| Corrigan | William Lawrence | 1892 | Clatsop | 4 | 347 | |
| Corsan | Harry Ben | 1892 | Lane | 11 | 4181 | |
| Corse | George Charles | 1893 | Clatsop | 4 | 351 | |
| Corse | George Walter | 1877 | Umatilla | 28 | 3196 | |
| Corser | Irving | 1874 | Portland 6 | 23 | 3130 | |
| Corsetti | Bernardo | 1895 | Portland 5 | 22 | 2906 | |
| Corsiglia | Francesco Tomaso | 1877 | Columbia | 5 | 1492 | |
| Corson | Clair Horation | 1894 | Lane | 11 | 4182 | |
| Corson | Corbin Julian | 1880 | Wasco | 30 | 4951 | |
| Corson | George Eldridge | 1883 | Wasco | 30 | 4952 | |
| Corson | Harmon | 1890 | Jackson | 9 | 3671 | |
| Corson | Jonathan Dolph | 1895 | Wasco | 30 | 4953 | |
| Corson | Oliver Abraham | 1887 | Baker | 1 | 835 | |
| Corson | Roy Baldwin | 1890 | Coos | 6 | 966 | |
| Corson | Wallace Preston | 1900 | Marion 1 | 14 | 2371 | *Car |
| Corta | Domingo | 1890 | Malheur | 13 | 4627 | |
| Corta | Felix | 1881 | Malheur | 13 | 4628 | |
| Corta | Justo | 1881 | Malheur | 13 | 4629 | |
| Corta | Miguel | 1891 | Malheur | 13 | 4630 | |
| Cortabitarte | Antonio | 1897 | Harney | 9 | 270 | |
| Corte | Jose | 1893 | Jackson | 9 | 3672 | |
| Cortes | Clarence Raymond | 26 yr | Portland 10 | 26 | 4918 | *Col |
| Cortez | Senolis | 1895 | Portland 1 | 17 | 1556 | |
| Cortez | Victoriano | 1897 | Clatsop | 4 | 352 | |
| Corthell | Bert | 1877 | Portland 3 | 20 | 1164 | |
| Corthell | Charles | 1884 | Portland 3 | 20 | 1165 | |
| Corthell | Rollie Arvida | 1873 | Coos | 6 | 967 | |
| Cortopassi | Raffallo | 1883 | Portland 2 | 18 | 5400 | |
| Cortreas | Philip | 1886 | Jackson | 9 | 3674 | |
| Cortright | Arthur B | 1889 | Morrow | 15 | 3783 | |
| Corts | John | 1883 | Harney | 9 | 271 | |
| Corulli | Angelo | 1897 | Marion 1 | 14 | 2372 | *Car |
| Corum | Curtis L | 1893 | Wasco | 30 | 4954 | |
| Corum | George Harrison | 1878 | Jackson | 9 | 3680 | *Cot |
| Corum | John A | 1892 | Jackson | 9 | 3682 | *Cot |
| Corum | Roy Earnest | 1884 | Lane | 11 | 4183 | |
| Corum | Walter Warberton | 1886 | Jackson | 9 | 3681 | *Cot |
| Corum | William Edwin | 1880 | Klamath | 10 | 4343 | |
| Corvden | George Washington | 1876 | Portland 2 | 18 | 5421 | *Cov |
| Corvich | George | 1885 | Clatsop | 4 | 398 | *Cul |
| Corvin | Oscar | 35 yr | Baker | 1 | 836 | |
| Corwin | Benton Ray | 1885 | Clatsop | 4 | 341 | |
| Corwin | Charles Edwin | 1874 | Portland 10 | 26 | 4982 | |
| Corwin | Guy James | 1898 | Jefferson | 10 | 1355 | |
| Corwin | Hugh Clyde | 1894 | Portland 4 | 21 | 2525 | |
| Corwin | Perry Allen | 1889 | Jefferson | 10 | 1349 | |
| Corwin | Willard Harry | 1883 | Jackson | 9 | 3683 | *Cot |
| Corwin | William Wehrung | 26 yr | Washington | 31 | 2755 | |
| Corwine | George Delwin | 1884 | Portland 8 | 25 | 2671 | |
| Cory | Charles Clarence | 1894 | Marion 1 | 14 | 2552 | |
| Cory | Clyde Edwin | 1895 | Polk | 16 | 3524 | |
| Cory | Heman Nathaniel | 1873 | Portland 4 | 21 | 2526 | |
| Cory | Mila Eupharatus | 1878 | Lane | 11 | 4184 | |
| Cory | Ronald Dewey | 1898 | Portland 6 | 23 | 3131 | |
| Cory | Rufus Fay | 1896 | Marion 1 | 14 | 2553 | |
| Coryea | Lafayette Everett | 1874 | Portland 5 | 22 | 2907 | |
| Coryea | Ralph F | 1895 | Portland 5 | 22 | 2908 | |
| Coryell | Haydn | 1898 | Portland 3 | 20 | 1166 | |
| Coryell | Lewis Edgar | 1874 | Portland 4 | 21 | 2527 | |
| Coryell | Oliver | 1891 | Marion 1 | 14 | 2554 | |
| Cosa | Cecil Marvin | 1893 | Portland 7 | 24 | 3400 | |
| Cosby | Frank Fitch | 1893 | Portland 3 | 20 | 1167 | |
| Cosby | Marion W | 1894 | Portland 2 | 18 | 5401 | |
| Cosby | Walter Emory | 1880 | Portland 5 | 22 | 2910 | |
| Cosco | Pasqualle | 1889 | Portland 2 | 18 | 5402 | |
| Coscorosa | Marisio | 1885 | Malheur | 13 | 4631 | |
| Coseboom | Chas Newman | 1890 | Portland 6 | 23 | 3132 | |
| Cosens | Fred Roy | 1890 | Baker | 1 | 837 | |
| Cosens | Harry Cornelius | 1888 | Baker | 1 | 838 | |
| Cosens | Russell Irvin | 1893 | Baker | 1 | 839 | |
| Cosentine | Domenico | 1884 | Portland 6 | 23 | 3133 | |
| Cosentini | Alfred | 1884 | Portland 10 | 26 | 4985 | |
| Cosentino | Antonio Francisco | 1884 | Portland 2 | 18 | 5403 | |
| Cosestini | Alttitis | 1896 | Portland 10 | 26 | 4984 | |
| Cosgriff | Robert J | 1895 | Portland 5 | 22 | 2909 | |
| Cosgro | Arnold Frederick | 1897 | Crook | 7 | 169 | |
| Cosgrove | Chester James | 1894 | Benton | 2 | 422 | |
| Cosgrove | Edward J | 1894 | Portland 9 | 26 | 1399 | |
| Cosgrove | James Joseph | 1880 | Tillamook | 28 | 484 | |
| Cosgrove | James Matthew | 1873 | Portland 10 | 26 | 4986 | |
| Cosgrove | John | 1882 | Hood River | 9 | 1647 | |
| Cosgrove | John Joseph | 1876 | Portland 8 | 25 | 2672 | |
| Cosgrove | John Pat | 1873 | Clatsop | 4 | 356 | |
| Cosgrove | John Thomas | 1872 | Portland 10 | 26 | 4987 | |
| Cosgrove | Joseph Patrick | 1893 | Portland 1 | 17 | 1557 | |
| Cosgrove | Michael | 1876 | Linn | 13 | 247 | |
| Cosgrove | Thomas Conlin | 1893 | Malheur | 13 | 4632 | |
| Cosgrove | Thomas E | 1892 | Portland 9 | 26 | 1400 | |
| Cosgrove | Walter Alfred | 1892 | Benton | 2 | 423 | |
| Coshow | Elma Price | 1880 | Crook | 7 | 170 | |
| Coshow | Fayne McCully | 1891 | Linn | 13 | 248 | |
| Coshow | Owen William | 1886 | Linn | 13 | 249 | |
| Coshow | Robert Delos | 1894 | Linn | 13 | 250 | |
| Cosi | Luigi | 1887 | Columbia | 5 | 1493 | |
| Coslett | Oliver Oscar | 1883 | Portland 4 | 21 | 2528 | |
| Coslow | John Milton | 1893 | Portland 1 | 17 | 1558 | |
| Cosmos | George Nicholas | 1884 | Portland 8 | 25 | 2673 | |
| Cosmos | Steve S | 1885 | Gilliam | 8 | 3104 | |
| Cosmospula | Constantine John | 1881 | Portland 1 | 17 | 1559 | |
| Cosner | Hugh Conlin | 1894 | Portland 4 | 21 | 2529 | |
| Cosner | Plato Homer | 1880 | Union | 29 | 3245 | |
| Cosola | Vito | 1889 | Portland 2 | 18 | 5404 | |
| Cosovich | Peter George | 1898 | Clatsop | 4 | 393 | *Cul |
| Cosper | Cecil | 1881 | Portland 4 | 21 | 2530 | |
| Cosper | Hiram S | 1887 | Portland 2 | 18 | 5405 | |
| Cossette | Joseph Frederick | 1875 | Portland 5 | 22 | 2911 | |
| Cossitte | George | 1896 | Wasco | 30 | 4955 | |
| Costa | Carla Dalla | 1889 | Klamath | 10 | 4362 | |
| Costa | Charles W | 1895 | Portland 2 | 18 | 5406 | |
| Costa | Niccola | 1881 | Portland 4 | 21 | 2531 | |
| Costa | Vincent | 1887 | Portland 5 | 22 | 2912 | |
| Costain | Clifford B | 1878 | Josephine | 10 | 2412 | |
| Costain | Fred Frederick | 1887 | Josephine | 10 | 2413 | |
| Costantino | Ferrero | 1888 | Portland 4 | 21 | 2532 | |
| Costanzo | Angelo | 1885 | Portland 4 | 21 | 2533 | |
| Costanzo | Manseth | 1889 | Union | 29 | 3246 | |
| Costanzo | Nat | 1872 | Portland 3 | 20 | 1170 | |
| Costanzo | Pasquale | 1889 | Portland 4 | 21 | 2534 | |
| Costanzo | Sam | 1896 | Portland 3 | 20 | 1171 | |
| Costanzo | Santo | 1888 | Portland 3 | 20 | 1172 | |
| Costas | Angelo Constantine | 1886 | Portland 2 | 18 | 5407 | |
| Costegan | Michael Joseph | 1881 | Coos | 6 | 969 | |
| Costegan | William Joseph | 1875 | Coos | 6 | 968 | |
| Costella | John | 1876 | Multnomah | 15 | 5605 | |
| Costellae | Leonard Clare | 1896 | Curry | 7 | 1107 | |
| Costello | Daniel George | 1897 | Union | 29 | 3247 | |
| Costello | Daniel Richard | 1896 | Portland 5 | 22 | 2913 | |
| Costello | James Joseph | 1894 | Portland 5 | 22 | 2914 | |
| Costello | John Abner | 1887 | Lane | 11 | 4185 | |
| Costello | John David | 1881 | Lane | 11 | 4186 | |
| Costello | John Thomas | 1887 | Portland 6 | 23 | 3134 | |
| Costello | John Wesley | 1876 | Linn | 13 | 252 | |
| Costello | Norman George | 1899 | Portland 2 | 18 | 5408 | |
| Costello | Patrick Francis | 1883 | Portland 5 | 22 | 2915 | |
| Costello | Robert Arthur | 1894 | Sherman | 27 | 5228 | |
| Costello | Walter Joseph | 1888 | Portland 8 | 25 | 2675 | |
| Costelloe | John Terence | 1883 | Portland 6 | 23 | 3135 | |
| Costen | Marian Josef | 1885 | Portland 7 | 24 | 3398 | |
| Coster | Royden Reburtis | 1877 | Portland 3 | 20 | 1173 | |
| Costi | Fidale | 1874 | Portland 5 | 22 | 2916 | |
| Costidis | George Mitchell | 1881 | Portland 2 | 18 | 5409 | |
| Costis | Aemanoel | 1882 | Clatsop | 4 | 355 | |
| Costley | Young Marion | 1872 | Wallowa | 30 | 2246 | |
| Costney | John L | 1889 | Washington | 31 | 2685 | *Clu |
| Costoglos | Chris D P | 1881 | Portland 3 | 20 | 1174 | |
| Coston | Charles | 1886 | Portland 7 | 24 | 3399 | |
| Costonya | Adeno | 1875 | Portland 1 | 17 | 1560 | |
| Costopoulis | Angelos Efthinian | 1873 | Columbia | 5 | 1494 | |
| Costuma | Albon Abraham | 1880 | Portland 5 | 22 | 2917 | |
| Costuntine | Pietro | 1876 | Portland 10 | 26 | 4988 | |
| Cosztyo | Peter | 1880 | Baker | 1 | 840 | |
| Cota | Albert Joerfith | 1884 | Clackamas | 2 | 3780 | |
| Cotali | Domenico | 1881 | Deschutes | 7 | 2322 | |
| Cote | Andrew | 1873 | Wallowa | 30 | 2257 | |
| Cote | Christopher Oliver | 1878 | Clackamas | 2 | 3781 | |
| Cote | Francis Carl | 1899 | Portland 1 | 17 | 1561 | |
| Cote | Oscar Alfred | 1884 | Portland 1 | 17 | 1562 | |
| Cote | Pete | 1881 | Wallowa | 30 | 2243 | |
| Cothran | John Raines | 1882 | Sherman | 27 | 5229 | |
| Cothren | Fred Burdette | 1898 | Marion 1 | 14 | 2555 | |
| Coti | John | 1889 | Columbia | 5 | 1540 | *Cva |
| Cotinas | Nikolas | 1896 | Clatsop | 4 | 354 | *Cor |
| Cotis | John | 1884 | Columbia | 5 | 1495 | |
| Cotner | Benj August | 1880 | Union | 29 | 3248 | |
| Cotner | Robert Jose | 1883 | Union | 29 | 3249 | |
| Cotone | LaBatore | 1889 | Portland 3 | 20 | 1175 | |
| Cotonzarita | Antonio | 1893 | Lane | 11 | 4187 | |
| Cots | George L | 1894 | Portland 8 | 25 | 2676 | |
| Cotsifas | Fokion D | 1889 | Multnomah | 15 | 5608 | |
| Cotsjas | Sam V | 1896 | Portland 1 | 17 | 1563 | |
| Cottaras | James | 1889 | Columbia | 5 | 1496 | |
| Cottardi | Julius N | 1888 | Portland 4 | 21 | 2535 | |
| Cottel | Charles Campbell | 1893 | Portland 3 | 20 | 1176 | |
| Cottell | Harry | 1892 | Coos | 6 | 970 | |
| Cottell | John | 1882 | Coos | 6 | 971 | |
| Cottell | Thomas James | 1886 | Coos | 6 | 972 | |
| Cottell | William | 1884 | Coos | 6 | 973 | |
| Cottengin | J Arthur | 1886 | Jefferson | 10 | 1345 | |
| Cotter | Charles Albert | 1877 | Jackson | 9 | 3675 | |
| Cotter | Fred Hunter | 1890 | Portland 1 | 17 | 1564 | |
| Cotter | Guy Edgar | 1889 | Linn | 13 | 253 | |
| Cotter | Joseph Pennwood | 1884 | Baker | 1 | 841 | |
| Cotter | Martin E | 1874 | Morrow | 15 | 3785 | |
| Cotterell | Charley Loy | 1887 | Portland 6 | 23 | 3138 | |
| Cottey | William Jackson | 1886 | Marion 2 | 15 | 1130 | *Coy |
| Cottingein | Fred | 1882 | Grant | 8 | 4368 | |
| Cottingham | George Waldo | 1900 | Portland 6 | 23 | 3136 | |
| Cottingham | John Henry | 1891 | Wallowa | 30 | 2177 | |
| Cottingham | William D | 1881 | Baker | 1 | 842 | |
| Cottinghem | Cone | 1889 | Portland 1 | 17 | 1565 | |
| Cottini | James | 1885 | Coos | 6 | 975 | |
| Cottis | Alfred | 1884 | Columbia | 5 | 1497 | |
| Cottle | Charles | 1887 | Coos | 6 | 976 | |
| Cottle | Chester Earle | 1874 | Portland 1 | 17 | 1566 | |
| Cottmire | David Henry | 1880 | Gilliam | 8 | 3119 | |
| Cottnour | Lawrence Abel | 1899 | Benton | 2 | 424 | |
| Cottoe | Sylvia Richard | 1889 | Coos | 6 | 974 | |
| Cotton | Albert | 1899 | Portland 9 | 26 | 1401 | |
| Cotton | Andrew Clarence | 1897 | Coos | 6 | 977 | |
| Cotton | Bert Leer | 1881 | Linn | 13 | 254 | |
| Cotton | Charles James | 1895 | Josephine | 10 | 2414 | |
| Cotton | Donald Buckley | 1888 | Portland 7 | 24 | 3217 | *Cat |
| Cotton | Earl Bogart | 1892 | Marion 1 | 14 | 2556 | |
| Cotton | Ethelbert Thomas | 1879 | Wasco | 30 | 4985 | *Cro |
| Cotton | Fred Gregory | 1874 | Portland 2 | 18 | 5410 | |
| Cotton | George Bentley | 1877 | Portland 3 | 20 | 1177 | |
| Cotton | Harry Franklin | 1884 | Portland 7 | 24 | 3401 | |
| Cotton | Howard Hudson | 1900 | Coos | 6 | 980 | |
| Cotton | James Reuben | 1894 | Coos | 6 | 978 | |
| Cotton | Jesse Louis | 1884 | Jackson | 9 | 3678 | |
| Cotton | Jesse Ray | 1895 | Coos | 6 | 979 | |
| Cotton | John Andrew | 1886 | Jackson | 9 | 3677 | |
| Cotton | John Charles | 1883 | Portland 7 | 24 | 3218 | *Cat |
| Cotton | Tobie Joseph | 1882 | Portland 6 | 23 | 3137 | |
| Cotton | Walter Lee | 1887 | Hood River | 9 | 1648 | |
| Cotton | Walter Scott | 1877 | Portland 5 | 22 | 2918 | |
| Cotton | William | 1893 | Jackson | 9 | 3676 | |
| Cottongim | Charles Clifton | 1890 | Wheeler | 32 | 1224 | |
| Cottor | Hubert Alexander | 1894 | Coos | 6 | 982 | |
| Cottor | John Peter | 1886 | Coos | 6 | 981 | |
| Cottrell | Clarence Elmer | 1882 | Union | 29 | 3250 | |
| Cottrell | Cyrus Carl | 1896 | Linn | 13 | 255 | |
| Cottrell | Harrison Gorton | 1892 | Klamath | 10 | 4365 | |
| Cottrell | John West | 1883 | Portland 7 | 24 | 3402 | |
| Cottrell | William Joseph | 1887 | Portland 8 | 25 | 2677 | |
| Cottrell | William Winfield | 1882 | Jackson | 9 | 3679 | |
| Cottrill | Melvin L | 1874 | Baker | 1 | 843 | |
| Cotty | Frank Ellwood | 1874 | Wasco | 30 | 4986 | *Cro |
| Cotty | Neal Edward | 1899 | Portland 5 | 22 | 2919 | |
| Cotty | Walter | 1880 | Portland 5 | 22 | 2920 | |
| Coturri | Maurice Lazare | 1879 | Portland 2 | 18 | 5411 | |
| Cotzhausen | Arthur | 1877 | Portland 7 | 24 | 3403 | |
| Couch | Earl | 1896 | Lane | 11 | 4188 | |
| Couch | Floyd Edward | 1898 | Wallowa | 30 | 2219 | |
| Couch | Frank Baxton | 1880 | Portland 9 | 26 | 1402 | |
| Couch | Fred Cornelius | 1884 | Portland 10 | 26 | 4989 | |
| Couch | George Oliver | 1876 | Portland 4 | 21 | 2536 | |
| Couch | Harry C | 1889 | Portland 10 | 26 | 4990 | |
| Couch | Harry C | 1879 | Portland 7 | 24 | 3404 | |
| Couch | Hobart V | 1889 | Portland 4 | 21 | 2537 | |
| Couch | James Henry | 1873 | Klamath | 10 | 4313 | |
| Couch | John Isaac | 1879 | Wallowa | 30 | 2218 | |
| Couch | Leo King | 1896 | Wallowa | 30 | 2198 | |
| Couch | Lloyd Edmond | 1898 | Wallowa | 30 | 2223 | |
| Couch | Orlando Clinton | 1886 | Portland 4 | 21 | 2538 | |
| Couch | Ray L | 1874 | Union | 29 | 3256 | |
| Couch | Ray M | 1894 | Union | 29 | 3251 | |
| Couch | Robert | 1890 | Lane | 11 | 4189 | |
| Couche | Charles Emmett Henry | 1890 | Portland 7 | 24 | 3405 | |
| Couchlan | Bert K | 1892 | Portland 2 | 18 | 5413 | |
| Couchman | Edwin John | 1882 | Hood River | 9 | 1651 | |
| Couchman | Orville Price | 1882 | Klamath | 10 | 4312 | |
| Coucinow | Norman | 1874 | Portland 2 | 18 | 5417 | |
| Coudet | Clinton Marvin | 1884 | Portland 10 | 26 | 4922 | *Con |
| Coudrey | James Lloyd | 1897 | Klamath | 10 | 4318 | |
| Coudron | John Pete | 1899 | Polk | 16 | 3489 | *Col |
| Couey | John Bryson | 1874 | Linn | 13 | 204 | *Con |
| Coughenour | Edgar Cleveland | 1888 | Union | 29 | 3257 | |
| Coughenour | William Nestry | 1877 | Union | 29 | 3258 | |
| Coughlan | John Michael | 1884 | Portland 4 | 21 | 2539 | |
| Coughlan | Mortie | 1879 | Linn | 13 | 256 | |
| Coughlin | Daniel Thomas | 1886 | Columbia | 5 | 1498 | |
| Coughlin | George Henry | 1882 | Washington | 31 | 2756 | |
| Coughlin | Joseph | 1887 | Portland 2 | 18 | 5414 | |
| Coughlin | Joseph Francis | 1887 | Portland 2 | 18 | 5266 | *Coe |
| Coughlin | Joseph William | 1883 | Portland 3 | 20 | 1178 | |
| Coughlin | Richard Patrick | 1884 | Portland 1 | 17 | 1567 | |
| Coughran | John Allen | 1878 | Tillamook | 28 | 485 | |
| Coughran | John Bert | 1879 | Washington | 31 | 2757 | |
| Coughtry | Earl | 1900 | Yamhill | 32 | 2579 | |
| Coughtry | Fay Cecil | 1895 | Yamhill | 32 | 2580 | |
| Coughtry | Harold D | 1898 | Yamhill | 32 | 2581 | |
| Coughtry | James Charles | 1872 | Yamhill | 32 | 2582 | |
| Cougle | Austin Banks | 1899 | Josephine | 10 | 2416 | |
| Coukos | Dimitrius Antonio | 1881 | Portland 2 | 18 | 5267 | *Coe |
| Couley | Carl Everett | 1897 | Klamath | 10 | 4315 | |
| Coulson | Clark Fred | 1896 | Portland 9 | 26 | 1403 | |
| Coulson | David Dwight | 1881 | Yamhill | 32 | 2583 | |
| Coulson | David Frank | 1872 | Portland 10 | 26 | 4991 | |
| Coulson | Edgar Worth | 1883 | Marion 2 | 15 | 1126 | |
| Coulson | George Henry | 1883 | Portland 4 | 21 | 2540 |
