| Groom's Last Name | Groom's First Name | Bride's Last Name | Bride's First Name | Year | Film | Tif | Image | |||
| O Connor | Maurice | Gevin | Bridget | 1874 | 1032495 | 62 | 64 | |||
| Oakler | Carl | Peters | Marie | 1873 | 1032494 | 1052 | 1055 | |||
| Oaster | Johann | Brehert | Pauline | 1869 | 1032492 | 735 | 734 | |||
| Obenberger | Albert | Frenda | Anna | 1872 | 1032493 | 1208 | 1210 | |||
| Ober | James K. | Laskowsky | Josephine | 1863 | 1032383 | 164 | 162 | |||
| Oberbellig | Mathias | Werel | Anna | 1865 | 1032383 | 1252 | 518 | |||
| Obermaier | Michael | Reichmaier | Christine | 1850 | 1032380 | 648 | 647 | |||
| Obermann | Friederich L. | Oesterreicher | Margaretha | 1876 | 1032496 | 821 | 822 | |||
| Obermann | Jacob | Schmidt | Barbara | 1853 | 1032381 | 157 | 156 | |||
| Oberndorfer | Emanuel M. | Frank | Jennie | 1876 | 1032496 | 791 | 792 | |||
| Oberraith | Andreas | Beck | Margareth | 1867 | 1032384 | 627 | 629 | |||
| Oberst | Adam | Domke | Hulda | 1875 | 1032496 | 196 | 197 | |||
| Obma | Tjeerd S. | Geises | Mriana | 1863 | 1032383 | 111 | 109 | |||
| O'Brian | William | Authorization | 1857 | 1032382 | 1142 | 609 | ||||
| O'Brien | James | Bohan | Johanna | 1852 | 1032380 | 1313 | 1312 | |||
| O'Brien | John | Burke | Hanna | 1870 | 1032492 | 231 | 230 | |||
| O'Brien | Edward | Casey | Mary | 1868 | 1032385 | 323 | 327 | |||
| O'Brien | Michael | Castello | Mary E. | 1871 | 1032493 | 59 | 61 | |||
| O'Brien | Timothy | Caswell | Harriet | 1850 | 1032380 | 751 | 750 | |||
| O'Brien | Patrick | Caveney | Bridget | 1870 | 1032492 | 78 | 77 | |||
| O'Brien | Patrick | Corrigan | Margaret | 1874 | 1032494 | 1398 | 1401 | |||
| O'Brien | William | Doherby | Cathrine | 1852 | 1032381 | 366 | 364 | |||
| O'Brien | Timothy | Donohoe | Mary Ann | 1862 | 1032384 | 696 | 698 | |||
| O'Brien | Patrick | Duffy | Elizabeth | 1868 | 1032385 | 194 | 198 | |||
| O'Brien | Timothy | Duvergne | Mary Ann | 1866 | 1032384 | 712 | 714 | |||
| O'Brien | Timothy | Fitzgerald | Mary | 1856 | 1032381 | 637 | 635 | |||
| O'Brien | Jeremiah | Hanrahan | Catherine | 1850 | 1032380 | 747 | 746 | |||
| O'Brien | Philip | Manning | Mrs. Rosa | 1869 | 1032385 | 519 | 523 | |||
| O'Brien | James | O'Donell | Bridget | 1850 | 1032380 | 801 | 800 | |||
| O'Brien | Peter | O'Laughlin | Joanna | 1874 | 1032495 | 204 | 206 | |||
| O'Brien | Matthews | Pormaly | Margaritta | 1852 | 1032381 | 367 | 365 | |||
| O'Brien | Jeremiah | Ryan | Sara | 1851 | 1032380 | 859 | 858 | |||
| O'Brien | Patrick | Smith | Mary M. | 1853 | 1032382 | 933 | 400 | |||
| O'Brien | Philip | Smith | Rosa | 1869 | 1032385 | 519 | 523 | |||
| O'Brien | Daniel | Wisener | Angeline | 1872 | 1032493 | 1067 | 1069 | |||
| Obrtman | August | Arsand | Emelia | 1854 | 1032381 | 380 | 378 | |||
| Obst | Lewis | Wiener | Emilee | 1872 | 1032493 | 239 | 241 | |||
| Ochs | John | Buettner | Babet | 1860 | 1032381 | 1207 | 85 | |||
| Ochsner | Frederick | Wirz | Margaretha | 1861 | 1032381 | 1429 | 308 | |||
| Ocklitz | Julius | Hamman | Catharina | 1865 | 1032384 | 1392 | 670 | |||
| Ocklitz | Julius | Hamman | Catharina | 1865 | 1032384 | 1393 | 671 | |||
| Ocklitz | Julius | Nay | Mrs. Catharina | 1865 | 1032384 | 1392 | 670 | |||
| Ocklitz | Julius | Nay | Mrs. Catharina | 1865 | 1032384 | 1393 | 671 | |||
| O'Connell | John | Clancly | Ellen | 1863 | 1032384 | 700 | 702 | |||
| O'Connell | Maurice | Denver | Catherine | 1844 | 1032379 | 67 | 65 | |||
| O'Connell | Dennis | Higgens | Honora | 1874 | 1032495 | 400 | 402 | |||
| O'Connell | Michael | Jockey | Mrs. Bridget | 1864 | 1032384 | 704 | 706 | |||
| O'Connell | John | Lavall | Rose | 1862 | 1032384 | 698 | 700 | |||
| O'Connell | Jeremiah | O'Leary | Margaret | 1850 | 1032380 | 544 | 543 | |||
| O'Connell | Jeremiah | O'Malley | Margaret | 1872 | 1032493 | 817 | 819 | |||
| O'Connell | Edward | O'Sullivan | Margaret | 1851 | 1032380 | 988 | 987 | |||
| O'Connell | James | Powers | Johanna | 1874 | 1032495 | 46 | 48 | |||
| O'Connell | James | Rohan | Ellen | 1875 | 1032496 | 552 | 553 | |||
| O'Connell | Edward | Torpey | Mary | 1865 | 1032384 | 712 | 714 | |||
| O'Conner | Thomas | Chapman | Catherine | 1869 | 1032385 | 690 | 694 | |||
| O'Conner | John | Coffey | Bridget M. | 1872 | 1032493 | 1157 | 1159 | |||
| O'Conner | James | Mullen | Hannah | 1874 | 1032495 | 396 | 398 | |||
| O'Conner | Peter | O'Brien | Margaret | 1872 | 1032493 | 1064 | 1066 | |||
| O'Connor | John | Bowler | Ellen | 1867 | 1032384 | 1088 | 364 | |||
| O'Connor | Theodor | Brody | Bridget | 1849 | 1032380 | 297 | 296 | |||
| O'Connor | John | Burke | Mary | 1856 | 1032381 | 643 | 641 | |||
| O'Connor | Philip | Colman | Mary Josephine | 1869 | 1032385 | 998 | 22 | |||
| O'Connor | Edward | Connor | Margaret | 1873 | 1032494 | 914 | 917 | |||
| O'Connor | Jeremiah | Kennedy | Mary | 1852 | 1032380 | 1308 | 1307 | |||
| O'Connor | James | Lee | Bridget | 1862 | 1032384 | 698 | 700 | |||
| O'Connor | Maurice | O'Brien | Mary | 1875 | 1032496 | 16 | 17 | |||
| O'Connor | Michael John | Riley | Mary | 1876 | 1032496 | 1071 | 1072 | |||
| O'Connor | Thomas | Smith | Mary | 1846 | 1032379 | 188 | 186 | |||
| O'Connor | Peter | Welsh | Winnefried | 1867 | 1032384 | 1087 | 363 | |||
| O'Connor | Peter | Welsh | Winnefride | 1867 | 1032384 | 1109 | 385 | |||
| Odd | John | Bengmeenn | Helene | 1851 | 1032380 | 982 | 981 | |||
| Ode | August | Bennit | Friedericke | 1870 | 1032385 | 1390 | 414 | |||
| Odekirk | Percey T. | Sinemon | Euphrasia | 1864 | 1032381 | 1071 | 1070 | |||
| Odell | William | Winkler | Dorothy | 1848 | 1032379 | 1002 | 1000 | |||
| Odell | William | Winkler | Dorothy | 1848 | 1032379 | 1003 | 1001 | |||
| O'Dell | George | Haman | Sophia | 1866 | 1032383 | 1489 | 755 | |||
| O'Dell | Ira | Kenney | Elisabeth | 1870 | 1032492 | 123 | 122 | |||
| O'Dell | Ira | Kenney | Elisabeth | 1870 | 1032492 | 124 | 123 | |||
| Odenbrett | Henry | Lunzmann | Louisa | 1850 | 1032380 | 766 | 765 | |||
| O'Donnell | Morgan J. | Hogan | Anna E. | 1873 | 1032494 | 911 | 914 | |||
| O'Donnell | Michael | Nugent | Mary | 1868 | 1032385 | 324 | 328 | |||
| O'Donnell | William | O'Brien | Bridget | 1851 | 1032380 | 987 | 986 | |||
| O'Donnell | James | Quinn | Bridget | 1869 | 1032385 | 798 | 802 | |||
| O'Donnell | Michael | Ryan | Mrs. Mary | 1868 | 1032385 | 324 | 328 | |||
| Odrich | Friedrich | Zimmermann | Wilhelmine | 1859 | 1032381 | 1080 | 1079 | |||
| Ody | Joseph | Hochstadler | Albertine | 1850 | 1032380 | 725 | 724 | |||
| Ody | Joseph | Hochstadler | Albertine | 1850 | 1032380 | 726 | 725 | |||
| Oehler | Henry | Stuintz | Mrs. Friderika | 1853 | 1032381 | 369 | 367 | |||
| Oehler | Albert | Zielke | Mathilda | 1863 | 1032383 | 89 | 87 | |||
| Oehles | Gustav | Koch | Henriette | 1861 | 1032382 | 256 | 255 | |||
| Oehlschlager | Philipp | Berchler | Elisabeth | 1870 | 1032385 | 1460 | 484 | |||
| Oehlsheimer | Nicholas | Seinterlbreec | Caroline | 1848 | 1032380 | 491 | 490 | |||
| Oehmeke | Johann Joachim Christian Jurgen | Mindemann | Christina | 1868 | 1032385 | 276 | 280 | |||
| Oelfeke | Frederick | Lowe | Mary | 1848 | 1032380 | 495 | 494 | |||
| Oelhafen | Friederich | Becker | Barbara | 1870 | 1032385 | 1454 | 478 | |||
| Oelhafen | Friedrich | Menz | Carolina | 1868 | 1032385 | 61 | 65 | |||
| Oellslager | Peter | Wifenbach | Catharine | 1847 | 1032379 | 593 | 591 | |||
| Oelschlaeger | Peter | Wifenbach | Catharine | 1847 | 1032379 | 592 | 590 | |||
| Oepser | Ludwig | Schumacher | Wilhelmine | 1865 | 1032383 | 906 | 172 | |||
| Oerkwitz | Rudolph | Beuthin | Marie | 1870 | 1032385 | 1478 | 502 | |||
| Oertel | Ludwig | Ehrmann | Johanna | 1869 | 1032385 | 480 | 484 | |||
| Oertel | Carl | Grendsch | Flora | 1873 | 1032494 | 1180 | 1183 | |||
| Oertel | Edward C. | Thayer | Mary A. | 1853 | 1032381 | 173 | 172 | |||
| Oestenreich | Adam | Bader | Mrs. Eva Catharine | 1867 | 1032384 | 1433 | 711 | |||
| Oestenreich | Adam | Low | Eva Catharine | 1867 | 1032384 | 1433 | 711 | |||
| Oesterly | George | Muehleisen | Mary | 1857 | 1032382 | 1127 | 594 | |||
| Oesterly | Conrad | Wagner | Ann Elizabeth | 1869 | 1032385 | 1032 | 56 | |||
| Oestreich | Gottfried | Nehls | Lina | 1872 | 1032493 | 297 | 299 | |||
| Oestreich | Gottfried | Nehls | Lina | 1872 | 1032493 | 401 | 403 | |||
| Oestreicher | Anton | Elmer | Elizabeth | 1865 | 1032384 | 1377 | 655 | |||
| Oestreicher | John | Laubenheimer | Barbara | 1870 | 1032492 | 614 | 613 | |||
| Oestreicher | Peter | Oestreicher | Dorothea | 1874 | 1032494 | 1239 | 1242 | |||
| O'Farrell | Peter | McMannus | Ann | 1865 | 1032384 | 709 | 711 | |||
| Offenbacher | Johannes | Baumann | Rosina | 1854 | 1032382 | 817 | 284 | |||
| Offerman | Wilhelm | Koch | Augusta | 1874 | 1032495 | 573 | 169 | |||
| Ofintzraff | Frederick | Bauer | Johanna | 1848 | 1032380 | 492 | 491 | |||
| O'Flaherty | Thomas | Moloney | Bridget | 1851 | 1032380 | 993 | 992 | |||
| Ogden | John G. | Atkins | Sarah S. | 1873 | 1032494 | 999 | 1002 | |||
| Ogden | David Bogard | Wall | Lucia Alice | 1863 | 1032497 | 386 | 391 | |||
| Ogden | David Bogard | Wall | Lucia Alice | 1863 | 1032497 | 387 | 392 | |||
| O'Gorman | James | O'Neil | Mary Ann | 1850 | 1032380 | 590 | 589 | |||
| O'Gready | Patrick | Monaghan | Maria | 1855 | 1032381 | 482 | 480 | |||
| O'Hara | Charles | Rafferty | Bridget | 1851 | 1032380 | 1140 | 1138 | |||
| O'Hara | John | Russell | Susan | 1872 | 1032494 | 16 | 18 | |||
| Ohde | ___Friedrich Wilh. | Zepsel | Carol Soph. Dorotha Friedrika | 1866 | 1032384 | 191 | 188 | |||
| Ohde | Ludwig Friedrich Wilhelm | Zessel | Caroline Sophia Friedrike | 1866 | 1032384 | 914 | 188 | |||
| O'Hearn | James | Howard | Mrs. Ellen F. | 1869 | 1032492 | 303 | 302 | |||
| O'Hearne | Arthur | Dwyer | Bridget | 1856 | 1032381 | 634 | 632 | |||
| Ohlers | Dietrich | Zachert | Wilhelmine | 1865 | 1032383 | 1228 | 494 | |||
| Ohlke | Albert | Knack | Friederike | 1876 | 1032496 | 1467 | 1468 | |||
| Ohlsen | Christian Friedrich Ludwig | Dahn | Pauline Friedericke Wilhelmine | 1874 | 1032495 | 852 | 448 | |||
| Ohlsen | Christian Friedrich Ludwig | Dahn | Pauline Friedericke Wilhelmine | 1874 | 1032495 | 853 | 449 | |||
| Ohm | Wiiliam | Braatz | Wilhelmine | 1874 | 1032495 | 464 | 60 | |||
| Ohm | Wilhelm | Braatz | Wilhelmine | 1874 | 1032495 | 615 | 211 | |||
| Ohm | Friederich | Lemke | Friederike | 1875 | 1032495 | 1137 | 733 | |||
| Ohsenbrugge | Henry | Grosskopf | Frederica | 1874 | 1032495 | 510 | 106 | |||
| Ohsenbrugge | Henry | Grosskopf | Frederica | 1874 | 1032495 | 511 | 107 | |||
| Oid | Leonard | Baltz | Rosalia | 1862 | 1032382 | 169 | 168 | |||
| O'Keeffe | Cornelious | King | Mary | 1854 | 1032381 | 319 | 317 | |||
| Okl | Henry | Dietrich | M. C. | 1868 | 1032384 | 1451 | 729 | |||
| Olander | John August | Sorenson | Katrina Maria | 1874 | 1032494 | 1498 | 1501 | |||
| Olbert | Michael | Cassel | Anna Martha | 1861 | 1032382 | 112 | 111 | |||
| Olbert | Jacob | Wetzel | Wilhelmine | 1866 | 1032384 | 87 | 84 | |||
| Oldenberger | Albert | Frenda | Anna | 1872 | 1032493 | 1209 | 1211 | |||
| Oldenburg | Carl | Behrend | Sophie | 1863 | 1032384 | 994 | 268 | |||
| Oldenburg | Joachim Johann Carl | Bernitt | Anna Maria Dor. | 1865 | 1032383 | 1360 | 626 | |||
| Oldenburg | Charles | Burmeister | Wilhelmina | 1873 | 1032494 | 241 | 243 | |||
| Oldenburg | Friedrich | Eser | Christine | 1863 | 1032384 | 985 | 259 | |||
| Oldenburg | Charley | Heiden | Carloine | 1870 | 1032492 | 379 | 378 | |||
| Oldenburg | Augustua | Hopp | Bertha | 1868 | 1032384 | 1467 | 745 | |||
| Oldenburg | William | Klocksin | Caroline | 1872 | 1032493 | 1116 | 1118 | |||
| Oldenburg | Johann Friedrich | Marquardt | Johanna Friedrike Louise | 1872 | 1032493 | 768 | 770 | |||
| Oldenburg | Johann | Nuzmann | Sophia | 1866 | 1032384 | 424 | 422 | |||
| Oldenburg | John | Settgast | Sophia | 1876 | 1032496 | 1155 | 1156 | |||
| Oldmann | Hermann | Zorend | Caroline | 1875 | 1032495 | 1519 | 1115 | |||
| Olds | Clark | Small | Ellen | 1873 | 1032494 | 187 | 189 | |||
| O'Leary | Patrick | Vaughn | Bridget | 1862 | 1032384 | 699 | 701 | |||
| Olenriksen | Anders | Olsen | Emilie Fredrikke Theodora | 1872 | 1032493 | 1007 | 1009 | |||
| Oleson | John | Canutesdaughter | Betsey | 1846 | 1032379 | 448 | 446 | |||
| Oleson | John | Canutesdaughter | Betsey | 1846 | 1032379 | 449 | 447 | |||
| Oleson | John | Canutesdaughter | Betsey | 1846 | 1032379 | 450 | 448 | |||
| Olhoff | Augustus Ferdinand | Leuchtfuss | Emily Caroline | 1869 | 1032385 | 736 | 740 | |||
| Olin | Thomas | Church | Sarah | 1837 | 1032378 | 60 | 59 | |||
| Olin | O. Z. | Church | L. | 1846 | 1032379 | 459 | 457 | |||
| Olin | Orson Z. | Church | Lucy L. | 1846 | 1032379 | 460 | 458 | |||
| Olin | Almon E. | Hudson | Julia M. P. | 1844 | 1032378 | 1103 | 1102 | |||
| Olin | Almon E. | Hudson | Julia M. P. | 1844 | 1032378 | 1104 | 1103 | |||
| Olin | August | Lassanske | Caroline | 1874 | 1032494 | 1316 | 1319 | |||
| Oliver | Joseph Brown | Crocker | Mary Maynard | 1871 | 1032493 | 226 | 228 | |||
| Oliver | Thomas B. | Hale | Isabella Elaise | 1876 | 1032496 | 1473 | 1474 | |||
| Olke | Carl | Gomer | Ernstine | 1875 | 1032495 | 1421 | 1017 | |||
| Ollenburg | Hermann F. W. | Lewin | Johanne | 1875 | 1032496 | 612 | 613 | |||
| Olmsted | John C. | Butter | Louisa H. | 1858 | 1032381 | 903 | 902 | |||
| O'Loughlin | John | Williams | Ann | 1874 | 1032495 | 807 | 403 | |||
| Olover | Royal | Freeman | Mary Jane | 1856 | 1032382 | 1412 | 879 | |||
| Olp | Ludwig Friedrich Eduard | Buth | Auguste Wilhelmine Sophia | 1868 | 1032385 | 114 | 118 | |||
| Olp | Charles | Tuchbreiter | Maria Kunig | 1870 | 1032382 | 518 | 517 | |||
| Olschoch | Michael | Faster | Bertha | 1872 | 1032493 | 1021 | 1023 | |||
| Olsen | Borzer | Andresen | Bertha Karine | 1871 | 1032492 | 1401 | 1398 | |||
| Olsen | Soern | Barber | Rosa Josephine Magdalena | 1868 | 1032384 | 1164 | 441 | |||
| Olsen | Christoffer | Bensen | Pedra | 1864 | 1032383 | 947 | 213 | |||
| Olsen | Hans | Caspersen | Maren Helene | 1869 | 1032385 | 820 | 824 | |||
| Olsen | Jens | Cousins | Mrs. Mary | 1875 | 1032496 | 222 | 223 | |||
| Olsen | Bernt Tobias | Davidsen | Anna Elizabeth | 1875 | 1032495 | 1358 | 954 | |||
| Olsen | Gabriel | Dickson | Margaret | 1853 | 1032381 | 163 | 162 | |||
| Olsen | Herbrand | Gudbrandsen | Lise | 1869 | 1032385 | 1136 | 160 | |||
| Olsen | Ammund | Gunneriusdatter | Caroline | 1873 | 1032494 | 595 | 598 | |||
| Olsen | Andreas | Halvorsen | Karen | 1875 | 1032496 | 487 | 488 | |||
| Olsen | Ole | Hansen | Malene | 1865 | 1032383 | 907 | 173 | |||
| Olsen | Olslag | Jansdatter | Rannau | 1845 | 1032378 | 1391 | 1390 | |||
| Olsen | Aushuck | Jansdatter | Rannau | 1845 | 1032378 | 1392 | 1391 | |||
| Olsen | Ole | Johannesen | Ingebar | 1873 | 1032494 | 1036 | 1039 | |||
| Olsen | Tonnes | Johannesen | Elen Elisabeth | 1875 | 1032496 | 286 | 287 | |||
| Olsen | Ole | Klines | Mrs. Sarah | 1875 | 1032495 | 1513 | 1109 | |||
| Olsen | Ole | Knudsen | Georgine | 1867 | 1032384 | 603 | 604 | |||
| Olsen | Anton Gustaav | Larsen | Anna Matilda | 1866 | 1032384 | 332 | 330 | |||
| Olsen | Jorgen Elias | Larsen | Anine | 1872 | 1032493 | 1006 | 1008 | |||
| Olsen | Niels | Larsen | Mathilde | 1876 | 1032496 | 863 | 864 | |||
| Olsen | Christian | Larson | Annie | 1870 | 1032492 | 186 | 185 | |||
| Olsen | Frederick | Ley | Susan | 1876 | 1032497 | 211 | 216 | |||
| Olsen | John C. | Marse | Ida | 1867 | 1032384 | 591 | 592 | |||
| Olsen | Christen | Mikkelsen | Elise Sofie | 1874 | 1032495 | 664 | 260 | |||
| Olsen | Lars | Nelsen | Hellen | 1863 | 1032383 | 418 | 416 | |||
| Olsen | Peter | Nelsen | Sophia | 1873 | 1032494 | 820 | 823 | |||
| Olsen | Christian | Olsdatter | Anna | 1865 | 1032383 | 948 | 214 | |||
| Olsen | Franz | Olsen | Eliza | 1870 | 1032492 | 734 | 733 | |||
| Olsen | Elias | Olsen | Dina | 1872 | 1032493 | 985 | 987 | |||
| Olsen | Hans | Ornestad | Olara | 1873 | 1032494 | 596 | 599 | |||
| Olsen | Jakob | Persen | Christine | 1874 | 1032495 | 913 | 509 | |||
| Olsen | Christen Andreas Lund | Rasmussen | Alvide | 1867 | 1032384 | 957 | 231 | |||
| Olsen | Gabriel | Seaverson | Margaret | 1853 | 1032381 | 163 | 162 | |||
| Olsen | Hans | Stangeland | Inger | 1876 | 1032496 | 1290 | 1291 | |||
| Olsen | Lars | Tonnesen | Olive | 1873 | 1032494 | 677 | 680 | |||
| Olsen | Lars | Tonnesen | Ollie | 1873 | 1032494 | 1040 | 1043 | |||
| Olson | Olga | Canutesdaughter | Sarah | 1846 | 1032379 | 446 | 444 | |||
| Olson | Oga | Canutesdaughter | Sarah | 1846 | 1032379 | 447 | 445 | |||
| Olson | Knut | Christendater | Catherine | 1853 | 1032382 | 767 | 234 | |||
| Olson | Andrew | Jansdatter | Martha | 1845 | 1032378 | 1395 | 1394 | |||
| Olson | Andrew | Jansdatter | Marthe | 1845 | 1032378 | 1396 | 1395 | |||
| Olson | Carl | Stephenson | Ellenor | 1851 | 1032380 | 895 | 894 | |||
| Oman | Peter | Tak | Susanna | 1876 | 1032496 | 1242 | 1243 | |||
| O'Meara | James | Malone | Bridget | 1876 | 1032496 | 1309 | 1310 | |||
| O'Meara | Patrick | Reck | Louise | 1874 | 1032495 | 103 | 105 | |||
| O'Neil | James | Anustray | Maria | 1873 | 1032494 | 361 | 364 | |||
| O'Neil | James | Connolly | Mrs. Maria | 1873 | 1032494 | 361 | 364 | |||
| O'Neil | Patrick | Doyle | Bridget | 1852 | 1032380 | 1211 | 1210 | |||
| O'Neil | John | Gartland | Mary | 1871 | 1032492 | 1521 | 1518 | |||
| O'Neil | William | Malone | Sarah E. | 1863 | 1032384 | 701 | 703 | |||
| O'Neil | Charles Houston | Martin | Clara Jane | 1872 | 1032493 | 587 | 589 | |||
| O'Neil | Nicholas | Moran | Sarah | 1850 | 1032380 | 670 | 669 | |||
| O'Neil | Nicholos | Moran | Sarah | 1850 | 1032380 | 1299 | 1298 | |||
| O'Neil | William | Reynolds | Mary | 1874 | 1032494 | 1393 | 1396 | |||
| O'Neil | John | Rohan | Mary | 1868 | 1032384 | 1493 | 771 | |||
| O'Neill | Benjamin A. | Alexander | Maite E. | 1875 | 1032495 | 1394 | 990 | |||
| O'Neill | John | Fogerty | Bridget | 1868 | 1032385 | 418 | 422 | |||
| O'Neill | John | Higgins | Mary | 1852 | 1032380 | 1306 | 1305 | |||
| O'Neill | Thomas | Hogan | Alice Eliza | 1875 | 1032495 | 1182 | 778 | |||
| O'Neill | Aaron | Jordan | Mary Jane | 1873 | 1032494 | 419 | 422 | |||
| O'Neill | Christopher | Mulhall | Elizabeth | 1851 | 1032380 | 1139 | 1137 | |||
| Onions | William H. | Hickman | Elizabeth N. | 1873 | 1032494 | 683 | 686 | |||
| Onions | William H. | Hickman | Elizabeth N. | 1873 | 1032494 | 684 | 687 | |||
| O'Olsen | John | Carlsen | Mathilde | 1874 | 1032495 | 137 | 139 | |||
| Opannaus | Charles | Mueller | Margaretha | 1874 | 1032494 | 1388 | 1391 | |||
| Opicki | John | Hamburger | Franzisca | 1869 | 1032385 | 455 | 459 | |||
| Opitz | Rudolph | Hitmann | Caroline | 1874 | 1032495 | 327 | 329 | |||
| Oppel | John Michael | Dehling | Ursula Margaretha | 1872 | 1032493 | 329 | 331 | |||
| Oppenrath | Charles | Wehland | Louisa | 1872 | 1032493 | 382 | 384 | |||
| Oppermann | Wilhelm | Schwerdtfeger | Dorothea | 1875 | 1032496 | 34 | 35 | |||
| Oppermann | Wilhelm | Schwerdtfeger | Dorothea | 1875 | 1032496 | 35 | 36 | |||
| O'Reilly | Patrick J. | Gorry | Ellen | 1867 | 1032384 | 744 | 19 | |||
| O'Reilly | Bernard | Grady | Margaret | 1868 | 1032492 | 289 | 288 | |||
| O'Reilly | John | Wrin | Catherine | 1842 | 1032378 | 669 | 668 | |||
| O'Reily | John | Wrin | Catherine | 1842 | 1032378 | 670 | 669 | |||
| O'Reily | John | Wrin | Catherine | 1842 | 1032378 | 671 | 670 | |||
| O'Reily | John | Wrin | Catherine | 1842 | 1032378 | 672 | 671 | |||
| Orindorff | Alfret | Rathbone | Livonia | 1837 | 1032378 | 72 | 71 | |||
| Orindorff | Alfred | Rathbone | Livonia | 1837 | 1032378 | 73 | 72 | |||
| Orion | Peter L. | Poussard | Margarete | 1855 | 1032381 | 480 | 478 | |||
| Orkler | Wilhelm | Hafner | Helena | 1871 | 1032492 | 1403 | 1400 | |||
| Orlebeke | Peter | Thoollens | Machtalena | 1864 | 1032383 | 610 | 608 | |||
| Orme | Henry | Bauer | Margaret | 1873 | 1032494 | 94 | 96 | |||
| Orme | Thomas | Carr | Marcella | 1869 | 1032385 | 1103 | 127 | |||
| Orme | John | Thomas | Sarah | 1864 | 1032497 | 392 | 397 | |||
| Orme | John | Thomas | Sarah | 1864 | 1032497 | 393 | 398 | |||
| Ormond | William | Powell | Margaret | 1876 | 1032496 | 894 | 895 | |||
| Ormonds | William M. | Kilroe | Anne | 1856 | 1032381 | 651 | 649 | |||
| Ormsby | William E. | Brockhover | Elizabeth | 1872 | 1032493 | 278 | 280 | |||
| Ormsby | Robert | Hadder | Jane | 1870 | 1032492 | 55 | 54 | |||
| Ormsby | James | Schmidt | Ada | 1875 | 1032496 | 567 | 568 | |||
| Ormsley | Robert H. | Keene | Ann | 1849 | 1032380 | 318 | 317 | |||
| O'Rourke | James | Carroll | Bridgit | 1869 | 1032385 | 973 | 955 | |||
| O'Rourke | John | Gilmore | Ann Maria | 1875 | 1032495 | 999 | 595 | |||
| O'Rourke | John | Gilmore | Ann Maria | 1875 | 1032495 | 1000 | 596 | |||
| Orr | Joseph G. | Earls | Emily C. | 1864 | 1032383 | 521 | 519 | |||
| Orschel | Joseph | Franz | Katharina | 1868 | 1032385 | 126 | 130 | |||
| Ort | Nicholas | Sonentag | Crescenz | 1848 | 1032379 | 1293 | 1291 | |||
| Ort | Nicholas | Sonentag | Crostia | 1848 | 1032379 | 1294 | 1292 | |||
| Orth | Carl | Doerfler | Eliza | 1865 | 1032383 | 1102 | 368 | |||
| Orth | Henry W. | Dunlaby | Dealia | 1876 | 1032497 | 240 | 245 | |||
| Orth | George | Lehmann | Lina Regina | 1868 | 1032385 | 175 | 179 | |||
| Orth | Charles | Reinemann | Anna Maria | 1863 | 1032383 | 238 | 236 | |||
| Orth | Danile | Schild | Louise | 1863 | 1032383 | 144 | 142 | |||
| Orth | Daniel | Schilling | Margaret Eliz | 1858 | 1032381 | 833 | 832 | |||
| Orth | Carl Joachim Heinrich | Seifert | Sophia Cartharina | 1874 | 1032495 | 269 | 271 | |||
| Orth | Joseph | Stutzmann | Regina | 1871 | 1032492 | 1074 | 1071 | |||
| Orth | Michael | Wendland | Mary | 1860 | 1032381 | 1157 | 35 | |||
| Ortloff | Carl | Eilmann | Catherine | 1870 | 1032492 | 547 | 546 | |||
| Ortmann | Chs. | Fritsch | Ida | 1874 | 1032495 | 627 | 223 | |||
| Orton | Bramord Joseph | Bates | Amont Melissa | 1876 | 1032496 | 1279 | 1280 | |||
| O'Ryan | Michael | Quinn | Kate | 1873 | 1032494 | 471 | 474 | |||
| Osbern | Tobias | Lawrence | Amanda | 1845 | 1032378 | 1455 | 1454 | |||
| Osborn | Charles | Gould | Sarah J. | 1850 | 1032380 | 645 | 644 | |||
| Osborn | Tobias | Lawrence | Amanda B. | 1845 | 1032378 | 1456 | 1455 | |||
| Osborn | Patrick | Osborn | Mary | 1849 | 1032380 | 307 | 306 | |||
| Osbourn | Hosea | Marsh | Abbie | 1869 | 1032492 | 302 | 301 | |||
| Osburn | Thomas | McClough | Catherine | 1852 | 1032380 | 1488 | 1487 | |||
| Oschlager | August | Nielsen | Anna Marie | 1873 | 1032494 | 990 | 993 | |||
| Osendorff | David | Sayles | Juliana A. | 1840 | 1032378 | 258 | 257 | |||
| Osendorff | David | Sayles | Juliana A. | 1840 | 1032378 | 259 | 258 | |||
| Osenring | Fred G. | Chandler | Hepworth S. | 1875 | 1032496 | 362 | 363 | |||
| Osgood | Charles Esward | Russel | Julia Lucy | 1874 | 1032495 | 921 | 517 | |||
| O'Shea | John | Keating | Bridget Ann | 1867 | 1032384 | 746 | 21 | |||
| O'Shea | John | Lebchuner | Lizzie | 1871 | 1032492 | 1341 | 1338 | |||
| O'Shea | James | Maybie | Mrs. Maria Martha | 1875 | 1032495 | 1218 | 814 | |||
| O'Shea | James | Sweet | Maria Martha | 1875 | 1032495 | 1218 | 814 | |||
| Osterman | Albert | Friedberg | Clara | 1871 | 1032492 | 1412 | 1409 | |||
| Ostrander | William | O'Brien | Mary | 1843 | 1032378 | 822 | 821 | |||
| Ostrander | William | O'Brien | Mary | 1843 | 1032378 | 823 | 822 | |||
| Ostvold | Niels | Jacobsen | Engebar | 1862 | 1032382 | 1466 | 933 | |||
| Ostwaldt | Carl Christian Wilhelm Vollrath | Dornel | Maria Christine Bine | 1869 | 1032385 | 1304 | 328 | |||
| Oswald | Franz | Linhard | Barbara | 1873 | 1032494 | 396 | 399 | |||
| Oswald | Carl Christian Wilhelm Vollrad | Schulz | Caroline Sophia Johana | 1872 | 1032493 | 488 | 490 | |||
| Oswald | Christian | Stauf | Analonia | 1866 | 1032384 | 436 | 434 | |||
| Otjen | Christian S. | McNicle | Anna | 1870 | 1032492 | 31 | 30 | |||
| Ott | Jacob | Braun | Margaretha | 1871 | 1032492 | 1302 | 1299 | |||
| Ott | Heinrich | Felsecker | Francisca | 1872 | 1032493 | 584 | 586 | |||
| Ott | John Conrad | Hartmann | Marie | 1852 | 1032381 | 50 | 49 | |||
| Ott | August | Lindner | Kunigunda | 1860 | 1032381 | 1197 | 75 | |||
| Ott | William | Luther | Wilhelmina | 1872 | 1032494 | 4 | 6 | |||
| Ott | John | McGowen | Catharine | 1875 | 1032496 | 542 | 543 | |||
| Ott | Michael | Platten | Katrina | 1849 | 1032379 | 1514 | 1512 | |||
| Ott | Michael | Platten | Catharina | 1849 | 1032379 | 1514 | 1512 | |||
| Ott | Joseph | Weisensee | Barbara | 1849 | 1032380 | 373 | 372 | |||
| Ott | Nathaniel Elisha | Weld | Mary Melissa | 1876 | 1032496 | 674 | 675 | |||
| Ottaway | John E. | Borhi | Oneida | 1873 | 1032494 | 865 | 868 | |||
| Ottaway | John E. | Nein | Oneida | 1873 | 1032494 | 865 | 868 | |||
| Ottaway | John E. | Tennis | Oneida | 1873 | 1032494 | 865 | 868 | |||
| Otting | Johann Heinrich Friedrich | Eichner | Anna Catharina | 1872 | 1032493 | 1151 | 1153 | |||
| Otting | Johann H. L. | Neumann | Johanna Winine Ernestine | 1868 | 1032384 | 1299 | 577 | |||
| Ottman | Henry | Buchner | Catharine | 1867 | 1032492 | 287 | 286 | |||
| Otto | Gottlieb | Dalchaw | Lena | 1852 | 1032381 | 20 | 19 | |||
| Otto | Louis | Diedrich | Henriette | 1849 | 1032380 | 166 | 165 | |||
| Otto | Carl | Ewald | Emilie Henrietta T. | 1864 | 1032384 | 999 | 274 | |||
| Otto | Gottlieb Ferdinard | Fien | Caroline | 1852 | 1032380 | 1469 | 1468 | |||
| Otto | Hermann | Friese | Martha Elisabeth | 1866 | 1032384 | 172 | 169 | |||
| Otto | Carl August | Helm | Dorothea Louise Sophie | 1851 | 1032380 | 1068 | 1067 | |||
| Otto | Franz | Huge | Anna Clara R. | 1870 | 1032492 | 555 | 554 | |||
| Otto | Carl August | Lawerentz | Hanna Caroline Emilie | 1867 | 1032384 | 816 | 90 | |||
| Otto | Joh. Gottlieb | Lether | Caroline Margareth | 1866 | 1032383 | 1444 | 710 | |||
| Otto | Frank | Litzkow | Wilhelmina | 1872 | 1032493 | 527 | 529 | |||
| Otto | William | Quinn | Ellen Cecily | 1873 | 1032494 | 337 | 340 | |||
| Otto | Sebastian | Repling | Margaretha | 1853 | 1032381 | 155 | 154 | |||
| Otto | Wilhelm Ferdinand | Rombach | Wilhelmina | 1852 | 1032380 | 1201 | 1200 | |||
| Otto | Heinrich | Schmidt | Johanna Eleonora | 1862 | 1032382 | 1213 | 680 | |||
| Otto | Theodor | Stengl | Pauline | 1863 | 1032384 | 984 | 258 | |||
| Otto | Christian | Trau | Eva | 1864 | 1032383 | 525 | 523 | |||
| Otto | John H. | Ziller | Barbara | 1865 | 1032383 | 929 | 195 | |||
| Ottow | Johann | Baeder | Sophia | 1872 | 1032493 | 841 | 843 | |||
| Otzelberger | John | Raith | Margaretha | 1871 | 1032493 | 105 | 107 | |||
| Oulds | William Hoskin | Bensusan | Mrs. Caroline | 1875 | 1032496 | 270 | 271 | |||
| Oulds | William Hoskin | Cocking | Caroline | 1875 | 1032496 | 270 | 271 | |||
| Outreicher | Anton | Wendlandt | Ernestine | 1867 | 1032384 | 568 | 569 | |||
| Overby | John Olsen | Stangland | Ellen Maline | 1875 | 1032495 | 1091 | 687 | |||
| Ovreby | Ole Olsen | Larsen | Martha | 1868 | 1032385 | 119 | 123 | |||
| Owen | James | Dunlavy | Mrs. Margaret | 1863 | 1032384 | 700 | 702 | |||
| Owen | Almond | Glatz | Mrs. Sophie | 1863 | 1032383 | 246 | 244 | |||
| Owen | James | Hall | Margaret | 1863 | 1032384 | 700 | 702 | |||
| Owen | Edward E. | Johns | Mary | 1868 | 1032385 | 314 | 318 | |||
| Owen | Almond | Trinthammer | Sophie | 1863 | 1032383 | 246 | 244 | |||
| Owens | John | Acheson | Mrs. Sarah | 1855 | 1032381 | 668 | 666 | |||
| Owens | Richard | Jones | Catharine | 1846 | 1032379 | 244 | 242 | |||
| Owens | Richard | Jones | Catharine | 1846 | 1032379 | 245 | 243 | |||
| Owens | Richard R. | Jones | Eleanor E. | 1866 | 1032383 | 1481 | 747 | |||
| Owens | Thomas | Kelly | Margaret | 1871 | 1032493 | 57 | 59 | |||
| Owens | Robert J. | Thomas | Marry A. | 1875 | 1032495 | 1121 | 717 | |||
| Owens | William | Willis | Doziah | 1843 | 1032378 | 946 | 945 | |||
| Owens | William | Willis | Doziah | 1843 | 1032378 | 947 | 946 |