1850 Census Ward 7
N - O
| 7 | 502 | 566 | John | NIblet | 37 | M | W | Blacksmith | Maryland | |
| 7 | 502 | 566 | Nancy | NIblet | 39 | F | W | Maryland | ||
| 7 | 65 | 73 | Susan | Napp | 9 | F | W | Maryland | ||
| 7 | 65 | 73 | Harriett | Napp | 34 | F | W | Maryland | ||
| 7 | 469 | 528 | Thomas | Nash | 14 | M | W | Maryland | ||
| 7 | 727 | 813 | William | Neely | 40 | M | W | Drayman | Ireland | |
| 7 | 877 | 972 | Joseph | Neil | 46 | M | W | Printer | Maryland | |
| 7 | 877 | 972 | Margaret | Neil | 48 | F | W | Maryland | ||
| 7 | 602 | 676 | Pumelia J. | Nelson | 1 | F | W | Maryland | ||
| 7 | 602 | 676 | Mary A. | Nelson | 3 | F | W | Maryland | ||
| 7 | 602 | 676 | Francis M. | Nelson | 14 | M | W | Maryland | ||
| 7 | 602 | 676 | Andrew J. | Nelson | 21 | M | W | Painter | Maryland | |
| 7 | 602 | 676 | Elizabeth A. | Nelson | 22 | F | W | Maryland | ||
| 7 | 602 | 676 | Elizabeth A. | Nelson | 23 | F | W | Maryland | ||
| 7 | 602 | 676 | Richard J. | Nelson | 25 | M | W | Brick layer | Maryland | |
| 7 | 602 | 676 | Mary A. | Nelson | 55 | F | W | Maryland | ||
| 7 | 711 | 796 | Jasper N. | Nelson | 2 | M | W | Maryland | ||
| 7 | 711 | 796 | Edward Mc. | Nelson | 3 | M | W | Maryland | ||
| 7 | 711 | 796 | Wm. J. | Nelson | 5 | M | W | Maryland | ||
| 7 | 711 | 796 | Lewis W. | Nelson | 7 | M | W | Maryland | ||
| 7 | 711 | 796 | Mary J. | Nelson | 27 | F | W | Maryland | ||
| 7 | 711 | 796 | Wm. E. | Nelson | 34 | M | W | Brick layer | Maryland | |
| 7 | 711 | 796 | Elizabeth A. | Nelson | #### | F | W | Maryland | ||
| 7 | 1028 | 1131 | George W.A. | Nelson | 3 | M | W | Maryland | ||
| 7 | 1028 | 1131 | Mary P. | Nelson | 5 | F | W | Maryland | ||
| 7 | 1028 | 1131 | Joseph E. | Nelson | 7 | M | W | Maryland | ||
| 7 | 1028 | 1131 | Synthia J. | Nelson | 10 | F | W | Maryland | ||
| 7 | 1028 | 1131 | Catherine | Nelson | #### | F | W | Maryland | ||
| 7 | 1028 | 1131 | Catherine | Nelson | 31 | F | W | Maryland | ||
| 7 | 602 | 676 | Joseph | Nelson Jr. | 59 | M | W | None | Ireland | |
| 7 | 1028 | 1131 | Joseph | Nelson Jr. | 33 | M | W | Coachsmith | Maryland | |
| 7 | 809 | 901 | Susanna | Newel | 22 | F | W | Ireland | ||
| 7 | 809 | 901 | Alexander | Newel | 28 | M | W | Teacher | Ireland | |
| 7 | 809 | 901 | May or Mary | Newel | #### | F | W | Maryland | ||
| 7 | 1025 | 1128 | Emma | Newell | 1 | F | W | Maryland | ||
| 7 | 1025 | 1128 | James | Newell | 2 | M | W | Maryland | ||
| 7 | 1025 | 1128 | Charles | Newell | 4 | M | W | Pennsylvania | ||
| 7 | 1025 | 1128 | Caroline A. | Newell | 27 | F | W | Maryland | ||
| 7 | 1025 | 1128 | William | Newell | 28 | M | W | Printer | Pennsylvania | |
| 7 | 889 | 987 | Lewis | Newman | 2 | M | W | Maryland | ||
| 7 | 889 | 987 | Joseph | Newman | 24 | M | W | Secong-hand store | Germany | |
| 7 | 889 | 987 | Hanah | Newman | 26 | F | W | Germany | ||
| 7 | 904 | 1003 | Henry | Newman | 3 | M | W | Maryland | ||
| 7 | 904 | 1003 | Mary | Newman | 8 | F | W | Maryland | ||
| 7 | 904 | 1003 | Casper | Newman | 11 | M | W | Germany | ||
| 7 | 904 | 1003 | John | Newman | #### | M | W | Maryland | ||
| 7 | 904 | 1003 | Margaret | Newman | 33 | F | W | Germany | ||
| 7 | 904 | 1003 | Casper | Newman | 34 | M | W | Cabinet maker | Germany | |
| 7 | 1202 | 1320 | William | Newnam | 1 | M | W | Maryland | ||
| 7 | 1202 | 1320 | John T. | Newnam | 3 | M | W | Maryland | ||
| 7 | 1202 | 1320 | Ann | Newnam | 20 | F | W | Maryland | ||
| 7 | 1202 | 1320 | Timothy | Newnam | 39 | M | W | Labourer | Ireland | |
| 7 | 502 | 566 | John W. | Niblet | 9 | M | W | Maryland | ||
| 7 | 502 | 566 | Mary A. | Niblet | 11 | F | W | Maryland | ||
| 7 | 502 | 566 | Leah | Niblet | 40 | F | W | Maryland | ||
| 7 | 86 | 96 | Sophia | Nice | 27 | F | W | Maryland | ||
| 7 | 86 | 96 | Catherine | Nice | 34 | F | W | Maryland | ||
| 7 | 481 | 542 | Henry | Nichelson | 1 | M | W | Maryland | ||
| 7 | 481 | 542 | Joshua | Nichelson | 5 | M | W | Maryland | ||
| 7 | 481 | 542 | Thomas | Nichelson | 7 | M | W | Maryland | ||
| 7 | 481 | 542 | Emma | Nichelson | 9 | F | W | Maryland | ||
| 7 | 481 | 542 | Mary | Nichelson | 11 | F | W | Maryland | ||
| 7 | 481 | 542 | Mary | Nichelson | 28 | F | W | Maryland | ||
| 7 | 481 | 542 | Henry | Nichelson | 34 | M | W | Baker | Maryland | |
| 7 | 1060 | 1166 | Francis | Nichelson | 5 | M | W | Maryland | ||
| 7 | 1060 | 1166 | Jacob K. | Nichelson | 17 | M | W | Machinist | Maryland | |
| 7 | 1060 | 1166 | Sophie | Nichelson | 24 | F | W | Maryland | ||
| 7 | 1060 | 1166 | Elizabeth A. | Nichelson | #### | F | W | Maryland | ||
| 7 | 1060 | 1166 | Alexander | Nichelson | 38 | M | W | Beacon dealer | Maryland | |
| 7 | 967 | 1069 | Hernena | Nicholas | 47 | F | W | Germany | ||
| 7 | 913 | 1013 | Alice | Nites | 4 | F | W | Maryland | ||
| 7 | 913 | 1013 | Martha | Nites | 24 | F | W | Maryland | ||
| 7 | 913 | 1013 | James | Nites | 29 | M | W | Printer | Maryland | |
| 7 | 633 | 712 | Mary | Nix | 1 | F | W | Maryland | ||
| 7 | 633 | 712 | Dorothea | Nix | 25 | F | W | Germany | ||
| 7 | 633 | 712 | John | Nix | 25 | M | W | Stone cutter | Germany | |
| 7 | 816 | 908 | John H. | Noble | 46 | M | W | Sailor | Maryland | |
| 7 | 691 | 774 | Elizabeth | Norris | 26 | F | W | Pennsylvania | ||
| 7 | 776 | 864 | Walter | Nugent | 9 | M | W | Maryland | ||
| 7 | 776 | 864 | Samuel | Nugent | 11 | M | W | Maryland | ||
| 7 | 776 | 864 | Martha J. | Nugent | 14 | F | W | Maryland | ||
| 7 | 776 | 864 | Sylvester P. | Nugent | 18 | M | W | None | Maryland | |
| 7 | 776 | 864 | Rebecca | Nugent | 22 | F | W | Maryland | ||
| 7 | 776 | 864 | Eliza | Nugent | 44 | F | W | Maryland | ||
| 7 | 776 | 864 | Sylvester | Nugent | 44 | M | W | Engineer | Maryland | |
| 7 | 600 | 674 | Catherine | Nuslein | 20 | F | W | Germany | ||
| 7 | 600 | 674 | John | Nuslein | 25 | M | W | Coachsmith | Germany |
| 7 | 469 | 528 | Thomas | O'Brien | 18 | M | W | Shoemaker | Maryland | |
| 7 | 495 | 556 | Edward | O'Brien | 1 | M | W | Maryland | ||
| 7 | 495 | 556 | John | O'Brien | 5 | M | W | Ireland | ||
| 7 | 495 | 556 | Bridget | O'Brien | 8 | F | W | Ireland | ||
| 7 | 495 | 556 | Mary | O'Brien | 9 | F | W | Ireland | ||
| 7 | 495 | 556 | Edward | O'Brien | 30 | M | W | Laborer | Ireland | |
| 7 | 495 | 556 | Ann C. | O'Brien | 32 | F | W | Ireland | ||
| 7 | 769 | 856 | Sophia T. | O'Brien | 1 | F | W | Maryland | ||
| 7 | 769 | 856 | Catherine H. | O'Brien | 5 | F | W | Maryland | ||
| 7 | 769 | 856 | James | O'Brien | 7 | M | W | Maryland | ||
| 7 | 769 | 856 | Mary A. | O'Brien | 9 | F | W | Maryland | ||
| 7 | 769 | 856 | Thomas | O'Brien | 11 | M | W | Maryland | ||
| 7 | 769 | 856 | William | O'Brien | 14 | M | W | Maryland | ||
| 7 | 769 | 856 | John | O'Brien | 15 | M | W | Maryland | ||
| 7 | 769 | 856 | Ann | O'Brien | 35 | F | W | Ireland | ||
| 7 | 769 | 856 | John | O'Brien | 41 | M | W | Trimming dealer | Ireland | |
| 7 | 13 | 15 | Daniel | O'Connell | 17 | M | W | Spring maker | Ireland | |
| 7 | 13 | 15 | Mary | O'Connell | 19 | F | W | Ireland | ||
| 7 | 13 | 15 | Margaret | O'Connell | 22 | F | W | Ireland | ||
| 7 | 13 | 15 | Henry | O'Connell | 60 | M | W | Laborer | Ireland | |
| 7 | 841 | 934 | James | O'Conner | 13 | M | W | Maryland | ||
| 7 | 841 | 934 | Sarah | O'Conner | 19 | F | W | Maryland | married within year | |
| 7 | 841 | 934 | James | O'Conner | 23 | M | W | Brick layer | Maryland | married within year |
| 7 | 841 | 934 | Susan | O'Conner | 25 | F | W | Virginia | ||
| 7 | 841 | 934 | Daniel | O'Conner | 26 | M | W | Machinist | Maryland | |
| 7 | 841 | 934 | Hugh | O'Conner | 30 | M | W | Sailor | Ireland | |
| 7 | 841 | 934 | John | O'Conner | 32 | M | W | Shoe maker | Ireland | |
| 7 | 841 | 934 | Margaret | O'Conner | 51 | F | W | Ireland | ||
| 7 | 841 | 934 | Daniel | O'Conner | 56 | M | W | Grocer | Ireland | |
| 7 | 13 | 14 | Jane | O'Neil | 30 | F | W | Ireland | ||
| 7 | 13 | 14 | James | O'Neil | 32 | M | W | Bar keeper | Ireland | |
| 7 | 13 | 14 | John F. | O'Neil | #### | M | W | Maryland | ||
| 7 | 879 | 975 | Henry | O'Neil | 9 | M | W | Maryland | ||
| 7 | 879 | 975 | Indiana | O'Neil | 16 | F | W | Maryland | ||
| 7 | 879 | 975 | Charles | O'Neil | 19 | M | W | Maryland | ||
| 7 | 879 | 975 | John | O'Neil | 51 | M | W | Stone mason | Maryland | |
| 7 | 879 | 975 | Esther | O'Neil | 53 | F | W | New York | ||
| 7 | 1262 | 1382 | Ann | O'Neill | 21 | F | W | Attendant at Hosp. | Ireland | Maryland Hospital |
| 7 | 52 | 57 | Martha J. | O'Riley | 55 | F | W | Pennsylvania | ||
| 7 | 979 | 1081 | Michel | O'Shea | 2 | M | W | Ireland | ||
| 7 | 979 | 1081 | Margaret | O'Shea | 5 | F | W | Ireland | ||
| 7 | 979 | 1081 | Mary | O'Shea | 23 | F | W | Ireland | ||
| 7 | 979 | 1081 | David | O'Shea | 25 | M | W | Baker | Ireland | |
| 7 | 1217 | 1336 | Patrick | ONeil | 21 | M | W | Labourer | Ireland | |
| 7 | 1161 | 1279 | Annie E. | Ogier | 1 | F | W | Maryland | ||
| 7 | 1161 | 1279 | Mary E. | Ogier | 3 | F | W | Maryland | ||
| 7 | 1161 | 1279 | Emma | Ogier | 25 | F | W | England | ||
| 7 | 1161 | 1279 | Nicholas | Ogier | 36 | M | W | Gardner | Guernsey | |
| 7 | 1235 | 1354 | Emma S. | Ogier | 2 | F | W | Maryland | ||
| 7 | 1235 | 1354 | Isabella N. | Ogier | 3 | F | W | Maryland | ||
| 7 | 1235 | 1354 | George W. | Ogier | 5 | M | W | Maryland | ||
| 7 | 1235 | 1354 | Andrew M. | Ogier | 7 | M | W | Maryland | ||
| 7 | 1235 | 1354 | Mary J. | Ogier | 9 | F | W | Maryland | ||
| 7 | 1235 | 1354 | John S. | Ogier | 18 | M | W | Gardener | Maryland | |
| 7 | 1235 | 1354 | James H. | Ogier | 20 | M | W | Gardener | Maryland | |
| 7 | 1235 | 1354 | Jane | Ogier | 31 | F | W | Maryland | ||
| 7 | 1235 | 1354 | John | Ogier | 41 | M | W | Gardener | Guernsey | |
| 7 | 444 | 503 | Ellen | Oglary | 14 | F | W | Maryland | ||
| 7 | 625 | 701 | Catherine | Ogle | 28 | F | W | Germany | ||
| 7 | 722 | 807 | John | Ogle | 28 | M | W | Germany | Ogle or Agle | |
| 7 | 1109 | 1221 | Elizabeth | Olive | 2 | F | W | Maryland | ||
| 7 | 1109 | 1221 | Mary J. | Olive | 8 | F | W | Maryland | ||
| 7 | 1109 | 1221 | Mary | Olive | 37 | F | W | Ireland | ||
| 7 | 150 | 173 | Fanny | Oliver | 5 | F | W | Maryland | ||
| 7 | 150 | 173 | Cassandra | Oliver | 7 | F | W | Maryland | ||
| 7 | 150 | 173 | Lucy | Oliver | 10 | F | W | Maryland | ||
| 7 | 150 | 173 | Mary | Oliver | 14 | F | W | Maryland | ||
| 7 | 150 | 173 | Joseph | Oliver | 15 | M | W | Maryland | ||
| 7 | 150 | 173 | John | Oliver | 40 | M | W | Stone cutter | Scotland | |
| 7 | 150 | 173 | Margaret | Oliver | 40 | F | W | Ireland | ||
| 7 | 150 | 173 | Samuel | Oliver | #### | M | W | Maryland | ||
| 7 | 946 | 1047 | Eliza | Oliver | 18 | F | W | Maryland | ||
| 7 | 1212 | 1330 | George | Onbarch | 20 | M | W | Gardner | Germany | |
| 7 | 571 | 640 | Solomon | Oppenheim | 2 | M | W | Maryland | ||
| 7 | 571 | 640 | Rachel | Oppenheim | 22 | F | W | Germany | ||
| 7 | 571 | 640 | Rebeca | Oppenheim | 23 | F | W | Germany | ||
| 7 | 571 | 640 | Ernest | Oppenheim | 27 | M | W | Pedlelr | Germany | |
| 7 | 108 | 123 | Regan | Ort | 56 | F | W | Germany | ||
| 7 | 108 | 123 | Conrad | Ort | 60 | M | W | Laborer | Germany | |
| 7 | 579 | 649 | Catherine | Outh | 36 | F | W | Germany | ||
| 7 | 1235 | 1354 | Barney | Owen | 19 | M | W | Gardener | Ireland | |
| 7 | 1068 | 1174 | Gaither | Owens | 2 | M | W | Maryland | ||
| 7 | 1068 | 1174 | Guin | Owens | 3 | M | W | Maryland | ||
| 7 | 1068 | 1174 | James | Owens | 5 | M | W | Maryland | ||
| 7 | 1068 | 1174 | Catherine | Owens | 26 | F | W | Maryland | ||
| 7 | 1068 | 1174 | James | Owens | 30 | M | W | Carpenter | Maryland |