Most common surnames in Northern Ireland (United Kingdom)
The top 100 family names, ranked by how many people carry them.
| Rank | Surname | Origin & meaning | People |
|---|---|---|---|
| 1 | Campbell | Scottish · “crooked mouth” | 10,944 |
| 2 | Wilson | English · “son of Will” | 10,229 |
| 3 | Kelly | Irish | 9,739 |
| 4 | Johnston | — | 9,619 |
| 5 | Brown | English · “brown-haired or brown-skinned” | 9,483 |
| 6 | Smyth | — | 8,791 |
| 7 | Moore | English/Irish | 8,242 |
| 8 | O'Neill | Irish · “descendant of Niall” | 8,092 |
| 9 | Thompson | English · “son of Thomas” | 8,023 |
| 10 | Stewart | Scottish · “steward” | 7,564 |
| 11 | Murphy | Irish · “sea warrior” | 7,360 |
| 12 | Graham | — | 7,125 |
| 13 | Martín | English/French · “from given name Martin” | 7,021 |
| 14 | Quinn | — | 6,932 |
| 15 | Robinson | English · “son of Robin” | 6,931 |
| 16 | Clarke | English · “clerk or scribe” | 6,842 |
| 17 | Doherty | — | 6,738 |
| 18 | Hamilton | — | 6,505 |
| 19 | Bell | — | 6,494 |
| 20 | Hughes | Welsh/English · “son of Hugh” | 6,445 |
| 21 | Donnelly | — | 6,385 |
| 22 | Murray | Irish/Scottish | 6,071 |
| 23 | McCann | — | 6,018 |
| 24 | Smith | English · “metalworker” | 5,916 |
| 25 | O'Kane | — | 5,879 |
| 26 | McLaughlin | — | 5,734 |
| 27 | Boyd | — | 5,307 |
| 28 | Scott | Scottish · “a Scot” | 5,304 |
| 29 | Armstrong | — | 5,248 |
| 30 | Reid | — | 5,205 |
| 31 | Kennedy | — | 5,151 |
| 32 | Anderson | Scottish/Scandinavian · “son of Andrew” | 5,108 |
| 33 | Burns | — | 4,752 |
| 34 | McKeown | — | 4,689 |
| 35 | Gallagher | — | 4,648 |
| 36 | Kerr | — | 4,645 |
| 37 | McKee | — | 4,639 |
| 38 | Patterson | — | 4,478 |
| 39 | Maguire | — | 4,446 |
| 40 | Magee | — | 4,443 |
| 41 | Allen | English/Scottish · “from given name Alan” | 4,433 |
| 42 | Millar | — | 4,425 |
| 43 | Ferguson | — | 4,348 |
| 44 | McMullan | — | 4,339 |
| 45 | Bradley | — | 4,334 |
| 46 | Crawford | — | 4,248 |
| 47 | Mullan | — | 4,242 |
| 48 | Gibson | — | 4,192 |
| 49 | Devlin | — | 4,175 |
| 50 | Hanna | — | 4,111 |
| 51 | McKenna | — | 4,099 |
| 52 | White | English · “fair-haired or pale” | 4,093 |
| 53 | Cunningham | — | 4,013 |
| 54 | Montgomery | — | 4,002 |
| 55 | Boyle | — | 4,001 |
| 56 | McCullough | — | 3,942 |
| 57 | Morrison | — | 3,896 |
| 58 | Elliott | — | 3,893 |
| 59 | Black | — | 3,879 |
| 60 | Taylor | English · “tailor” | 3,799 |
| 61 | McDowell | — | 3,796 |
| 62 | Hunter | — | 3,723 |
| 63 | Walker | English · “cloth fuller” | 3,714 |
| 64 | Hall | English · “worker at a manor hall” | 3,711 |
| 65 | Connolly | — | 3,656 |
| 66 | Craig | — | 3,647 |
| 67 | Young | English · “the younger” | 3,646 |
| 68 | McBride | — | 3,644 |
| 69 | McConnell | — | 3,620 |
| 70 | McDonald | — | 3,533 |
| 71 | McAllister | — | 3,510 |
| 72 | Duffy | — | 3,433 |
| 73 | Davidson | — | 3,377 |
| 74 | Watson | English/Scottish · “son of Wat (Walter)” | 3,355 |
| 75 | Kane | — | 3,292 |
| 76 | Ohagan | — | 3,280 |
| 77 | Carson | — | 3,279 |
| 78 | Simpson | — | 3,253 |
| 79 | Hill | English · “dweller by a hill” | 3,204 |
| 80 | Henry | — | 3,178 |
| 81 | Irwin | — | 3,134 |
| 82 | Curran | — | 3,107 |
| 83 | Gray | English · “grey-haired” | 3,086 |
| 84 | Gordon | — | 3,082 |
| 85 | Wright | English · “craftsman, builder” | 3,076 |
| 86 | Beattie | — | 3,074 |
| 87 | Mitchell | English · “from given name Michael” | 3,066 |
| 88 | McAuley | — | 3,035 |
| 89 | Wallace | — | 3,020 |
| 90 | McCormick | — | 3,015 |
| 91 | Morrow | — | 2,995 |
| 92 | Morgan | Welsh | 2,994 |
| 93 | Neill | — | 2,990 |
| 94 | Woods | — | 2,967 |
| 95 | Collins | English/Irish | 2,954 |
| 96 | Lynch | Irish | 2,927 |
| 97 | Henderson | — | 2,920 |
| 98 | Holmes | — | 2,901 |
| 99 | Jones | Welsh · “son of John” | 2,870 |
| 100 | Williamson | — | 2,841 |
Source: Forebears (non-official). Rankings are updated when the publisher releases new data.
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