BoysGirls
| Rank | Name | Births |
|---|---|---|
| 401 | 401Kaiden | 3 |
| 402 | 402Kain | 3 |
| 403 | 403Kajus | 3 |
| 404 | 404Karol | 3 |
| 405 | 405Keelin | 3 |
| 406 | 406Kelvin | 3 |
| 407 | 407Kent | 3 |
| 408 | 408Kieron | 3 |
| 409 | 409Korey | 3 |
| 410 | 410Kurtis | 3 |
| 411 | 411Kye | 3 |
| 412 | 412Lawson | 3 |
| 413 | 413Levi | 3 |
| 414 | 414Louie | 3 |
| 415 | 415Marcel | 3 |
| 416 | 416Marshall | 3 |
| 417 | 417Martynas | 3 |
| 418 | 418Matej | 3 |
| 419 | 419Maxwell | 3 |
| 420 | 420Michal | 3 |
| 421 | 421Mikey | 3 |
| 422 | 422Nathaniel | 3 |
| 423 | 423Neill | 3 |
| 424 | 424Nikodem | 3 |
| 425 | 425Noel | 3 |
| 426 | 426Oskar | 3 |
| 427 | 427Paddy | 3 |
| 428 | 428Paraic | 3 |
| 429 | 429Quinn | 3 |
| 430 | 430Raymond | 3 |
| 431 | 431Regan | 3 |
| 432 | 432Ricky | 3 |
| 433 | 433Rocco | 3 |
| 434 | 434Ruaidhri | 3 |
| 435 | 435Sean-Paul | 3 |
| 436 | 436Shae | 3 |
| 437 | 437Sonny | 3 |
| 438 | 438Stefan | 3 |
| 439 | 439Tobias | 3 |
| 440 | 440Tommy | 3 |
| 441 | 441Tyrese | 3 |
| 442 | 442Wesley | 3 |
| 443 | 443Wojciech | 3 |
| 444 | 444Xander | 3 |
| 445 | 445Zakk | 3 |
Source: Northern Ireland Statistics and Research Agency (NISRA), Baby Names. © Crown copyright. Contains public sector information licensed under the Open Government Licence v3.0. Data years: 1997 to 2025. Coverage: Names given 3 or more times in a year; NISRA records names without accents. Original data · Licence