BoysGirls
| Rank | Name | Births |
|---|---|---|
| 401 | 401Damian | 3 |
| 402 | 402Danann | 3 |
| 403 | 403Darcy | 3 |
| 404 | 404Dermot | 3 |
| 405 | 405Desmond | 3 |
| 406 | 406Eben | 3 |
| 407 | 407Emmanuel | 3 |
| 408 | 408Enda | 3 |
| 409 | 409Eric | 3 |
| 410 | 410Flynn | 3 |
| 411 | 411Frederick | 3 |
| 412 | 412Garbhan | 3 |
| 413 | 413Glen | 3 |
| 414 | 414Harris | 3 |
| 415 | 415Hunter | 3 |
| 416 | 416Ivan | 3 |
| 417 | 417Jaden | 3 |
| 418 | 418Jaiden | 3 |
| 419 | 419Jamie-Lee | 3 |
| 420 | 420Jerome | 3 |
| 421 | 421Jesse | 3 |
| 422 | 422Joao | 3 |
| 423 | 423John-Joe | 3 |
| 424 | 424Julian | 3 |
| 425 | 425Kalum | 3 |
| 426 | 426Kiernan | 3 |
| 427 | 427Kody | 3 |
| 428 | 428Kristopher | 3 |
| 429 | 429Luis | 3 |
| 430 | 430Maciej | 3 |
| 431 | 431Manus | 3 |
| 432 | 432Mikey | 3 |
| 433 | 433Milo | 3 |
| 434 | 434Naomhan | 3 |
| 435 | 435Oliwier | 3 |
| 436 | 436Pawel | 3 |
| 437 | 437Presley | 3 |
| 438 | 438Preston | 3 |
| 439 | 439Regan | 3 |
| 440 | 440Rioghan | 3 |
| 441 | 441Rocco | 3 |
| 442 | 442Rudy | 3 |
| 443 | 443Shae | 3 |
| 444 | 444Stanislaw | 3 |
| 445 | 445Stiofan | 3 |
| 446 | 446Tighearnan | 3 |
| 447 | 447Tommy | 3 |
| 448 | 448Torin | 3 |
| 449 | 449Turlough | 3 |
| 450 | 450Tye | 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