Select season:
Northern Ireland's youngest players during the 1984 season, and their age in years and days on the occasion of their final appearance, starting or coming on as a substitute.
For each player age is measured in days, and in years and days, from their date of birth to the day of their first appearance.
| Player | Age (Y:d) | Age (days) | Match |
|---|---|---|---|
| Norman Whiteside | 18:136 | 6711 | 21 Sep 1983v Austria |
| Paul Ramsey | 21:17 | 7688 | 21 Sep 1983v Austria |
| Ian Stewart | 22:10 | 8046 | 21 Sep 1983v Austria |
| Nigel Worthington | 22:199 | 8235 | 22 May 1984v Wales |
| John O'Neill | 25:276 | 9408 | 13 Dec 1983v Scotland |
| Mal Donaghy | 26:7 | 9504 | 21 Sep 1983v Austria |
| David McCreery | 26:25 | 9522 | 12 Oct 1983v Turkey |
| Billy Hamilton | 26:134 | 9631 | 21 Sep 1983v Austria |
| Jimmy Nicholl | 26:287 | 9784 | 12 Oct 1983v Turkey |
| Noel Brotherston | 26:327 | 9824 | 12 Oct 1983v Turkey |
| Gerry McElhinney | 27:57 | 9919 | 16 Nov 1983v Germany |
| James Cleary | 27:137 | 9999 | 12 Oct 1983v Turkey |
| John McClelland | 27:288 | 10150 | 21 Sep 1983v Austria |
| Sammy McIlroy | 29:49 | 10642 | 21 Sep 1983v Austria |
| Gerry Armstrong | 29:120 | 10713 | 21 Sep 1983v Austria |
| Terry Cochrane | 30:323 | 11281 | 13 Dec 1983v Scotland |
| Martin O'Neill | 31:203 | 11526 | 21 Sep 1983v Austria |
| Jim Platt | 32:69 | 11757 | 04 Apr 1984v England |
| Chris Nicholl | 36:344 | 13493 | 21 Sep 1983v Austria |
| Pat Jennings | 38:100 | 13980 | 21 Sep 1983v Austria |