Select season:
Northern Ireland's youngest players during the 1974 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 |
|---|---|---|---|
| Chris McGrath | 19:163 | 7103 | 11 May 1974v Scotland |
| Sammy McIlroy | 19:282 | 7222 | 11 May 1974v Scotland |
| Martin O'Neill | 21:208 | 7879 | 26 Sep 1973v Bulgaria |
| Trevor Anderson | 22:207 | 8243 | 26 Sep 1973v Bulgaria |
| Tommy Cassidy | 22:312 | 8348 | 26 Sep 1973v Bulgaria |
| Hugh Dowd | 22:364 | 8400 | 18 May 1974v Wales |
| Bertie Lutton | 23:124 | 8525 | 14 Nov 1973v Portugal |
| Pat Rice | 24:193 | 8959 | 26 Sep 1973v Bulgaria |
| Sammy Nelson | 25:39 | 9171 | 11 May 1974v Scotland |
| Liam O'Kane | 25:100 | 9232 | 26 Sep 1973v Bulgaria |
| Robert Coyle | 25:238 | 9370 | 26 Sep 1973v Bulgaria |
| Bryan Hamilton | 26:279 | 9776 | 26 Sep 1973v Bulgaria |
| Sammy Morgan | 26:297 | 9794 | 26 Sep 1973v Bulgaria |
| Tommy Jackson | 26:327 | 9824 | 26 Sep 1973v Bulgaria |
| Allan Hunter | 27:88 | 9950 | 26 Sep 1973v Bulgaria |
| George Best | 27:176 | 10038 | 14 Nov 1973v Portugal |
| David Clements | 28:11 | 10238 | 26 Sep 1973v Bulgaria |
| Pat Jennings | 28:155 | 10382 | 14 Nov 1973v Portugal |
| David Craig | 29:109 | 10702 | 26 Sep 1973v Bulgaria |
| Willie McFaul | 29:360 | 10953 | 26 Sep 1973v Bulgaria |