Select season:
Northern Ireland's youngest players during the 1981 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 |
|---|---|---|---|
| John O'Neill | 22:253 | 8289 | 19 Nov 1980v Portugal |
| David McCreery | 23:29 | 8430 | 15 Oct 1980v Sweden |
| Mal Donaghy | 23:32 | 8433 | 15 Oct 1980v Sweden |
| Billy Hamilton | 23:159 | 8560 | 15 Oct 1980v Sweden |
| Jimmy Nicholl | 23:291 | 8692 | 15 Oct 1980v Sweden |
| Noel Brotherston | 23:331 | 8732 | 15 Oct 1980v Sweden |
| John McClelland | 24:313 | 9079 | 15 Oct 1980v Sweden |
| Sammy McIlroy | 26:74 | 9571 | 15 Oct 1980v Sweden |
| Gerry Armstrong | 26:145 | 9642 | 15 Oct 1980v Sweden |
| Terry Cochrane | 27:265 | 10127 | 15 Oct 1980v Sweden |
| Martin O'Neill | 28:228 | 10455 | 15 Oct 1980v Sweden |
| Jim Platt | 28:263 | 10490 | 15 Oct 1980v Sweden |
| Derek Spence | 29:66 | 10659 | 25 Mar 1981v Scotland |
| Tommy Cassidy | 29:331 | 10924 | 15 Oct 1980v Sweden |
| Sammy Nelson | 31:358 | 11681 | 25 Mar 1981v Scotland |
| Chris Nicholl | 34:3 | 12422 | 15 Oct 1980v Sweden |
| Pat Jennings | 35:286 | 13070 | 25 Mar 1981v Scotland |