Tallest: 1 · Year
By quarter-hour; stoppage time counts as the 45th or 90th minute.
Tallest: 1 · Minute
Republic of Ireland's matches with known line-ups from their first recorded cap to their last.
| With them | 5 | 0 | 4 | 1 | 2 | 3 | 0% |
| Without them | 0 | 0 | 0 | 0 | 0 | 0 | — |
| Adri van Tiggelen | Netherlands | 1 |
| Ahmed El-Kass | Egypt | 1 |
| Ahmed Shobair | Egypt | 1 |
| Aldo Serena | Italy | 1 |
| Berry van Aerle | Netherlands | 1 |
| Bryan Robson | England | 1 |
| Carlo Ancelotti | Italy | 1 |
| Chris Waddle | England | 1 |
| Daniel Timofte | Romania | 1 |
| Dănuț Lupu | Romania | 1 |
Finals and qualifying campaigns alike.
| 28 May 1989 | v Malta | 2–0 | 55′ | — | Extended lead | 2–0 | FIFA World Cup qualification 1989 |
| 14 Oct 1987 | v Bulgaria | 2–0 | 83′ | — | Extended lead | 2–0 | UEFA Euro qualification 1987 |
In a recorded line-up, on the scoresheet or booked. “—” where the line-up isn't known.
| 30 Jun 1990 | v Italy | 0–1 | started | 90 | — | Yellow | FIFA World Cup 1990 · Quarter-final |
| 25 Jun 1990 | v Romania | 0–0 | started | 120 | — | — | FIFA World Cup 1990 · Round of 16 |
| 21 Jun 1990 | v Netherlands | 1–1 | started | 90 | — | — | FIFA World Cup 1990 · Group stage |
| 17 Jun 1990 | v Egypt | 0–0 | started | 90 | — | — | FIFA World Cup 1990 · Group stage |
| 11 Jun 1990 | v England | 1–1 | started | 90 | — | — | FIFA World Cup 1990 · Group stage |
| 28 May 1989 | v Malta | 2–0 | — | — | 1 | — | FIFA World Cup qualification 1989 |
| 14 Oct 1987 | v Bulgaria | 2–0 | — | — | 1 | — | UEFA Euro qualification 1987 |
Caps, goals and cards count what the sources record: line-ups from about 2003 (World Cups from 1970, friendlies from about 2016), and few scorers in older friendlies — so career totals run low.