| Player | Mat | Start Date | Team | Opposition | End Date | Team | Opposition |
|---|---|---|---|---|---|---|---|
| RR Chambers | 4* | 27 Jan 1951 | Ireland | v France | 10 Mar 1951 | Ireland | v Wales |
| NJ Henderson | 4* | 27 Jan 1951 | Ireland | v France | 10 Mar 1951 | Ireland | v Wales |
| JW Kyle | 4* | 27 Jan 1951 | Ireland | v France | 10 Mar 1951 | Ireland | v Wales |
| JS McCarthy | 4* | 27 Jan 1951 | Ireland | v France | 10 Mar 1951 | Ireland | v Wales |
| JW McKay | 4* | 27 Jan 1951 | Ireland | v France | 10 Mar 1951 | Ireland | v Wales |
| D McKibbin | 4* | 27 Jan 1951 | Ireland | v France | 10 Mar 1951 | Ireland | v Wales |
| KD Mullen | 4* | 27 Jan 1951 | Ireland | v France | 10 Mar 1951 | Ireland | v Wales |
| DJ O'Brien | 4* | 27 Jan 1951 | Ireland | v France | 10 Mar 1951 | Ireland | v Wales |
| JA O'Meara | 4* | 27 Jan 1951 | Ireland | v France | 10 Mar 1951 | Ireland | v Wales |
| JH Smith | 4* | 27 Jan 1951 | Ireland | v France | 10 Mar 1951 | Ireland | v Wales |
| GW Norton | 3* | 27 Jan 1951 | Ireland | v France | 24 Feb 1951 | Ireland | v Scotland |
| MF Lane | 3* | 27 Jan 1951 | Ireland | v France | 10 Mar 1951 | Ireland | v Wales |
| WHJ Millar | 3* | 10 Feb 1951 | Ireland | v England | 10 Mar 1951 | Ireland | v Wales |
| JE Nelson | 3* | 27 Jan 1951 | Ireland | v France | 10 Mar 1951 | Ireland | v Wales |
| A Alvarez | 3* | 13 Jan 1951 | France | v Scotland | 7 Apr 1951 | France | v Wales |
| G Brun | 3* | 13 Jan 1951 | France | v Scotland | 7 Apr 1951 | France | v Wales |
| AD Porthault | 3* | 13 Jan 1951 | France | v Scotland | 7 Apr 1951 | France | v Wales |
| J Prat | 3* | 13 Jan 1951 | France | v Scotland | 7 Apr 1951 | France | v Wales |
| JT Clifford | 2* | 27 Jan 1951 | Ireland | v France | 10 Feb 1951 | Ireland | v England |
| CS Griffin | 2* | 27 Jan 1951 | Ireland | v France | 10 Feb 1951 | Ireland | v England |
| JR Brady | 2* | 24 Feb 1951 | Ireland | v Scotland | 10 Mar 1951 | Ireland | v Wales |
| R Arcalis | 2* | 24 Feb 1951 | France | v England | 7 Apr 1951 | France | v Wales |
| G Basquet | 2* | 24 Feb 1951 | France | v England | 7 Apr 1951 | France | v Wales |
| G Belletante | 2* | 24 Feb 1951 | France | v England | 7 Apr 1951 | France | v Wales |
| R Bernard | 2* | 24 Feb 1951 | France | v England | 7 Apr 1951 | France | v Wales |
| P Bertrand | 2* | 24 Feb 1951 | France | v England | 7 Apr 1951 | France | v Wales |
| R Bienes | 2* | 24 Feb 1951 | France | v England | 7 Apr 1951 | France | v Wales |
| G Dufau | 2* | 24 Feb 1951 | France | v England | 7 Apr 1951 | France | v Wales |
| H Foures | 2* | 24 Feb 1951 | France | v England | 7 Apr 1951 | France | v Wales |
| L Mias | 2* | 24 Feb 1951 | France | v England | 7 Apr 1951 | France | v Wales |
| P Pascalin | 2* | 24 Feb 1951 | France | v England | 7 Apr 1951 | France | v Wales |
| M Pomathios | 2* | 24 Feb 1951 | France | v England | 7 Apr 1951 | France | v Wales |
* indicates that the sequence is ongoing/unbroken
| Records include the following current or recent matches: |
|
France v Wales at Colombes, Five Nations, Apr 7, 1951 [8-3 FT] |
|
England v Scotland at Twickenham, Five Nations, Mar 17, 1951 [5-3 FT] |
|
Wales v Ireland at Cardiff, Five Nations, Mar 10, 1951 [3-3 FT] |
