| Player | Age | Team | Opposition | Ground | Date | Match | |
|---|---|---|---|---|---|---|---|
| G Nepia | 19y 190d | New Zealand | v Ireland | Lansdowne Road | 1 Nov 1924 | Details | |
| AW Ross | 19y 201d | Australia | v NZ XV | Sydney | 13 Jun 1925 | Details | |
| M Piquemal | 19y 317d | France | v Ireland | Colombes | 1 Jan 1927 | Details | |
| WA Everson | 19y ?d | Wales | v Scotland | Murrayfield | 6 Feb 1926 | Details | |
| C Magnanou | 20y 77d | France | v England | Colombes | 2 Apr 1923 | Details | |
| GA Mackay | 20y 83d | Australia | v NZ XV | Sydney | 29 Jul 1926 | Details | |
| KA Sellar | 20y 157d | England | v Wales | Twickenham | 15 Jan 1927 | Details | |
| HT Lilburne | 20y 169d | New Zealand | v South Africa | Cape Town | 1 Sep 1928 | Details | |
| OE Nothling | 20y 328d | Australia | v S Africa XV | Sydney | 25 Jun 1921 | Details | |
| HH Forsayth | 21y 35d | Scotland | v France | Inverleith | 22 Jan 1921 | Details |
| Player | Age | Team | Opposition | Ground | Date | Match | |
|---|---|---|---|---|---|---|---|
| WJ White | 18y 74d | Australia | v NZ XV | Wellington | 5 Sep 1928 | Details | |
| A Domec | 18y 139d | France | v Wales | Cardiff | 23 Feb 1929 | Details | |
| HST Cormac | 18y 270d | Ireland | v England | Twickenham | 12 Feb 1921 | Details | |
| JH Gage | 18y 331d | Ireland | v Scotland | Murrayfield | 27 Feb 1926 | Details | |
| TR Hewitt | 18y 362d | Ireland | v Wales | Cardiff | 8 Mar 1924 | Details | |
| F Vinci III | 19y 18d | Italy | v Spain | Barcelona | 20 May 1929 | Details | |
| W Wallace | 19y 113d | Britain | v South Africa | Durban | 16 Aug 1924 | Details | |
| CHC Brown | 19y 124d | Scotland | v England | Murrayfield | 16 Mar 1929 | Details | |
| JC Morley | 19y 175d | Wales | v England | Twickenham | 19 Jan 1929 | Details | |
| JD Bartlett | 19y 183d | Wales | v Scotland | Cardiff | 5 Feb 1927 | Details |
| Player | Age | Team | Opposition | Ground | Date | Match | |
|---|---|---|---|---|---|---|---|
| GPS MacPherson | 18y 78d | Scotland | v France | Colombes | 2 Jan 1922 | Details | |
| GV Stephenson | 18y 103d | Ireland | v France | Lansdowne Road | 3 Apr 1920 | Details | |
| E Williams | 18y 213d | Wales | v England | Twickenham | 17 Jan 1925 | Details | |
| WG Stewart-Morgan | 19y 62d | Wales | v France | Swansea | 26 Feb 1927 | Details | |
| FS Hewitt | 19y 133d | Ireland | v England | Lansdowne Road | 13 Feb 1926 | Details | |
| R Ramis | 19y 333d | France | v England | Twickenham | 25 Feb 1922 | Details | |
| BC Caldwell | 19y 334d | Australia | v NZ XV | Christchurch | 15 Sep 1928 | Details | |
| TR Hewitt | 19y 339d | Ireland | v England | Twickenham | 14 Feb 1925 | Details | |
| CHT Towers | 19y 345d | Australia | v NZ XV | Sydney | 10 Jul 1926 | Details | |
| MF Nicholls | 20y 31d | New Zealand | v South Africa | Dunedin | 13 Aug 1921 | Details |
| Player | Age | Team | Opposition | Ground | Date | Match | |
|---|---|---|---|---|---|---|---|
| P Vinci IV | 16y 176d | Italy | v Spain | Barcelona | 20 May 1929 | Details | |
| FS Hewitt | 17y 157d | Ireland | v Wales | Cardiff | 8 Mar 1924 | Details | |
| GPS MacPherson | 18y 111d | Scotland | v Wales | Inverleith | 4 Feb 1922 | Details | |
| HCC Laird | 18y 134d | England | v Wales | Twickenham | 15 Jan 1927 | Details | |
| FL Williams | 19y 7d | Wales | v Scotland | Swansea | 2 Feb 1929 | Details | |
| WH Lewis | 19y 122d | Wales | v Ireland | Swansea | 13 Mar 1926 | Details | |
| W Roberts | 19y 334d | Wales | v England | Twickenham | 19 Jan 1929 | Details | |
| WA Cunningham | 19y 352d | Ireland | v Wales | Cardiff | 13 Mar 1920 | Details | |
| YLP du Manoir | 20y 143d | France | v Ireland | Colombes | 1 Jan 1925 | Details | |
| HT Lilburne | 20y 155d | New Zealand | v South Africa | Port Elizabeth | 18 Aug 1928 | Details |
| Player | Age | Team | Opposition | Ground | Date | Match | |
|---|---|---|---|---|---|---|---|
| JAR Selby | 19y 194d | Scotland | v Wales | Inverleith | 7 Feb 1920 | Details | |
| DA John | 19y 325d | Wales | v Ireland | Belfast | 14 Mar 1925 | Details | |
| JB Gardiner | 20y 106d | Ireland | v England | Leicester | 10 Feb 1923 | Details | |
| D Devine | 20y 177d | South Africa | v Britain | Port Elizabeth | 13 Sep 1924 | Details | |
| JP Michau | 20y 325d | South Africa | v New Zealand | Auckland | 27 Aug 1921 | Details | |
| H Whitley | 20y 356d | Britain | v South Africa | Durban | 16 Aug 1924 | Details | |
| WE Bryce | 21y 19d | Scotland | v Wales | Inverleith | 4 Feb 1922 | Details | |
| N Mingay | 21y 27d | Australia | v NZ XV | Sydney | 7 Aug 1920 | Details | |
| WJ Delahay | 21y 141d | Wales | v England | Cardiff | 21 Jan 1922 | Details | |
| PF Murray | 21y 186d | Ireland | v France | Colombes | 1 Jan 1927 | Details |
| Player | Age | Team | Opposition | Ground | Date | Match | |
|---|---|---|---|---|---|---|---|
| WH Cerutti | 19y 121d | Australia | v NZ XV | Wellington | 5 Sep 1928 | Details | |
| DS Parker | 19y 213d | Wales | v Ireland | Cardiff | 8 Mar 1924 | Details | |
| G Coscolla | 20y 70d | France | v Wales | Cardiff | 26 Feb 1921 | Details | |
| AW Courtney | 20y 285d | Ireland | v Scotland | Inverleith | 28 Feb 1920 | Details | |
| AB Erby | 20y 288d | Australia | v NZ Maori | Sydney | 16 Jun 1923 | Details | |
| CKT Faithfull | 21y 34d | England | v Ireland | Belfast | 9 Feb 1924 | Details | |
| RRF MacLennan | 21y 53d | England | v Ireland | Twickenham | 14 Feb 1925 | Details | |
| JJC Bermingham | 21y 116d | Ireland | v England | Twickenham | 12 Feb 1921 | Details | |
| A Skym | 21y 193d | Wales | v England | Swansea | 21 Jan 1928 | Details | |
| R Araou | 21y 199d | France | v Romania | Colombes | 4 May 1924 | Details |
| Player | Age | Team | Opposition | Ground | Date | Match | |
|---|---|---|---|---|---|---|---|
| A Ross | 19y 54d | Scotland | v France | Paris | 1 Jan 1924 | Details | |
| D Browne | 20y 82d | Ireland | v France | Lansdowne Road | 3 Apr 1920 | Details | |
| DS Parker | 20y 113d | Wales | v New Zealand | Swansea | 29 Nov 1924 | Details | |
| WJF Phipps | 20y 221d | Australia | v NZ XV | Dunedin | 8 Sep 1928 | Details | |
| J Gilchrist | 21y 47d | Scotland | v France | Inverleith | 24 Jan 1925 | Details | |
| JCH Ireland | 21y 59d | Scotland | v Wales | Swansea | 7 Feb 1925 | Details | |
| ET Bonis | 21y 278d | Australia | v New Zealand | Sydney | 6 Jul 1929 | Details | |
| JT O'Neil | 21y 337d | USA | v France XV | Antwerp | 5 Sep 1920 | Details | |
| W Gayraud-Hirigoyen | 21y 338d | France | v Ireland | Lansdowne Road | 3 Apr 1920 | Details | |
| WF Browne | 22y 16d | Ireland | v England | Twickenham | 14 Feb 1925 | Details |
| Player | Age | Team | Opposition | Ground | Date | Match | |
|---|---|---|---|---|---|---|---|
| HW Bryant | 18y 340d | Australia | v NZ XV | Auckland | 19 Sep 1925 | Details | |
| JM Bannerman | 19y 143d | Scotland | v France | Inverleith | 22 Jan 1921 | Details | |
| WN Ives | 19y 242d | Australia | v NZ XV | Sydney | 10 Jul 1926 | Details | |
| WE Pratten | 19y 294d | England | v Scotland | Murrayfield | 19 Mar 1927 | Details | |
| RC Herrera | 20y 22d | Wales | v Scotland | Swansea | 7 Feb 1925 | Details | |
| G Coscolla | 20y 35d | France | v Scotland | Inverleith | 22 Jan 1921 | Details | |
| LM Stuart | 20y 90d | Scotland | v France | Inverleith | 20 Jan 1923 | Details | |
| JG Hunter | 20y 337d | USA | v France XV | Antwerp | 5 Sep 1920 | Details | |
| T Arthur | 21y 26d | Wales | v Scotland | Cardiff | 5 Feb 1927 | Details | |
| HJ Jones | 21y 28d | Wales | v England | Twickenham | 19 Jan 1929 | Details |
| Player | Age | Team | Opposition | Ground | Date | Match | |
|---|---|---|---|---|---|---|---|
| EN Greatorex | 19y 146d | Australia | v NZ Maori | Sydney | 25 Jun 1923 | Details | |
| WN Ives | 19y 261d | Australia | v NZ XV | Sydney | 29 Jul 1926 | Details | |
| H Peacock | 19y 354d | Wales | v Scotland | Swansea | 2 Feb 1929 | Details | |
| AJ Rodriguez Jurado | 20y 73d | Argentina | v Britain XV | Buenos Aires | 7 Aug 1927 | Details | |
| JA Ford | 20y 143d | Australia | v NZ XV | Sydney | 10 Jul 1926 | Details | |
| J Boubee | 20y 168d | France | v England | Colombes | 28 Mar 1921 | Details | |
| TA McClelland | 20y 186d | Ireland | v England | Twickenham | 12 Feb 1921 | Details | |
| JM Neill | 20y 227d | Ireland | v France | Belfast | 23 Jan 1926 | Details | |
| GM Murray | 20y 248d | Scotland | v Ireland | Lansdowne Road | 26 Feb 1921 | Details | |
| HL Wrenn | 20y 266d | USA | v France | Colombes | 10 Oct 1920 | Details |
| Player | Age | Team | Opposition | Ground | Date | Match | |
|---|---|---|---|---|---|---|---|
| HW Bryant | 18y 242d | Australia | v NZ XV | Sydney | 13 Jun 1925 | Details | |
| JA Ford | 19y 214d | Australia | v NZ XV | Auckland | 19 Sep 1925 | Details | |
| GR Beamish | 19y 291d | Ireland | v England | Twickenham | 14 Feb 1925 | Details | |
| JF Thompson | 20y 29d | Wales | v England | Twickenham | 20 Jan 1923 | Details | |
| J Boubee | 20y 103d | France | v Scotland | Inverleith | 22 Jan 1921 | Details | |
| WB Welsh | 20y 309d | Scotland | v Australia | Murrayfield | 17 Dec 1927 | Details | |
| WG Thomas | 20y 364d | Wales | v England | Twickenham | 15 Jan 1927 | Details | |
| J Etcheberry | 21y 181d | France | v Wales | Swansea | 24 Feb 1923 | Details | |
| DC Cumming | 21y 223d | England | v Scotland | Murrayfield | 21 Mar 1925 | Details | |
| ME Rosenblum | 21y 249d | Australia | v NZ XV | Christchurch | 15 Sep 1928 | Details |
| Player | Pos | Age | Team | Opposition | Ground | Date | Match | |
|---|---|---|---|---|---|---|---|---|
| OC Crossman | (W) | 19y 214d | Australia | v NZ Maori | Sydney | 16 Jun 1923 | Details | |
| CHT Towers | (C) | 19y 355d | Australia | v NZ XV | Sydney | 20 Jul 1926 | Details | |
| MH Rylance | (W) | 20y 131d | Australia | v NZ XV | Sydney | 29 Jul 1926 | Details | |
| AJA Bowers | (W) | 20y 239d | Australia | v NZ Maori | Sydney | 23 Jun 1923 | Details | |
| SC King | (C) | 21y 130d | Australia | v NZ XV | Sydney | 29 Jul 1926 | Details | |
| RB Loudon | (F) | 21y 154d | Australia | v NZ XV | Dunedin | 25 Aug 1923 | Details | |
| JWP Breckenridge | (F) | 22y 59d | Australia | v NZ XV | Sydney | 20 Jun 1925 | Details | |
| EW Carr | (W) | 22y 86d | Australia | v NZ XV | Christchurch | 3 Sep 1921 | Details | |
| R Burge | (C) | 22y 361d | Australia | v NZ XV | Christchurch | 15 Sep 1928 | Details | |
| JC Stringfellow | (C) | 24y 130d | New Zealand | v Australia | Sydney | 6 Jul 1929 | Details |
Only the player's first appearance listed; Only includes matches where the player starts in the respective position, and excludes matches as a substitute.
| Records include the following current or recent matches: |
|
Australia v New Zealand at Sydney, 3rd Test, Jul 27, 1929 [15-13 FT] |
|
Australia v New Zealand at Brisbane, 2nd Test, Jul 20, 1929 [17-9 FT] |
|
Australia v New Zealand at Sydney, 1st Test, Jul 6, 1929 [9-8 FT] |
