Rugby Union | 1900s | Youngest appearance

Player	Pos	Age	Team	Opposition	Ground	Date	Match
JH Blackmore	Fwd	17y 62d	Wales	v England	Cardiff	16 Jan 1909	Details
KG Macleod	C	17y 289d	Scotland	v New Zealand	Inverleith	18 Nov 1905	Details
MW Walter	C	18y 51d	Scotland	v Ireland	Lansdowne Road	24 Feb 1906	Details
AB Burge	F	18y 67d	Australia	v New Zealand	Sydney	10 Aug 1907	Details
H Martin	C	18y 129d	France	v England	Richmond	5 Jan 1907	Details
RM Neill	SH	18y 185d	Scotland	v England	Blackheath	9 Mar 1901	Details
FMW Harvey	FH	18y 189d	Ireland	v Wales	Cardiff	9 Mar 1907	Details
JG Milton	Fwd	18y 253d	England	v Wales	Leicester	9 Jan 1904	Details
RS Stronach	Fwd	18y 266d	Scotland	v Wales	Inverleith	9 Feb 1901	Details
M Legrain	L	18y 279d	France	v Ireland	Lansdowne Road	20 Mar 1909	Details
JM MacKenzie	Fwd	19y 32d	Scotland	v New Zealand	Inverleith	18 Nov 1905	Details
LM Macleod	C	18y ?d	Scotland	v Wales	Swansea	6 Feb 1904	Details
JA Loubser	W	19y 37d	South Africa	v Britain	Cape Town	12 Sep 1903	Details
DR Bedell-Sivright	Fwd	19y 50d	Scotland	v Wales	Swansea	27 Jan 1900	Details
M Burgun	C	19y ?d	France	v Ireland	Lansdowne Road	20 Mar 1909	Details
E Wrigley	C	19y 79d	New Zealand	v Australia	Dunedin	2 Sep 1905	Details
GH Marsden	SH	19y 82d	England	v Wales	Gloucester	6 Jan 1900	Details
AW Angus	C	19y 87d	Scotland	v Wales	Inverleith	6 Feb 1909	Details
FC Nicholson	W	19y 102d	Australia	v Britain	Sydney	30 Jul 1904	Details
CE Allen	Fwd	19y 112d	Ireland	v England	Richmond	3 Feb 1900	Details
RW Poulton-Palmer	C	19y 140d	England	v France	Leicester	30 Jan 1909	Details
SC de Melker	C	19y 158d	South Africa	v Britain	Kimberley	5 Sep 1903	Details
JMB Scott	F	19y 161d	Scotland	v England	Blackheath	16 Mar 1907	Details
JB Allison	C	19y 220d	Ireland	v England	Richmond	3 Feb 1900	Details
P Mauriat	P	19y 223d	France	v England	Richmond	5 Jan 1907	Details
SJ Joubert	FB	19y 230d	South Africa	v Ireland	Belfast	24 Nov 1906	Details
AW Duncan	FB	19y 235d	Scotland	v Wales	Inverleith	9 Feb 1901	Details
DG McGregor	C	19y 252d	Scotland	v Wales	Inverleith	2 Feb 1907	Details
JE Raphael	C	19y 256d	England	v Wales	Blackheath	11 Jan 1902	Details
H Martin	W	19y 298d	Scotland	v Wales	Swansea	1 Feb 1908	Details
G Cunningham	HB	19y 315d	Scotland	v Wales	Swansea	1 Feb 1908	Details
PD Waller	Fwd	19y 319d	Wales	v Australia	Cardiff	12 Dec 1908	Details
EJ Ross	Fwd	19y 341d	Scotland	v Wales	Swansea	6 Feb 1904	Details
HA Hodges	P	19y 356d	England	v Wales	Richmond	13 Jan 1906	Details
E de Jouvencel	FB	19y 361d	France	v Wales	Colombes	23 Feb 1909	Details
ED Simson	HB	20y 2d	Scotland	v England	Inverleith	15 Mar 1902	Details
J Pearson	C	20y 3d	Scotland	v Ireland	Inverleith	27 Feb 1909	Details
LAN Slocock	Fwd	20y 11d	England	v France	Richmond	5 Jan 1907	Details
EF Campbell	W	20y 17d	Ireland	v England	Richmond	3 Feb 1900	Details
G McIldowie	Fwd	20y 21d	Ireland	v South Africa	Belfast	24 Nov 1906	Details
HC Harrison	Fwd	20y 22d	England	v Scotland	Richmond	20 Mar 1909	Details
DB Carroll	W	20y 25d	Australia	v Wales	Cardiff	12 Dec 1908	Details
WM Grylls	L	20y 33d	England	v Ireland	Cork	11 Feb 1905	Details
ABHL Purves	W	19y ?d	Scotland	v Wales	Cardiff	3 Feb 1906	Details
PS Hancock	HB	20y 49d	Britain	v South Africa	Johannesburg	26 Aug 1903	Details
WP Scott	Fwd	19y ?d	Scotland	v Ireland	Lansdowne Road	24 Feb 1900	Details
JG Scoular	FB	20y 62d	Scotland	v New Zealand	Inverleith	18 Nov 1905	Details
TG Harpur	Fwd	20y 101d	Ireland	v England	Richmond	8 Feb 1908	Details
JC Pringle	Fwd	20y 106d	Ireland	v Scotland	Belfast	22 Feb 1902	Details

Only the player's first appearance listed

Records include the following current or recent matches:

Ireland v France at Lansdowne Road, Mar 20, 1909 [19-8 FT]

England v Scotland at Richmond, Home Nations, Mar 20, 1909 [8-18 FT]

Wales v Ireland at Swansea, Home Nations, Mar 13, 1909 [18-5 FT]