Player Pos Age Team Opposition Ground Date Match
FS Hewitt FH 17y 157d Ireland v Wales Cardiff 8 Mar 1924 Details
KG MacLeod C 18y 1d Scotland v Wales Cardiff 3 Feb 1906 Details
TWJ Prydie W 18y 25d Wales v Italy Millennium Stadium 20 Mar 2010 Details
AH Bailey C 18y 68d Ireland v Wales Swansea 10 Mar 1934 Details
HB Wright Fwd 18y 88d Scotland v Wales Newport 3 Feb 1894 Details
WMC McEwan Fwd 18y 102d Scotland v Wales Newport 3 Feb 1894 Details
NW Biggs W 18y 119d Wales v Ireland Swansea 2 Mar 1889 Details
A Domec W 18y 139d France v Wales Cardiff 23 Feb 1929 Details
EG Forrest Fwd 18y 148d Ireland v Wales Swansea 2 Mar 1889 Details
W Neilson 3Q 18y 172d Scotland v Wales Swansea 6 Feb 1892 Details
FMW Harvey FH 18y 189d Ireland v Wales Cardiff 9 Mar 1907 Details
L Augras-Fabre W 18y 199d France v Wales Swansea 28 Feb 1931 Details
DH Bowen FB 18y 226d Wales v England Swansea 16 Dec 1882 Details
A Cameron C 18y 228d Scotland v Wales Cardiff 7 Feb 1948 Details
E Williams C 18y 234d Wales v Scotland Swansea 7 Feb 1925 Details
TW Pearson W 18y 238d Wales v England Newport 3 Jan 1891 Details
LM MacLeod C 18y 243d Scotland v Wales Swansea 6 Feb 1904 Details
KC Fyfe W 18y 296d Scotland v Wales Swansea 4 Feb 1933 Details
MC Morrison Fwd 18y 298d Scotland v Wales Cardiff 25 Jan 1896 Details
BL Jones FB 18y 299d Wales v Scotland Swansea 4 Feb 1950 Details
AJFK O'Reilly C 18y 309d Ireland v Wales Cardiff 12 Mar 1955 Details
FM Mills Fwd 18y 325d Wales v Scotland Swansea 6 Feb 1892 Details
KS Jarrett FB 18y 332d Wales v England Cardiff 15 Apr 1967 Details
JN Millar Fwd 18y 334d Scotland v Wales Swansea 6 Feb 1892 Details
W Bancroft FB 18y 336d Wales v Scotland Cardiff 1 Feb 1890 Details
JH Gage W 18y 345d Ireland v Wales Swansea 13 Mar 1926 Details
TR Hewitt W 18y 362d Ireland v Wales Cardiff 8 Mar 1924 Details
MJM Tait C 18y 365d England v Wales Millennium Stadium 5 Feb 2005 Details
AR McKibbin C 19y 2d Ireland v Wales Cardiff 15 Jan 1977 Details
FL Williams FH 19y 7d Wales v Scotland Swansea 2 Feb 1929 Details
M Bergamasco C 19y 7d Italy v Wales Millennium Stadium 2 Mar 2002 Details
H Tanner SH 19y 9d Wales v England Swansea 18 Jan 1936 Details
DPM Lloyd W 19y 27d Wales v Scotland Cardiff 1 Feb 1890 Details
DH Lewis Fwd 19y 36d Wales v Scotland Cardiff 9 Jan 1886 Details
DR Bedell-Sivright Fwd 19y 50d Scotland v Wales Swansea 27 Jan 1900 Details
AC Pedlow C 19y 53d Ireland v Wales Swansea 14 Mar 1953 Details
RE Lockwood 3Q 19y 58d England v Wales Llanelli 8 Jan 1887 Details
EF Campbell W 19y 60d Ireland v Wales Cardiff 18 Mar 1899 Details
WG Stewart-Morgan C 19y 62d Wales v France Swansea 26 Feb 1927 Details
WR Sutherland W 19y 78d Scotland v Wales Cardiff 5 Feb 1910 Details
KLT Jackson FH 19y 79d Scotland v Wales Swansea 4 Feb 1933 Details
GT Campbell 3Q 19y 112d Scotland v Wales Swansea 6 Feb 1892 Details
R Desvouges L 19y 112d France v Wales Swansea 2 Mar 1914 Details
FG Andrews Fwd 19y 119d Wales v Scotland Newport 12 Jan 1884 Details
WH Lewis FH 19y 122d Wales v Ireland Swansea 13 Mar 1926 Details
C Dourthe C 19y 124d France v Wales Cardiff 23 Mar 1968 Details
P Cranmer C 19y 132d England v Wales Cardiff 20 Jan 1934 Details
WF Holms 3Q 19y 135d Scotland v Wales Cardiff 9 Jan 1886 Details
HCC Laird FH 19y 140d England v Wales Swansea 21 Jan 1928 Details
LC Thomas Fwd 19y 150d Wales v England Swansea 3 Jan 1885 Details

Only the player's first appearance listed

Records include the following current or recent matches:
Wales v Ireland at Millennium Stadium, Six Nations, Mar 10, 2017 [22-9 FT]
Wales v England at Millennium Stadium, Six Nations, Feb 11, 2017 [16-21 FT]
Wales v Italy at Millennium Stadium, Six Nations, Mar 19, 2016 [67-14 FT]