International honors Irwin represented Great Britain under-21s four times between 1988 and 1990. Irwin won
caps for
Great Britain while at Castleford in 1990 against France, Papua New Guinea, and New Zealand, and in 1990 in the
1989–1992 Rugby League World Cup against New Zealand.
First Division Grand Final appearances Shaun Irwin played at in
Featherstone Rovers' 22-24 defeat by
Wakefield Trinity in the 1998
First Division Grand Final at
McAlpine Stadium,
Huddersfield on 26 September 1998.
County Cup Final appearances Shaun Irwin played at in
Castleford's 11-8 victory over
Wakefield Trinity in the
1990 Yorkshire Cup Final during the
1990–91 season at
Elland Road,
Leeds on Sunday 23 September 1990. ==Outside of Rugby League==