 Morison was called up to the England C team, who represent England at non-league level, in November 2006, scoring in a European Challenge Trophy game against the Netherlands in which Morison played both games against Grenada and Barbados respectively, scoring against the former in a 1–1 draw.Morison played a total of eight times for the England C side, scoring three times, before his age meant that he was ineligible to be selected.In May 2010, it was identified that Morison was eligible to represent Wales due to Welsh ancestry – as his grandmother was born in Tredegar, near Ebbw Vale.