At the end of the 1926–27 season, he and teammate Alec Donald broke their contracts with Flooring and returned to Scotland to sign with Hearts.
[citation needed] On 25 May 1930 at the Polo Grounds, Chatton played for the Nationals in a friendly against Rangers, the reigning Scottish champions.
His teammates while playing for the IFA XI included, among others, Tom Farquharson, Mick O'Brien, Bill Lacey, Elisha Scott and Billy Gillespie.
He helped a team that also included Tom Farquharson, Peter Kavanagh and Paddy Moore, gain a respectable 1–1 draw at the Montjuic Stadium in Barcelona.
On 13 December 1931 at Dalymount Park he then captained the FAI XI in the return game against Spain; this time, however, his team lost 5–0.
He made his third and final appearance for the FAI XI against the Netherlands on 8 April 1934 in a World Cup qualifier which ended in a 5–2 defeat.