[3] During his university GAA matches, he formed a rivalry with UCC's Conor Cox who played county football for Kerry and later joined Smith at Roscommon.
[8] Before the season started, he had fractured a bone in his hand but made a substitute appearance to score the winning point in the final of the 2019 Connacht Senior Football Championship against Mayo.
[9] On 25 October 2017, Smith was named in the Ireland squad for the 2017 International Rules Series against Australia in November following Dublin GAA players declining to take part in the series due to club commitments and rest breaks.
[10][11] Smith has three brothers, Cian and Donie, have played Gaelic football for Roscommon at differing levels.
[13] Smith works as a teacher at St Declan’s College in Dublin, away from Gaelic football.