[citation needed] Cahill won his sixth leinster title (fifth consecutive) beating Kildare in the 2009 final.
[citation needed] He was on the victorious Leinster Provincial team in 2005 that defeated Ulster in the Martin Donnelly Inter-Provincial final.
[3] He won the All-Ireland Senior Football Championship in September 2011, when Dublin defeated Kerry at Croke Park.
[5] He is now involved with the coaching of younger age groups in the club including minor football teams.
Barry holds a Finance/Economics degree (2002) and Computer Science Higher Diploma from UCD (2003), as well as an Executive MBA from DCU Business School in 2016.