 O'Donovan Rossa GAC Magherafelt was established on 15 April 1934.The founding members were Pat McFlynn, Pat Keenan, Gerry Gallagher, Paddy Collins, John Walls, John Kearns and Charlie McFlynn.Having recently read Patrick Pearse's graveside oration at Jeremiah O'Donovan Rossa's funeral, Pat McFlynn proposed the idea of naming the club after O'Donovan Rossa.