Mary Lou McDonald TD delivers the main oration at the 2015 Sinn Féin Easter Rising Commemoration in Dublin at the GPO, 2015.brI created this video with the YouTube Video Editor (brHundreds of Irish republicans assembled in Mulhuddart graveyard in Dublin 15 on Saturday 25th April 2015 for the 99th anniversary of the 1916 Easter Rising.brHundreds take part in march from GPO Dublin to Arbor Hill Prison Ireland The march makes its way to Arbor Hill Prison Dublin Video by john rooney, .