Ambassador Fredrick Boland Presents his credentials to UN Secretary-General Dag Hammerskjold on 15th October, 1956 Ambassador Cornelius Chris Presents his credentials to the UN-Secretary General U Thant on 09th April, 1964 Eamonn L.Kennedy Presents his credentials to UN Secretary-General Kurt Waldheim on 12th April, 1974 Ambassador Paul J.G Keatin Ambassador Noel Dorr Presents his credentials to UN Secretary-General Kurt Waldheim on 16th September, 1980 Ambassador Robert McDonagh Presents his credentials to UN Secretary-General Javier Perez de Cuellar on 09th September, 1983 Ambassador Francis Mahon H Presents his credentials to UN Secretary-General Javier Perez de Cuellar on 14th September, 1989 Ambassador John H.F. Campb Presents his credentials to UN Secretary-General Boutros Boutros-Ghali on 30th August, 1995 Ambassador Richard Ryan Presents his credentials to UN Secretary-General Kofi Annan on 08th September, 1998 Ambassador David Cooney Presents his credentials to UN Secretary-General Kofi Annan on 5th October, 2005 Ambassador Paul Kavanagh Presents his credentials to UN Secretary-General Ban ki-Moon on 25th July, 2007 Ambassador Anne Anderson Presents her credentials to UN Secretary-General Ban ki-Moon on 10th September, 2009 Ambassador David Donoghue Presents his credentials to UN Secretary-General Ban ki-Moon on 13th September, 2013