Viscounts Ikerrin First holder Pierce Butler, 1st viscount Ikerrin Records #5 Holders Family filter On/Off 1 Pierce Butler, 1st viscount Ikerrin 2 Pierce Butler, 2nd viscount Ikerrin * 1637 3 James Butler, 3rd viscount Ikerrin 6 Thomas Butler, 6th viscount Ikerrin Arion Thomas Piers Hamilton Butler, 11th Earl of Carrick * 1975 Corrections and Updates To suggest a correction or an update. Click Here