Oliver Plunkett (or Oliver Plunket) (Irish: Oilibhéar Pluincéid), (1 November 1625 – 1 July 1681) was the Catholic Archbishop of Armagh and Primate of All Ireland who was the last victim of the Popish Plot. He was beatified in 1920 and canonised in 1975, thus becoming the first new Irish saint for almost seven hundred years.