Cornelius also known as Conchobar mac Meic Con Caille (Anglicised spelling: 'Conor/Connor; Modern Irish: Conor Mac Conchailleach; died 1175) was Archbishop of Armagh.
An Irishman by birth, he entered the Augustinians at Armagh in 1140, before being made abbot in 1151.
Cornelius died on his return from a pilgrimage from Rome in Chambéry, Savoy, France,[1] in 1175.
Joseph Dixon, Archbishop of Armagh, returning from a trip to Rome, stopped by the shrine in Chambéry and obtained some relics of St. Cornelius/Concord.
He gave a portion of the rib bone to the Presentation Convent in Drogheda and a portion of the thigh bone to the Sacred Heart Convent in Armagh.