Synod of Kells of Dublin and Tuam to archdioceses. The four provinces of Armagh, Cashel, Dublin and Tuam corresponded to the contemporary boundaries of the provinces of Ulster, Munster, Leinster and Connacht respectively. The diocesan structure established by the synod largely survived until the sixteenth century, and still forms the basis of the territorial structure of both the Catholic Church and the Church of Ireland, with many of the sees now merged. Synod of Kells The Synod of Kells took place in AD 1152, under the presidency of His Eminence Giovanni Cardinal Paparoni, and continued the process begun at the Synod of Ráth
Archdeacon of Kells Meath, and the "Rectory of Nobber" was united to this dignity; thus the holder was sometimes called "Rector of Nobber", "Parson of Nobber", or most commonly styled Archdeacon of Nobber. In medieval times, "Kells" is called , with "Nobber" expressed as . Confusingly, the archdeacon of Kells held the "Rectory of Nobber", while the archdeacon of Meath held the "Rectory of Kells". In the High Middle Ages it was the most senior diocesan position below a bishop in the Roman Catholic Church. An archdeacon is often responsible for administration within an archdeaconry, which is the principal subdivision of the diocese.