Roman Catholic Diocese of Meath Roman Catholic Diocese of Meath The Diocese of Meath () is a Roman Catholic diocese in eastern Ireland. It is one of eight suffragan dioceses which belong to the ecclesiastical province of Armagh. The incumbent ordinary is Thomas Deenihan, who succeeded to the title on 2 September 2018. Meath diocese covers most of counties Meath and Westmeath, part of Offaly along with part of counties Longford, Louth, Dublin and Cavan. The principal towns are Ashbourne, Drogheda, Dunboyne, Laytown-Bettystown-Mornington, Mullingar, Navan and Tullamore. Although there had been abbot-bishops of Clonard since the sixth century, the diocese of Clonard proper was not
County Meath Gaeltacht areas in the province of Leinster, at Ráth Chairn and Baile Ghib. Meath has seven land borders and also a small stretch of coastline stretching from Mornington to Gormanston beach. The counties that Meath border are; Dublin, Westmeath, Louth, Offaly, Kildare, Cavan, and Monaghan. There are eighteen historic baronies in the county. They include the baronies of Morgallion and Ratoath. While baronies continue to be officially defined units, they are no longer used for many administrative purposes. Their official status is illustrated by Placenames Orders made since 2003, where official Irish names of baronies are listed under "Administrative units".