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 Cavan springs near Bailieborough; the River Annalee which flows from Lough Sillan and joins the Erne; and the Cladagh river which rises from Cuilcagh and flows into Fermanagh. The Glyde and the Owenroe also source in Cavan. Cavan is known as 'The Lakeland County' and is reputed to contain 365 lakes. At , Lough Sheelin is the county's largest lake; it is situated in the south of the county and forms a three way border on its waters between counties Meath, Westmeath and Cavan. A large complex of lakes form in the north and west of Cavan into designated Specially Protected