Straddling the border between the Republic of Ireland and Northern Ireland, this Catholic diocese includes almost all of County Cavan, and parts of Counties Leitrim, Fermanagh, Meath and Sligo. History, list of parishes, map.
The senior diocese and province in the Irish church provides history, details of key figures and bodies, ministries and parishes. Both diocese and province traverse the border between Northern Ireland and the Republic of Ireland. Does not work in some browsers.