Diocese of Clogher
- Spans parts of five counties in the Republic of Ireland and Northern Ireland. Map of its parishes, and information on its bishop, clergy and other staff, its history, cathedral and teachings.
- http://www.clogherdiocese.ie/

Archdiocese of Armagh
- 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 b
- http://www.armagharchdiocese.org/

Diocese of Portsmouth
- Central southern England, including the Isle of Wight and the Channel Islands. Events, newsletters and detailed information on the diocese.
- http://www.portsmouth-dio.org.uk/

Diocese of Kilmore
- 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.
- http://www.kilmorediocese.ie/