Fianna Thanks Dianna Hanson for this donated page.This list only contains Roman Catholic parish names in Ireland and is not considered complete. If your parish is not listed, it may be included in another parish. Please consult "Index to Townlands, Parishes, Baronies and Poor Law Unions of Ireland" for more information. The dates given are those for the earliest known baptism records. There may be earlier marriage records available also.
LC = local custody, NLI - National Library of Ireland, NAI - National Archives of Ireland, RCB = Ruling Church Body Library in Dublin,UHF = Ulster Historical Foundation. SLC = Salt Lake City film number available through your local LDS Family History Center.
| Civil Parish | Roman Catholic Parish | Earliest Date Of Records | Location |
| Aghadery | Loughbrickland and Sisgade | 1816 | LC, NLI, UHF |
| Annaclone | Annaclone | . | LC, NLI, UHF |
| Annahilt | Magheradrool | . | . |
| Ardglass | Ardglass, see Dunsfort | . | . |
| Ardkeen | Kircubbin | 1828 | LC, NLI, UHF |
| Ardquin | Ballyphilip | . | . |
| Ballee | Ballee, see Saul | . | . |
| Ballyculter | part Sault, part Kilclief | . | . |
| Ballyhalbert (St. Andrew) | Kircubbin, see Ardkeen | . | . |
| Ballykinler | see Tyrella | . | . |
| Ballyphilip | Ballyphillip and Portaferry | 1843 | LC, NLI, UHF |
| Ballytrustan | Ballyphillip and Portaferry | . | . |
| Ballywalter | Ballygalget | 1828 | LC, NLI, UHF |
| Bangor | see Newtownards | . | . |
| Blaris | . | . | . |
| Bright | Bright, Rossglas, and Killough | 1856 | LC, NLI, UHF |
| Castleboy | see Ardkeen | . | . |
| Clonallan | Clonallon, see Warrenpoint | . | . |
| Clonduff | Clonduff | 1850 | LC, NLI, UHF |
| Comber | see Newtownards | . | . |
| Donaghadee | see Newtownards | . | . |
| Donaghcloney | see Tullylish | . | . |
| Donaghmore | Donaghmore | 1825 | LC, NLI, UHF |
| Down | Downpatrick | 1851 | LC, NLI, UHF |
| Dromara | Dromara, part Ballynahinch, see magheradrool | 1844 | LC, NLI, UHF |
| Dromore | Dromore and Garvaghy | 1821 | LC, NLI, UHF |
| Drumballyroney | see Annaclone | . | . |
| Drumbeg | see Blaris | . | . |
| Drumbo | see Blaris, Lisburn | . | . |
| Drumgath or Drumcath | Rathfryland, Drumgath, and Barnmeen | 1829 | LC, NLI, UHF |
| Drumgooland (1) | Drumggoland Upper (Leitrim) also Drumgoodland Lower | 1827 | LC, NLI, UHF |
| Drumgooland (2) | Drumgooland Lower (Gargory) | 1832 | LC, NLI, UHF |
| Dundonald | Newtownards | . | . |
| Dunsford | Dunsford and Ardglass | 1845 | LC, NLI, UHF |
| Garvaghy | part Dromore, part Annaclone | . | . |
| Grey Abbey | Ballygalget, see Ballywalter | . | . |
| Hillsborough | see Blaris | . | . |
| Holywood | Holywood | 1866 | LC, NLI, UHF |
| Inch | See Kilmore | . | . |
| Inishargy | Kilcubbin, see Ardkeen | . | . |
| Kilbroney | Kilbroney (Rostrevor) | 1808 | LC, NLI, UHF |
| Kilclief | Kilclief and Strangford | 1865 | LC, NLI, UHF |
| Kilcoo (1) | Kilcoo, also Ballymoney | 1832 | LC, NLI, UHF |
| Kilcoo (2) | Ballymoney | 1853 | LC, NLI, UHF |
| Kilkeel (1) | Lower Mourne (Glasdrummond) also Upper Mourne | 1839 | LC, NLI, UHF |
| Kilkeel (2) | Upper Mourne (Kilkeel) | 1839 | LC, NLI, UHF |
| Killaney | see Killinchy | . | . |
| Killinchy | Carrickmannan and Saintfield | 1845 | LC, NLI, UHF |
| Killyleaagh | see Kilmore | . | . |
| Kilmegan (1) | Kilmegan (Castlewellan) also Drumaroad | 1853 | LC, NLI, UHF |
| Kilmegan (2) | Drumaroad and Clannaraghan | 1853 | LC, NLI, UHF |
| Kilmood | see Newtownards | . | . |
| Kimore | Kilmore (Crossgar) | . | . |
| Knockbreda | see Holywood | . | . |
| lambeg | see Blaris | . | . |
| Loughinisland | Loughinisland | 1805 | LC, NLI, UHF |
| Maghera | Bryansford and Newcastle (Maghera) | 1845 | LC, NLI, UHF |
| Magheradrool | Ballynahinch and Dunmore | 1827 | LC, NLI, UHF |
| Magherahamlet | Ballynahinch and Magheradrool | . | . |
| Magheralin | Magheralin, Moira, and Aughalee | 1815 | LC, NLI, UHF |
| Magherally | See Tullylish | . | . |
| Moira | See Magheralin | . | . |
| Mullaghbawn | . | . | . |
| Newry | Newry | 1818 | LC, NLI, UHF |
| Newtownards | Newtownards, Comber, and Donaghadee | 1864 | LC, NLI, UHF |
| Rathmullan | See Bright | . | . |
| St. andrews | Kircubbin, see Ardkeen | . | . |
| Saintfield | Saintfield, see Killinchy | . | . |
| Saul (1) | Saul and Ballee, also Ballyalter | 1868 | LC, NLI, UHF |
| Saul (2) | Ballyculter and Ballee | 1843 | LC, NLI, UHF |
| Seapatrick | Banbridge, part Tullylish | 1843 | LC, NLI, UHF |
| Shankill | see Magheralin | . | . |
| Slanes | see Ballyphilip | . | . |
| Tullylish | Tullylish, see also Dromore | 1833 | LC, NLI, UHF |
| Tullynakill | see Newtownards | . | . |
| Tyrella | Tyrella and Ballykinler | 1854 | LC, NLI, UHF |
| Warrenpoint | Warrenpoint (Clonallon) | 1825 | LC, NLI, UHF |
| Witter | Ballyphilip | . | . |