The following records are available for churches in County Derry. Some are in local custody (LC) and can be requested in writing to the local priest of the church. Others are available through the Genealogical Centre (GC), the National Library of Ireland (NLI), the National Archives of Ireland (NAI), and through the LDS Church in Salt Lake City, Utah, USA - Family History Center (SLC film numbers).
Information below is provided as a courtesy to researchers in Derry by Diana J. Hanson Muir. © 1996-2000.
| Civil Parish | Roman Catholic Parish | Earliest Dates | Location |
| Aghadowey | Coleraine, part Errigal | . | . |
| Aghanloo | Newtown Limavady, see Aghanloo | 1855 | GC |
| Agivey | Coleraine | . | . |
| Ardboe | Ardboe, Co. Tyrone | . | . |
| Artrea | Artrea and Desertlin (Moneymore) | 1830 | GC, LC, NLI |
| Ballinderry | Ballinderry | 1827 | LC, NLI, GC |
| Ballyaghran | Coleraine | 3 | . |
| Ballymoney | See co. Antrim | . | . |
| Ballynascreen | Ballynascreen or Draperstown (see Dungiven for pre 1834 records) | 1825 | LC, Nli, GC |
| Balyrashane | see co. Antrim | . | . |
| Ballyscullion | Bellaghy, also Magherafelt | 1844 | LC, NLI, GC |
| Ballywillin | Coleraine, also County Antrim | . | . |
| Balteagh | Errigal | . | . |
| Banagher | Feeny (or Banagher) | 1848 | LC, NLI, GC |
| Bovevagh | Banagher, part Dungiven | . | . |
| Carrick | Newtown Limavady, see Aghanloo | . | . |
| Clondermot | Glendermot (Waterside) | 1864 | LC, NLI, GC |
| Coleraine | Coleraine | 1848 | LC, NLI, GC |
| Cumber Lower | Glenermot, Clondermot, Cumber | . | . |
| Cumber Upper | Cumber Upper and Learmoutn (Claudy) | 1863 | LC, NLI, GC |
| Derry City | Templemore | . | . |
| Derryloran | Desertcreat, Co. Tyorne | . | . |
| Desertlyn | part Artrea, part Magherafelt | . | . |
| Desertmartin | Desertmartin and Kilcronaghan | 1848 | LC, NLI, GC |
| Desertoghill | Kilrea, also Errigal | . | . |
| Drumachose | Newtown Limavady See Aghanloo | . | . |
| Dunboe | Dunboe, Macosquin and Aghadowey | 1843 | LC, NLI, GC |
| Dungiven | Dungiven, also Ballynascreen | 1848 | LC, NLI, GC |
| Errigal | Errigal | 1846 | LC, NLI, GC |
| Faughanvale | Faughanvale and Lower Cumber (Creggan) | 1860 | LC, NLI, GC |
| formoyle | Magilligan, see Tamlaghtard, also Dunboe | . | . |
| Kilcronaghan | Desertmartin and Kilcronaghan | . | . |
| Kildollagh | Coleraine | . | . |
| Killelagh | Errigal, part Maghera | . | . |
| Killowen | Coleraine | . | . |
| Kilrea | Kilrea and Desertoghill | 1846 | LC, NLI, GC |
| Learmont | Cumber Upper | . | . |
| Lissan | Lissan, Co. tyrone | . | . |
| Londonderry City | Templemore, also Glendermot, Clondermot | . | . |
| Loughermore | Cumber Upper | . | . |
| Mascosquin | Coleraine, Part Dunboe | . | . |
| Maghera | Maghera and Killylough, part Termoneeny | 1841 | LC, NLI, GC |
| Magherafelt | Magherafelt and Artrea | 1834 | LC, NLI, GC |
| Tamlaght | Co. Tyrone | . | . |
| Tamlahtard | Tamlaghtard or magilligan | 1863 | LC, NLI, GC |
| Tamlaght Finlagan | Newtown Limavady and Aghanloo | . | . |
| Tamlaght O'Crilly | Greenlough and part Kilrea | 1845 | LC, NLI, GC |
| Templemore | Templemore (St. Columb's, Long Tower, Derry) | 1823 | LC, NLI, GC |
| Termoneeny | Termoneeny (Lavey) | 1871 | LC, NLI, GC |