| Parish | Posttown | County |
| Ahascrah | Ahascrah | Roscommon |
| Athleague | Athleague | Roscommon |
| Aughrim | Elphin | Roscommon |
| Balinafad | Boyle | Roscommon |
| Ballintubb. | Castlereagh | Roscommon |
| Ballybrogh. | Strokestn. | Roscommon |
| Baslick | Tulsk | Roscommon |
| Bornacoola | Ruskey | Roscommon |
| Boyle | Boyle | Roscommon |
| Creeve | Elphin | Roscommon |
| Croghan & Bannanem. | Boyle | Roscommon |
| Croghan & Bannanem. | Boyle | Roscommon |
| Crosna | Boyle | Roscommon |
| Currayhroe | - | Roscommon |
| Elphin & Flasker | Elphin | Roscommon |
| Elphin & Flasker | Elphin | Roscommon |
| Frenchpark | Frenchpark | Roscommon |
| Gevagh | Boyle | Roscommon |
| Gurteen | Boyle | Roscommon |
| Kilbiguert | Athleague | Roscommon |
| Kilbride | Strokestown | Roscommon |
| Kilbride | Strokestown | Roscommon |
| Kilbride | Strokestown | Roscommon |
| Kilcorky | Frenchpark | Roscommon |
| Kilglass | Strokestn. | Roscommon |
| Kilian & Kilhoran | Mountalbot | Roscommon |
| Kilian & Kilhoran | Mountalbot | Roscommon |
| Kilkivan | Castlereagh | Roscommon |
| Killarnaug. | Boyle | Roscommon |
| Killinunira | Ballintogher | Roscommon |
| Killinunira | Ballintogher | Roscommon |
| Lizanniff | Strokestn. | Roscommon |
| Loughlin | Castlereagh | Roscommon |
| Loughlin | Castlereagh | Roscommon |
| Oran. | Roscomm. | Roscommon |
| Rathmohen & Rathcore | Engfield | Roscommon |
| Roasky | Strokestn. | Roscommon |
| Roscomm | Roscomm. | Roscommon |
| Roscomm | Roscomm. | Roscommon |
| Strokestn | Strokestn. | Roscommon |
| Tershara | Mt. Talbot | Roscommon |
| Trinity | Rosscomm | Roscommon |