| Parish of Tamlaght O'Crilly |
| Key | Townland | County | Division | OS Map Ref |
| 1 | Ballymacpeake Lower | Londonderry | Clady | 33 & 37 |
| 2 | Ballynian | Londonderry | The Grove | 26 & 27 & 32 & 33 |
| 3 | Bovedy | Londonderry | Bovedy | 26 & 27 |
| 4 | Drumagarner | Londonderry | Bovedy | 27 |
| 5 | Drumane | Londonderry | Kilrea | 27 |
| 6 | Drumard | Londonderry | Hervey Hill | 33 |
| 7 | Drumlane | Londonderry | Lislea | 33 |
| 8 | Drumnacanon | Londonderry | Hervey Hill | 33 |
| 9 | Drumoolish | Londonderry | Lislea | 33 |
| 10 | Drumsaragh | Londonderry | Bovedy | 27 |
| 11 | Eden | Londonderry | Clady | 33 & 37 |
| 12 | Glenone | Londonderry | Clady | 33 & 37 |
| 13 | Gortmacrane | Londonderry | Bovedy | 27 |
| 14 | Inishrush | Londonderry | Clady | 33 |
| 15 | Killygullib Glebe | Londonderry | Hervey Hill | 27 & 33 |
| 16 | Killymuck Glebe | Londonderry | Hervey Hill | 33 |
| 17 | Lisgorgan Glebe | Londonderry | Hervey Hill | 32 & 33 |
| 18 | Lismoyle | Londonderry | The Grove | 26 & 27 |
| 19 | Lisnagroat | Londonderry | Lislea | 27 & 33 |
| 20 | Moneysallin | Londonderry | Hervey Hill | 27 & 33 |
| 21 | Moneystaghan-Ellis | Londonderry | Ballynease | 33 & 37 |
| 22 | Moneystaghan- Macpeake | Londonderry | Clady | 33 & 37 |
| 23 | Mullaghnamoyagh | Londonderry | Clady | 33 & 37 |
| 24 | Timaconway | Londonderry | The Grove | 27 & 32 & 33 |
| 25 | Tyanee | Londonderry | Clady | 33 |
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