| Parish of Tamlaght Finlagan |
|---|
| Key | Townland | County | Division | OS Map Ref |
|---|
| 1 | Ardnargle | Londonderry | Myroe | 9 |
| 2 | Back | Londonderry | Myroe | 9 |
| 3 | Ballyhenry West | Londonderry | Bellarena | 5 &9 |
| 4 | Ballykeen | Londonderry | Drumraighland | 9 |
| 5 | Ballykelly Level | )Londonderry | Ballykelly | 9 |
| 6 | Ballymacran | Londonderry | Myroe | 9 |
| 7 | Ballyspallan | Londonderry | Ballykelly | 9 |
| 8 | Broglasco | Londonderry | Myroe | 9 |
| 9 | Broharris | Londonderry | Ballykelly | 9 |
| 10 | Broighter | Londonderry | Myroe | 9 |
| 11 | Burnally | Londonderry | Myroe | 9 |
| 12 | Carlaragh | Londonderry | The Highlands | 16 |
| 13 | Carrowclare | Londonderry | Myroe | 5 & 9 |
| 14 | Carrowmenagh | Londonderry | Bellarena | 5 |
| 15 | *Carrowmuddle | Londonderry | Bellarena | 5 |
| 16 | Carrowreagh | Londonderry | Myroe | 5 & 9 |
| 17 | Clagan | Londonderry | The Highlands | 9 & 16 |
| 18 | Corndale Lower | )Londonderry | Myroe | 9 |
| 19 | Crindle | Londonderry | Myroe | 5 & 9 |
| 20 | Culmore Lower | Londonderry | Myroe | 9 |
| 21 | Culmore Upper | Londonderry | The Highlands | 16 |
| 22 | Deer Park | Londonderry | The Highlands | 9 & 16 |
| 23 | Dromore | Londonderry | The Highlands | 9 & 16 |
| 24 | Drumacarney | Londonderry | Ballykelly | 9 & 16 |
| 25 | Drumacony | Londonderry | Drumraighland | 9 |
| 26 | Drumballydonaghy | Londonderry | Myroe | 9 |
| 27 | Drummond | Londonderry | Ballykelly | 9 |
| 28 | Drumraighland | Londonderry | Drumraighland | 16 |
| 29 | Drumrane | Londonderry | The Highlands | 9 & 16 |
| 30 | Dunbrock | Londonderry | Faughanvale | 16 |
| 31 | Farlow | Londonderry | Myroe | 9 |
| 32 | Glack | Londonderry | Drumraighland | 16 & 24 |
| 33 | Glasvey | Londonderry | Drumraighland | 9 |
| 34 | Glebe | Londonderry | Ballykelly | 9 |
| 35 | Lisnakilly | Londonderry | Myroe | 9 |
| 36 | Lomond | Londonderry | Myroe | 9 |
| 37 | Magheramore | Londonderry | Drumraighland | 16 |
| 38 | Moneyrannel | Londonderry | Ballykelly | 9 |
| 39 | Mulkeeragh | Londonderry | Ballykelly | 9 |
| 40 | Mullagh | Londonderry | Ballykelly | 9 |
| 41 | Myroe Level (Intake) | Londonderry | Myroe | 5 & 9 |
| 42 | Ned | Londonderry | Faughanvale | 9 & 16 |
| 43 | Oghill | Londonderry | Drumraighland | 9 & 16 |
| 44 | Rascahan | Londonderry | Ballykelly | 9 |
| 45 | Sesnagh | Londonderry | The Highlands | 9 & 16 |
| 46 | Shanreagh | Londonderry | Ballykelly | 9 |
| 47 | *Sheep Mash | Londonderry | Bellarena | 5 |
| 48 | Sistrakeel | Londonderry | Drumraighland | 9 & 16 |
| 49 | Tamlaght | Londonderry | Ballykelly | 9 & 16 |
| 50 | Tartnakilly | Londonderry | Drumraighland | 9 & 16 |
| 51 | Tully | Londonderry | Ballykelly | 9 |
| 52 | Tullyhoe | Londonderry | Ballykelly | 9 |
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