| Parish of Killyleagh |
| Key | Townland | County | Division | OS Map Ref |
| 1 | Ardigon | Down | Killyleagh Rural | 23 & 24 |
| 2 | Ballyalgan | Down | Crossgar | 23 |
| 3 | Ballygoskin | Down | Killinchy | 23 & 24 |
| 4 | Ballymacarron | Down | Killinchy | 24 |
| 5 | Ballymacromwell | Down | Killinchy | 24 |
| 6 | Ballytrim | Down | Killyleagh Rural | 24 & 31 |
| 7 | Ballywillin | Down | Crossgar | 23 & 24 |
| 8 | Clay | Down | Killinchy | 24 |
| 9 | Cluntagh | Down | Crossgar | 23 & 24 & 30 & 31 |
| 10 | Commons | Down | Killyleagh Rural | 31 |
| 11 | Corbally | Down | Killyleagh Rural | 31 |
| 12 | Corporation | Down | Killyleagh Urban | 24 & 31 |
| 13 | Derryboy | Down | Crossgar | 23 & 24 |
| 14 | Dodd's Island | Down | Killyleagh Rural | 24 |
| 15 | Dunnyneill Islands | Down | Killyleagh Rural | 24 |
| 16 | Gibb's Island | Down | Killyleagh Rural | 31 |
| 17 | Island Taggart | Down | Killyleagh Rural | 24 |
| 18 | Killinchy in the Woods | Down | Crossgar | 23 & 30 |
| 19 | Kirkland and Toy | Down | Killinchy | 24 |
| 20 | Lisinaw | Down | Killinchy | 23 & 24 |
| 21 | Midge | Down | Killyleagh Rural | 31 |
| 22 | Moymore | Down | Killyleagh Rural | 24 |
| 23 | Mullagh | Down | Killyleagh Rural | 31 |
| 24 | Pawle Island | Down | Killinchy | 24 |
| 25 | Rathcunningham | Down | Killyleagh Rural | 24 |
| 26 | Ringdufferin | Down | Killinchy | 24 |
| 27 | +Simmy Island | Down | Killyleagh Rural | 24 |
| 28 | Toy and Kirkland | Down | Killinchy | 24 |
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