| Key | Value |
| access | permissive |
| archaeological_site | fortification |
| building | ruins |
| castle:family | MacGillapatrick |
| castle:family:ga | Mac Giolla Phádraig |
| castle_type | towerhouse |
| height | 27 |
| heritage | 2 |
| heritage:operator | IE:smr |
| historic | castle |
| ref:IE:smr | LA035-022001- |
| ruins | yes |
| ruins:start_date | 1657 |
| source | GPS, Wikipedia;survey |
| start_date | c.1425 |
| wikimedia_commons | Category:Cullahill_Castle |
| wikipedia | en:Cullahill Castle |