
Why this matters
Gillhall Castle in Greenan is believed to have been built by the O'Hagan clan in the 17th century as a defensive structure during the turbulent period following the Plantation of Ulster. It is remembered as an example of early modern Irish castle architecture and as a site associated with local resistance to colonial expansion.
What is recorded here
The official Northern Ireland record identifies this as BAWN?: GILLHALL CASTLE. Recorded period: UNCERTAIN. The official map point was placed at the centre of the recorded archaeological site from the source map reference.
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