Why this matters
A local castle; wider significance not recorded.
Overview
Outlined — Killadrown is recorded as Castle — unclassified in Offaly. Killadrown Castle is mentioned in the OS letters as 'An old castle lies in ruins in the west part of Killadrown townland' (O'Flanagan 1933 vol. Today only a short section of the west wall of the castle survives measuring 2.3m in length and standing 1.4m high, the rest of the walls have been removed.
Who built and held it
The saved account records: The 19th century farmhouse and outbuildings located c. 70m to the east of the castle may have been built with stone taken from the castle.
Attack, change and use
The saved account records: Killadrown Castle is mentioned in the OS letters as 'An old castle lies in ruins in the west part of Killadrown townland' (O'Flanagan 1933 vol.
What survives
The saved account records: Today only a short section of the west wall of the castle survives measuring 2.3m in length and standing 1.4m high, the rest of the walls have been removed.
Why it mattered
Outlined — Killadrown matters because the source ties castle — unclassified to this exact landscape and preserves evidence that a bare map name loses. The saved account adds: Sections of the castle walls may be covered by a mound of collapsed rubble which is located on the eastern side of the upstanding wall.
History checked 15 August 2026 against the named sources below.
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