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Research dossier · Places & Architecture

Rockfleet Castle

tower house near Newport in County Mayo, Ireland

Architectural plans, a scale model, maps and brass measuring instruments
Places and architectureInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 22, 2026
Entity authorityQ2160689 ↗
Source-derived summary

Rockfleet Castle, or Carrickahowley Castle (Irish: Carraig an Chabhlaigh), is a tower house near Newport in County Mayo, Ireland. It was built in the mid-fifteenth century, and is most famously associated with Grace O'Malley, the 'pirate queen' and chieftain of the Clan O’Malley. The castle has been speculated as her place of death. It is also known as Carraigahowley, which means "rock of the fleet".

Rockfleet Castle has four floors and is over eighteen metres in height looking out towards the drumlins of Clew Bay. Though entry to the castle was once available to the public, it is now strictly prohibited for safety reasons. The castle was installed with a metal walkway in 2015, from its adjacent grassland surrounding to its door due to the sheer inconvenience of accessing its entrance during high tides. In 2017, the exterior masonry was pointed.

Editorial summary

Begin with the source’s own compact description: “Rockfleet Castle” is tower house near Newport in County Mayo, Ireland. The dossier treats that line as a proposition to test through Rockfleet, Castle and tower, not as a finished interpretation.

Editorial reviewA valuable geographic starting point for tracing changing names, boundaries, uses and administrative responsibility. The current lead gives the account dated anchors—2015, 2017—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Rockfleet, Castle and tower is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “tower house near Newport in County Mayo, Ireland” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

The strongest evidence will usually combine a dated visual record with documents produced by the authority responsible for the place. The source revision retrieved here is dated Jul 22, 2026. The linked authority identifier is Q2160689. Authority coordinates are 53.897, -9.632. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2015 and 2017.

Critical limits

A single description cannot reconcile every naming convention, rebuilding phase or administrative transfer associated with a place. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.

Best used for
  • Historic place names
  • Jurisdictional context
  • Routes into maps and plans
Verify next

Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.

Three-step research path

  1. Establish the record: confirm the title “Rockfleet Castle”, its source revision and the description used here.
  2. Expand the search: follow Rockfleet Castle primary sources, Rockfleet Castle archive and Rockfleet research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Rockfleet Castle”?
  2. Which earlier names or jurisdictions may reveal additional records?
  3. Which authority defined the place, boundary or structure at the relevant date?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Rockfleet Castle” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.