
Why this matters
Walter fitz Ab fitz Ed. held Castle An Más in 1574. It is remembered as a fragmentary medieval structure, significant for its historical presence in early modern Ireland.
Overview
Castle — An Más is recorded as Castle — tower house in Galway. In existence in 1574 when it was in the possession of 'Walter fitz Ab fitz Ed.' (Nolan 1901b, 118). A poorly preserved ivy-covered tower: only NE wall (L 9.4m) and the returns of SE and NW walls (L c. 4m) survive to a height of three storeys.
Who built and held it
The saved account records: A poorly preserved ivy-covered tower: only NE wall (L 9.4m) and the returns of SE and NW walls (L c. 4m) survive to a height of three storeys.
Attack, change and use
The saved account records: In existence in 1574 when it was in the possession of 'Walter fitz Ab fitz Ed.' (Nolan 1901b, 118).
What survives
The saved account records: Windows consist of rectangular and round-headed slits, a gun loop is visible beneath one in SE wall, and a possible ogee-headed window in NE wall.
Why it mattered
Castle — An Más matters because the source ties castle — tower house to this exact landscape and preserves evidence that a bare map name loses. The saved account adds: A pointed arch doorway in NE wall gives access to a small lobby with the guardroom to N and the shell of the spiral stairs to S.
History checked 15 August 2026 against the named sources below.
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